/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis FINITE_AUTOMATA --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 22:31:19,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 22:31:19,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 22:31:19,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 22:31:19,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 22:31:19,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 22:31:19,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 22:31:19,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 22:31:19,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 22:31:19,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 22:31:19,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 22:31:19,642 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 22:31:19,643 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 22:31:19,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:31:19,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 22:31:19,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 22:31:19,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:31:19,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 22:31:19,645 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> FINITE_AUTOMATA Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-13 22:31:19,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 22:31:19,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 22:31:19,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 22:31:19,854 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 22:31:19,856 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 22:31:19,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2025-04-13 22:31:21,140 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a912cd77/19ef74fbbe87415287a358b933865833/FLAG627f4d29a [2025-04-13 22:31:21,343 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 22:31:21,344 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2025-04-13 22:31:21,352 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a912cd77/19ef74fbbe87415287a358b933865833/FLAG627f4d29a [2025-04-13 22:31:22,189 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a912cd77/19ef74fbbe87415287a358b933865833 [2025-04-13 22:31:22,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 22:31:22,192 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 22:31:22,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 22:31:22,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 22:31:22,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 22:31:22,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353daa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22, skipping insertion in model container [2025-04-13 22:31:22,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 22:31:22,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[3418,3431] [2025-04-13 22:31:22,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 22:31:22,412 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 22:31:22,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[3418,3431] [2025-04-13 22:31:22,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 22:31:22,461 INFO L204 MainTranslator]: Completed translation [2025-04-13 22:31:22,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22 WrapperNode [2025-04-13 22:31:22,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 22:31:22,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 22:31:22,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 22:31:22,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 22:31:22,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,500 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 210 [2025-04-13 22:31:22,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 22:31:22,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 22:31:22,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 22:31:22,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 22:31:22,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,532 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-04-13 22:31:22,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 22:31:22,556 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-13 22:31:22,556 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-13 22:31:22,556 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-13 22:31:22,557 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (1/1) ... [2025-04-13 22:31:22,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:31:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 22:31:22,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-13 22:31:22,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-13 22:31:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 22:31:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 22:31:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 22:31:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 22:31:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 22:31:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-13 22:31:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-13 22:31:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-13 22:31:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-13 22:31:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 22:31:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-13 22:31:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-13 22:31:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-13 22:31:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-13 22:31:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 22:31:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 22:31:22,601 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 22:31:22,682 INFO L256 CfgBuilder]: Building ICFG [2025-04-13 22:31:22,683 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 22:31:22,895 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 22:31:22,895 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 22:31:22,895 INFO L318 CfgBuilder]: Performing block encoding [2025-04-13 22:31:23,039 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 22:31:23,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 10:31:23 BoogieIcfgContainer [2025-04-13 22:31:23,040 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-13 22:31:23,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 22:31:23,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 22:31:23,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 22:31:23,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 10:31:22" (1/3) ... [2025-04-13 22:31:23,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9bee29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 10:31:23, skipping insertion in model container [2025-04-13 22:31:23,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:22" (2/3) ... [2025-04-13 22:31:23,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9bee29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 10:31:23, skipping insertion in model container [2025-04-13 22:31:23,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 10:31:23" (3/3) ... [2025-04-13 22:31:23,046 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2025-04-13 22:31:23,056 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 22:31:23,057 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier.wvr.c that has 7 procedures, 72 locations, 65 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-13 22:31:23,057 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 22:31:23,123 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-13 22:31:23,145 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 81 transitions, 228 flow [2025-04-13 22:31:24,330 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 30647 states, 30646 states have (on average 4.835149774848268) internal successors, (148178), 30646 states have internal predecessors, (148178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:24,354 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 22:31:24,419 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b919da6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 22:31:24,420 INFO L341 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-04-13 22:31:24,482 INFO L278 IsEmpty]: Start isEmpty. Operand has 30647 states, 30646 states have (on average 4.835149774848268) internal successors, (148178), 30646 states have internal predecessors, (148178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:24,660 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:24,660 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:24,661 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:24,661 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:24,665 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash -3354066, now seen corresponding path program 1 times [2025-04-13 22:31:24,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:24,670 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713010828] [2025-04-13 22:31:24,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 22:31:24,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:24,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:24,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:24,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:24,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:25,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:25,028 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713010828] [2025-04-13 22:31:25,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713010828] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:25,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:25,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 22:31:25,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858763702] [2025-04-13 22:31:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:25,033 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 22:31:25,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:25,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 22:31:25,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:25,108 INFO L87 Difference]: Start difference. First operand has 30647 states, 30646 states have (on average 4.835149774848268) internal successors, (148178), 30646 states have internal predecessors, (148178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:25,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:25,669 INFO L93 Difference]: Finished difference Result 38212 states and 183281 transitions. [2025-04-13 22:31:25,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 22:31:25,671 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:25,671 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:26,106 INFO L225 Difference]: With dead ends: 38212 [2025-04-13 22:31:26,111 INFO L226 Difference]: Without dead ends: 23951 [2025-04-13 22:31:26,154 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:26,156 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:26,157 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23951 states. [2025-04-13 22:31:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23951 to 23951. [2025-04-13 22:31:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23951 states, 23950 states have (on average 4.758371607515658) internal successors, (113963), 23950 states have internal predecessors, (113963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23951 states to 23951 states and 113963 transitions. [2025-04-13 22:31:27,362 INFO L79 Accepts]: Start accepts. Automaton has 23951 states and 113963 transitions. Word has length 64 [2025-04-13 22:31:27,362 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:27,363 INFO L485 AbstractCegarLoop]: Abstraction has 23951 states and 113963 transitions. [2025-04-13 22:31:27,363 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,364 INFO L278 IsEmpty]: Start isEmpty. Operand 23951 states and 113963 transitions. [2025-04-13 22:31:27,466 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:27,466 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:27,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:27,466 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 22:31:27,467 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:27,467 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:27,467 INFO L85 PathProgramCache]: Analyzing trace with hash -206457764, now seen corresponding path program 2 times [2025-04-13 22:31:27,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:27,467 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645765605] [2025-04-13 22:31:27,468 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:31:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:27,490 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:27,513 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:27,513 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:31:27,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:27,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:27,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645765605] [2025-04-13 22:31:27,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645765605] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:27,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:27,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 22:31:27,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176265817] [2025-04-13 22:31:27,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:27,782 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 22:31:27,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:27,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 22:31:27,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:27,783 INFO L87 Difference]: Start difference. First operand 23951 states and 113963 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:28,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:28,186 INFO L93 Difference]: Finished difference Result 29743 states and 140575 transitions. [2025-04-13 22:31:28,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 22:31:28,186 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:28,186 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:28,289 INFO L225 Difference]: With dead ends: 29743 [2025-04-13 22:31:28,289 INFO L226 Difference]: Without dead ends: 18740 [2025-04-13 22:31:28,311 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:28,311 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:28,312 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18740 states. [2025-04-13 22:31:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18740 to 18740. [2025-04-13 22:31:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18740 states, 18739 states have (on average 4.679972250386894) internal successors, (87698), 18739 states have internal predecessors, (87698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18740 states to 18740 states and 87698 transitions. [2025-04-13 22:31:29,167 INFO L79 Accepts]: Start accepts. Automaton has 18740 states and 87698 transitions. Word has length 64 [2025-04-13 22:31:29,170 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:29,170 INFO L485 AbstractCegarLoop]: Abstraction has 18740 states and 87698 transitions. [2025-04-13 22:31:29,170 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:29,170 INFO L278 IsEmpty]: Start isEmpty. Operand 18740 states and 87698 transitions. [2025-04-13 22:31:29,222 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:29,222 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:29,222 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:29,222 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 22:31:29,222 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:29,228 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:29,228 INFO L85 PathProgramCache]: Analyzing trace with hash -57762478, now seen corresponding path program 3 times [2025-04-13 22:31:29,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:29,228 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668278500] [2025-04-13 22:31:29,228 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:31:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:29,243 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:29,270 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:29,271 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:31:29,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:30,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:30,017 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668278500] [2025-04-13 22:31:30,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668278500] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:30,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:30,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:31:30,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166479471] [2025-04-13 22:31:30,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:30,017 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:31:30,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:30,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:31:30,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:31:30,018 INFO L87 Difference]: Start difference. First operand 18740 states and 87698 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:32,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:32,481 INFO L93 Difference]: Finished difference Result 23381 states and 108602 transitions. [2025-04-13 22:31:32,481 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-13 22:31:32,482 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:32,482 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:32,612 INFO L225 Difference]: With dead ends: 23381 [2025-04-13 22:31:32,612 INFO L226 Difference]: Without dead ends: 22779 [2025-04-13 22:31:32,623 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2025-04-13 22:31:32,624 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 512 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4716 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:32,624 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 0 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4716 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:31:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22779 states. [2025-04-13 22:31:33,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22779 to 19950. [2025-04-13 22:31:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19950 states, 19949 states have (on average 4.645646398315705) internal successors, (92676), 19949 states have internal predecessors, (92676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19950 states to 19950 states and 92676 transitions. [2025-04-13 22:31:33,311 INFO L79 Accepts]: Start accepts. Automaton has 19950 states and 92676 transitions. Word has length 64 [2025-04-13 22:31:33,312 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:33,312 INFO L485 AbstractCegarLoop]: Abstraction has 19950 states and 92676 transitions. [2025-04-13 22:31:33,312 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:33,312 INFO L278 IsEmpty]: Start isEmpty. Operand 19950 states and 92676 transitions. [2025-04-13 22:31:33,352 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:33,352 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:33,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:33,352 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-13 22:31:33,352 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:33,353 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:33,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1124468482, now seen corresponding path program 4 times [2025-04-13 22:31:33,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:33,353 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568183519] [2025-04-13 22:31:33,353 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:31:33,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:33,364 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:31:33,382 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:33,382 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:31:33,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:34,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:34,111 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568183519] [2025-04-13 22:31:34,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568183519] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:34,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:34,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:31:34,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242780444] [2025-04-13 22:31:34,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:34,112 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:31:34,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:34,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:31:34,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:31:34,112 INFO L87 Difference]: Start difference. First operand 19950 states and 92676 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:36,147 INFO L93 Difference]: Finished difference Result 23696 states and 109907 transitions. [2025-04-13 22:31:36,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:31:36,148 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:36,148 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:36,266 INFO L225 Difference]: With dead ends: 23696 [2025-04-13 22:31:36,266 INFO L226 Difference]: Without dead ends: 23019 [2025-04-13 22:31:36,275 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=1402, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:31:36,277 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5045 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:36,278 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 0 Invalid, 5049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5045 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:31:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23019 states. [2025-04-13 22:31:36,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23019 to 19850. [2025-04-13 22:31:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19850 states, 19849 states have (on average 4.645775605823971) internal successors, (92214), 19849 states have internal predecessors, (92214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19850 states to 19850 states and 92214 transitions. [2025-04-13 22:31:36,779 INFO L79 Accepts]: Start accepts. Automaton has 19850 states and 92214 transitions. Word has length 64 [2025-04-13 22:31:36,779 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:36,779 INFO L485 AbstractCegarLoop]: Abstraction has 19850 states and 92214 transitions. [2025-04-13 22:31:36,779 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:36,779 INFO L278 IsEmpty]: Start isEmpty. Operand 19850 states and 92214 transitions. [2025-04-13 22:31:36,828 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:36,828 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:36,828 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:36,828 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-13 22:31:36,828 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:36,829 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:36,829 INFO L85 PathProgramCache]: Analyzing trace with hash 900592548, now seen corresponding path program 5 times [2025-04-13 22:31:36,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:36,829 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045952338] [2025-04-13 22:31:36,829 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:31:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:36,837 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:36,846 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:36,846 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:31:36,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:37,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:37,250 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045952338] [2025-04-13 22:31:37,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045952338] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:37,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:37,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:31:37,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091004401] [2025-04-13 22:31:37,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:37,251 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:31:37,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:37,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:31:37,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:31:37,251 INFO L87 Difference]: Start difference. First operand 19850 states and 92214 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:39,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:39,103 INFO L93 Difference]: Finished difference Result 22026 states and 102288 transitions. [2025-04-13 22:31:39,103 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-13 22:31:39,103 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:39,103 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:39,215 INFO L225 Difference]: With dead ends: 22026 [2025-04-13 22:31:39,215 INFO L226 Difference]: Without dead ends: 20774 [2025-04-13 22:31:39,226 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=1329, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:31:39,227 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 569 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4753 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:39,227 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 0 Invalid, 4758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4753 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:31:39,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20774 states. [2025-04-13 22:31:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20774 to 19350. [2025-04-13 22:31:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19350 states, 19349 states have (on average 4.659362240942684) internal successors, (90154), 19349 states have internal predecessors, (90154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19350 states to 19350 states and 90154 transitions. [2025-04-13 22:31:39,911 INFO L79 Accepts]: Start accepts. Automaton has 19350 states and 90154 transitions. Word has length 64 [2025-04-13 22:31:39,911 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:39,911 INFO L485 AbstractCegarLoop]: Abstraction has 19350 states and 90154 transitions. [2025-04-13 22:31:39,911 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:39,911 INFO L278 IsEmpty]: Start isEmpty. Operand 19350 states and 90154 transitions. [2025-04-13 22:31:39,951 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:39,952 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:39,954 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:39,954 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-13 22:31:39,954 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:39,954 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:39,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1066343298, now seen corresponding path program 6 times [2025-04-13 22:31:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:39,955 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47877532] [2025-04-13 22:31:39,955 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:31:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:39,962 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:39,967 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:39,967 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:31:39,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:40,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:40,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47877532] [2025-04-13 22:31:40,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47877532] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:40,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:40,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:40,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9095180] [2025-04-13 22:31:40,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:40,316 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:40,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:40,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:40,316 INFO L87 Difference]: Start difference. First operand 19350 states and 90154 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:42,303 INFO L93 Difference]: Finished difference Result 23581 states and 109526 transitions. [2025-04-13 22:31:42,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:31:42,303 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:42,303 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:42,422 INFO L225 Difference]: With dead ends: 23581 [2025-04-13 22:31:42,422 INFO L226 Difference]: Without dead ends: 22979 [2025-04-13 22:31:42,431 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=1477, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:31:42,432 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 594 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5169 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:42,432 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 0 Invalid, 5176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5169 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:31:42,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22979 states. [2025-04-13 22:31:42,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22979 to 19800. [2025-04-13 22:31:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19800 states, 19799 states have (on average 4.648366079094904) internal successors, (92033), 19799 states have internal predecessors, (92033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19800 states to 19800 states and 92033 transitions. [2025-04-13 22:31:43,078 INFO L79 Accepts]: Start accepts. Automaton has 19800 states and 92033 transitions. Word has length 64 [2025-04-13 22:31:43,078 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:43,079 INFO L485 AbstractCegarLoop]: Abstraction has 19800 states and 92033 transitions. [2025-04-13 22:31:43,079 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:43,079 INFO L278 IsEmpty]: Start isEmpty. Operand 19800 states and 92033 transitions. [2025-04-13 22:31:43,123 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:43,124 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:43,124 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:43,124 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-13 22:31:43,124 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:43,124 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:43,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2144879118, now seen corresponding path program 7 times [2025-04-13 22:31:43,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:43,125 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709320823] [2025-04-13 22:31:43,125 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:31:43,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:43,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:43,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:43,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:43,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:43,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:43,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709320823] [2025-04-13 22:31:43,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709320823] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:43,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:43,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:43,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819298778] [2025-04-13 22:31:43,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:43,573 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:43,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:43,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:43,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:43,574 INFO L87 Difference]: Start difference. First operand 19800 states and 92033 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:45,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:45,545 INFO L93 Difference]: Finished difference Result 23896 states and 110831 transitions. [2025-04-13 22:31:45,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-13 22:31:45,545 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:45,546 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:45,649 INFO L225 Difference]: With dead ends: 23896 [2025-04-13 22:31:45,649 INFO L226 Difference]: Without dead ends: 23219 [2025-04-13 22:31:45,659 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=1711, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:31:45,660 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 647 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5524 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:45,660 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 0 Invalid, 5533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5524 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:31:45,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23219 states. [2025-04-13 22:31:46,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23219 to 19700. [2025-04-13 22:31:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19700 states, 19699 states have (on average 4.648510076653637) internal successors, (91571), 19699 states have internal predecessors, (91571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19700 states to 19700 states and 91571 transitions. [2025-04-13 22:31:46,343 INFO L79 Accepts]: Start accepts. Automaton has 19700 states and 91571 transitions. Word has length 64 [2025-04-13 22:31:46,343 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:46,343 INFO L485 AbstractCegarLoop]: Abstraction has 19700 states and 91571 transitions. [2025-04-13 22:31:46,343 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:46,343 INFO L278 IsEmpty]: Start isEmpty. Operand 19700 states and 91571 transitions. [2025-04-13 22:31:46,383 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:46,383 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:46,383 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:46,383 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-13 22:31:46,383 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:46,384 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:46,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1352355476, now seen corresponding path program 8 times [2025-04-13 22:31:46,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:46,384 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991291629] [2025-04-13 22:31:46,384 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:31:46,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:46,393 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:46,398 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:46,398 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:31:46,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:46,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:46,687 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991291629] [2025-04-13 22:31:46,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991291629] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:46,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:46,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:46,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621089954] [2025-04-13 22:31:46,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:46,687 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:46,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:46,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:46,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:46,688 INFO L87 Difference]: Start difference. First operand 19700 states and 91571 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:48,768 INFO L93 Difference]: Finished difference Result 22351 states and 103752 transitions. [2025-04-13 22:31:48,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:31:48,771 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:48,771 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:48,856 INFO L225 Difference]: With dead ends: 22351 [2025-04-13 22:31:48,856 INFO L226 Difference]: Without dead ends: 21299 [2025-04-13 22:31:48,864 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=1630, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:31:48,864 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 654 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5221 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:48,865 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 0 Invalid, 5231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5221 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:31:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21299 states. [2025-04-13 22:31:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21299 to 19400. [2025-04-13 22:31:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19400 states, 19399 states have (on average 4.6566833341924845) internal successors, (90335), 19399 states have internal predecessors, (90335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19400 states to 19400 states and 90335 transitions. [2025-04-13 22:31:49,296 INFO L79 Accepts]: Start accepts. Automaton has 19400 states and 90335 transitions. Word has length 64 [2025-04-13 22:31:49,296 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:49,296 INFO L485 AbstractCegarLoop]: Abstraction has 19400 states and 90335 transitions. [2025-04-13 22:31:49,297 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:49,297 INFO L278 IsEmpty]: Start isEmpty. Operand 19400 states and 90335 transitions. [2025-04-13 22:31:49,335 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:49,335 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:49,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:49,335 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-13 22:31:49,336 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:49,336 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash 332199250, now seen corresponding path program 9 times [2025-04-13 22:31:49,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:49,336 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538503727] [2025-04-13 22:31:49,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:31:49,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:49,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:49,346 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:49,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:31:49,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:49,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:49,789 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538503727] [2025-04-13 22:31:49,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538503727] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:49,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:49,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:49,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694053596] [2025-04-13 22:31:49,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:49,789 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:49,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:49,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:49,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:49,790 INFO L87 Difference]: Start difference. First operand 19400 states and 90335 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:51,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:51,532 INFO L93 Difference]: Finished difference Result 22466 states and 103887 transitions. [2025-04-13 22:31:51,532 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-13 22:31:51,532 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:51,532 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:51,637 INFO L225 Difference]: With dead ends: 22466 [2025-04-13 22:31:51,637 INFO L226 Difference]: Without dead ends: 21864 [2025-04-13 22:31:51,647 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=1338, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:31:51,647 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 553 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4700 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:51,648 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 0 Invalid, 4703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4700 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:31:51,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21864 states. [2025-04-13 22:31:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21864 to 19800. [2025-04-13 22:31:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19800 states, 19799 states have (on average 4.648366079094904) internal successors, (92033), 19799 states have internal predecessors, (92033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19800 states to 19800 states and 92033 transitions. [2025-04-13 22:31:52,263 INFO L79 Accepts]: Start accepts. Automaton has 19800 states and 92033 transitions. Word has length 64 [2025-04-13 22:31:52,263 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:52,263 INFO L485 AbstractCegarLoop]: Abstraction has 19800 states and 92033 transitions. [2025-04-13 22:31:52,263 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:52,263 INFO L278 IsEmpty]: Start isEmpty. Operand 19800 states and 92033 transitions. [2025-04-13 22:31:52,305 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:52,305 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:52,305 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:52,305 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-13 22:31:52,305 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:52,306 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:52,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1494048514, now seen corresponding path program 10 times [2025-04-13 22:31:52,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:52,306 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944157824] [2025-04-13 22:31:52,306 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:31:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:52,311 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:31:52,316 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:52,317 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:31:52,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:52,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:52,682 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944157824] [2025-04-13 22:31:52,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944157824] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:52,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:52,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:52,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142249719] [2025-04-13 22:31:52,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:52,683 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:52,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:52,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:52,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:52,683 INFO L87 Difference]: Start difference. First operand 19800 states and 92033 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:54,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:54,448 INFO L93 Difference]: Finished difference Result 22441 states and 103734 transitions. [2025-04-13 22:31:54,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:31:54,449 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:54,449 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:54,548 INFO L225 Difference]: With dead ends: 22441 [2025-04-13 22:31:54,548 INFO L226 Difference]: Without dead ends: 21764 [2025-04-13 22:31:54,557 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=1338, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:31:54,557 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 586 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4855 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:54,557 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 0 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4855 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:31:54,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21764 states. [2025-04-13 22:31:54,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21764 to 19700. [2025-04-13 22:31:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19700 states, 19699 states have (on average 4.648510076653637) internal successors, (91571), 19699 states have internal predecessors, (91571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19700 states to 19700 states and 91571 transitions. [2025-04-13 22:31:55,070 INFO L79 Accepts]: Start accepts. Automaton has 19700 states and 91571 transitions. Word has length 64 [2025-04-13 22:31:55,070 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:55,070 INFO L485 AbstractCegarLoop]: Abstraction has 19700 states and 91571 transitions. [2025-04-13 22:31:55,071 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:55,071 INFO L278 IsEmpty]: Start isEmpty. Operand 19700 states and 91571 transitions. [2025-04-13 22:31:55,110 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:55,110 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:55,110 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:55,110 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-13 22:31:55,110 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:55,111 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:55,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1290554276, now seen corresponding path program 11 times [2025-04-13 22:31:55,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:55,111 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394057105] [2025-04-13 22:31:55,111 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:31:55,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:55,116 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:55,119 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:55,119 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:31:55,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:55,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:55,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394057105] [2025-04-13 22:31:55,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394057105] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:55,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:55,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:55,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641997237] [2025-04-13 22:31:55,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:55,488 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:55,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:55,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:55,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:55,489 INFO L87 Difference]: Start difference. First operand 19700 states and 91571 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:57,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:57,231 INFO L93 Difference]: Finished difference Result 22743 states and 104847 transitions. [2025-04-13 22:31:57,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-13 22:31:57,231 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:57,232 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:57,330 INFO L225 Difference]: With dead ends: 22743 [2025-04-13 22:31:57,330 INFO L226 Difference]: Without dead ends: 21791 [2025-04-13 22:31:57,340 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:31:57,340 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 533 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:57,340 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 0 Invalid, 5132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:31:57,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21791 states. [2025-04-13 22:31:57,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21791 to 19500. [2025-04-13 22:31:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19500 states, 19499 states have (on average 4.651366736755731) internal successors, (90697), 19499 states have internal predecessors, (90697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:57,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19500 states to 19500 states and 90697 transitions. [2025-04-13 22:31:57,956 INFO L79 Accepts]: Start accepts. Automaton has 19500 states and 90697 transitions. Word has length 64 [2025-04-13 22:31:57,956 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:57,956 INFO L485 AbstractCegarLoop]: Abstraction has 19500 states and 90697 transitions. [2025-04-13 22:31:57,956 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:57,957 INFO L278 IsEmpty]: Start isEmpty. Operand 19500 states and 90697 transitions. [2025-04-13 22:31:57,995 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:57,995 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:57,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:57,996 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-13 22:31:57,996 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:57,996 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:57,996 INFO L85 PathProgramCache]: Analyzing trace with hash -732783012, now seen corresponding path program 12 times [2025-04-13 22:31:57,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:57,996 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106122011] [2025-04-13 22:31:57,996 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:31:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:58,001 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:58,003 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:58,004 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:31:58,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:58,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:58,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106122011] [2025-04-13 22:31:58,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106122011] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:58,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:58,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 22:31:58,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446064228] [2025-04-13 22:31:58,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:58,032 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 22:31:58,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:58,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 22:31:58,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:58,033 INFO L87 Difference]: Start difference. First operand 19500 states and 90697 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:58,255 INFO L93 Difference]: Finished difference Result 25099 states and 116229 transitions. [2025-04-13 22:31:58,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 22:31:58,255 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:31:58,255 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:58,336 INFO L225 Difference]: With dead ends: 25099 [2025-04-13 22:31:58,336 INFO L226 Difference]: Without dead ends: 15776 [2025-04-13 22:31:58,357 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:58,357 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:58,358 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 0 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:58,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15776 states. [2025-04-13 22:31:58,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15776 to 15776. [2025-04-13 22:31:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15776 states, 15775 states have (on average 4.565071315372425) internal successors, (72014), 15775 states have internal predecessors, (72014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15776 states to 15776 states and 72014 transitions. [2025-04-13 22:31:58,980 INFO L79 Accepts]: Start accepts. Automaton has 15776 states and 72014 transitions. Word has length 64 [2025-04-13 22:31:58,980 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:58,980 INFO L485 AbstractCegarLoop]: Abstraction has 15776 states and 72014 transitions. [2025-04-13 22:31:58,981 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:58,981 INFO L278 IsEmpty]: Start isEmpty. Operand 15776 states and 72014 transitions. [2025-04-13 22:31:59,019 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:31:59,019 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:59,019 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:31:59,020 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-04-13 22:31:59,020 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:31:59,020 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:59,020 INFO L85 PathProgramCache]: Analyzing trace with hash 497377980, now seen corresponding path program 13 times [2025-04-13 22:31:59,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:59,020 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924669105] [2025-04-13 22:31:59,020 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:31:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:59,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:31:59,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:31:59,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:59,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:31:59,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:59,344 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924669105] [2025-04-13 22:31:59,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924669105] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:59,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:59,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:31:59,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485549025] [2025-04-13 22:31:59,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:59,345 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:31:59,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:59,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:31:59,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:31:59,345 INFO L87 Difference]: Start difference. First operand 15776 states and 72014 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:01,204 INFO L93 Difference]: Finished difference Result 18847 states and 85684 transitions. [2025-04-13 22:32:01,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-13 22:32:01,204 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:01,205 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:01,291 INFO L225 Difference]: With dead ends: 18847 [2025-04-13 22:32:01,291 INFO L226 Difference]: Without dead ends: 18345 [2025-04-13 22:32:01,298 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=1478, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:32:01,298 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 573 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4882 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:01,298 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 0 Invalid, 4889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4882 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:32:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2025-04-13 22:32:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 16266. [2025-04-13 22:32:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16266 states, 16265 states have (on average 4.555856132800492) internal successors, (74101), 16265 states have internal predecessors, (74101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16266 states to 16266 states and 74101 transitions. [2025-04-13 22:32:01,675 INFO L79 Accepts]: Start accepts. Automaton has 16266 states and 74101 transitions. Word has length 64 [2025-04-13 22:32:01,675 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:01,675 INFO L485 AbstractCegarLoop]: Abstraction has 16266 states and 74101 transitions. [2025-04-13 22:32:01,675 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:01,675 INFO L278 IsEmpty]: Start isEmpty. Operand 16266 states and 74101 transitions. [2025-04-13 22:32:01,706 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:01,706 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:01,706 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:01,706 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-13 22:32:01,706 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:01,706 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:01,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1187510828, now seen corresponding path program 14 times [2025-04-13 22:32:01,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:01,707 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237245744] [2025-04-13 22:32:01,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:32:01,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:01,711 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:01,714 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:01,714 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:01,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:01,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:01,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237245744] [2025-04-13 22:32:01,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237245744] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:01,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:01,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116922054] [2025-04-13 22:32:01,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:01,946 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:01,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:01,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:01,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:01,946 INFO L87 Difference]: Start difference. First operand 16266 states and 74101 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:03,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:03,863 INFO L93 Difference]: Finished difference Result 18922 states and 85993 transitions. [2025-04-13 22:32:03,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:32:03,864 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:03,864 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:03,952 INFO L225 Difference]: With dead ends: 18922 [2025-04-13 22:32:03,952 INFO L226 Difference]: Without dead ends: 18295 [2025-04-13 22:32:03,961 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1554, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:32:03,962 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 645 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5034 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:03,962 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 0 Invalid, 5043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5034 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:32:03,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18295 states. [2025-04-13 22:32:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18295 to 16216. [2025-04-13 22:32:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16216 states, 16215 states have (on average 4.555658341042244) internal successors, (73870), 16215 states have internal predecessors, (73870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16216 states to 16216 states and 73870 transitions. [2025-04-13 22:32:04,354 INFO L79 Accepts]: Start accepts. Automaton has 16216 states and 73870 transitions. Word has length 64 [2025-04-13 22:32:04,354 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:04,354 INFO L485 AbstractCegarLoop]: Abstraction has 16216 states and 73870 transitions. [2025-04-13 22:32:04,354 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:04,355 INFO L278 IsEmpty]: Start isEmpty. Operand 16216 states and 73870 transitions. [2025-04-13 22:32:04,385 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:04,385 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:04,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:04,385 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-04-13 22:32:04,385 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:04,386 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:04,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1455733006, now seen corresponding path program 15 times [2025-04-13 22:32:04,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:04,386 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720825618] [2025-04-13 22:32:04,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:32:04,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:04,390 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:04,393 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:04,393 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:32:04,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:04,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:04,719 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720825618] [2025-04-13 22:32:04,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720825618] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:04,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:04,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302542933] [2025-04-13 22:32:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:04,719 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:04,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:04,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:04,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:04,720 INFO L87 Difference]: Start difference. First operand 16216 states and 73870 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:06,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:06,518 INFO L93 Difference]: Finished difference Result 18847 states and 85659 transitions. [2025-04-13 22:32:06,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:32:06,518 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:06,519 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:06,599 INFO L225 Difference]: With dead ends: 18847 [2025-04-13 22:32:06,599 INFO L226 Difference]: Without dead ends: 17795 [2025-04-13 22:32:06,607 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=1631, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:32:06,607 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 654 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5166 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:06,608 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 0 Invalid, 5176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5166 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:32:06,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17795 states. [2025-04-13 22:32:06,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17795 to 15916. [2025-04-13 22:32:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15916 states, 15915 states have (on average 4.563870562362551) internal successors, (72634), 15915 states have internal predecessors, (72634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15916 states to 15916 states and 72634 transitions. [2025-04-13 22:32:06,974 INFO L79 Accepts]: Start accepts. Automaton has 15916 states and 72634 transitions. Word has length 64 [2025-04-13 22:32:06,974 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:06,974 INFO L485 AbstractCegarLoop]: Abstraction has 15916 states and 72634 transitions. [2025-04-13 22:32:06,974 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:06,975 INFO L278 IsEmpty]: Start isEmpty. Operand 15916 states and 72634 transitions. [2025-04-13 22:32:07,004 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:07,004 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:07,004 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:07,004 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-04-13 22:32:07,004 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:07,004 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:07,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1699003664, now seen corresponding path program 16 times [2025-04-13 22:32:07,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:07,004 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148679053] [2025-04-13 22:32:07,004 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:32:07,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:07,009 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:32:07,013 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:07,013 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:32:07,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:07,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:07,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148679053] [2025-04-13 22:32:07,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148679053] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:07,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:07,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:07,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706227410] [2025-04-13 22:32:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:07,413 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:07,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:07,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:07,414 INFO L87 Difference]: Start difference. First operand 15916 states and 72634 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:08,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:08,843 INFO L93 Difference]: Finished difference Result 18532 states and 84107 transitions. [2025-04-13 22:32:08,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-13 22:32:08,843 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:08,844 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:08,923 INFO L225 Difference]: With dead ends: 18532 [2025-04-13 22:32:08,923 INFO L226 Difference]: Without dead ends: 18030 [2025-04-13 22:32:08,930 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=1266, Unknown=0, NotChecked=0, Total=1406 [2025-04-13 22:32:08,931 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 585 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:08,931 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 0 Invalid, 4415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:32:08,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18030 states. [2025-04-13 22:32:09,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18030 to 16366. [2025-04-13 22:32:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16366 states, 16365 states have (on average 4.550137488542622) internal successors, (74463), 16365 states have internal predecessors, (74463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16366 states to 16366 states and 74463 transitions. [2025-04-13 22:32:09,297 INFO L79 Accepts]: Start accepts. Automaton has 16366 states and 74463 transitions. Word has length 64 [2025-04-13 22:32:09,298 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:09,298 INFO L485 AbstractCegarLoop]: Abstraction has 16366 states and 74463 transitions. [2025-04-13 22:32:09,298 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:09,298 INFO L278 IsEmpty]: Start isEmpty. Operand 16366 states and 74463 transitions. [2025-04-13 22:32:09,328 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:09,328 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:09,328 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:09,328 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-04-13 22:32:09,328 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:09,328 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1423976900, now seen corresponding path program 17 times [2025-04-13 22:32:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:09,328 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397477879] [2025-04-13 22:32:09,329 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:32:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:09,333 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:09,336 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:09,336 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:09,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:09,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:09,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397477879] [2025-04-13 22:32:09,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397477879] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:09,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:09,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:09,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045520694] [2025-04-13 22:32:09,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:09,578 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:09,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:09,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:09,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:09,578 INFO L87 Difference]: Start difference. First operand 16366 states and 74463 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:11,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:11,166 INFO L93 Difference]: Finished difference Result 18607 states and 84416 transitions. [2025-04-13 22:32:11,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:32:11,166 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:11,166 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:11,260 INFO L225 Difference]: With dead ends: 18607 [2025-04-13 22:32:11,260 INFO L226 Difference]: Without dead ends: 17980 [2025-04-13 22:32:11,269 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=1266, Unknown=0, NotChecked=0, Total=1406 [2025-04-13 22:32:11,269 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4566 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:11,270 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 0 Invalid, 4570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4566 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:32:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17980 states. [2025-04-13 22:32:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17980 to 16316. [2025-04-13 22:32:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16316 states, 16315 states have (on average 4.549923383389519) internal successors, (74232), 16315 states have internal predecessors, (74232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16316 states to 16316 states and 74232 transitions. [2025-04-13 22:32:11,688 INFO L79 Accepts]: Start accepts. Automaton has 16316 states and 74232 transitions. Word has length 64 [2025-04-13 22:32:11,688 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:11,688 INFO L485 AbstractCegarLoop]: Abstraction has 16316 states and 74232 transitions. [2025-04-13 22:32:11,688 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:11,688 INFO L278 IsEmpty]: Start isEmpty. Operand 16316 states and 74232 transitions. [2025-04-13 22:32:11,720 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:11,720 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:11,720 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:11,720 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-04-13 22:32:11,720 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:11,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:11,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1412991486, now seen corresponding path program 18 times [2025-04-13 22:32:11,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:11,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991415182] [2025-04-13 22:32:11,721 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:32:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:11,725 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:11,728 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:11,728 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:32:11,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:11,979 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991415182] [2025-04-13 22:32:11,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991415182] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:11,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931749705] [2025-04-13 22:32:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:11,979 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:11,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:11,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:11,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:11,980 INFO L87 Difference]: Start difference. First operand 16316 states and 74232 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:13,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:13,528 INFO L93 Difference]: Finished difference Result 18532 states and 84082 transitions. [2025-04-13 22:32:13,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-13 22:32:13,528 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:13,528 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:13,620 INFO L225 Difference]: With dead ends: 18532 [2025-04-13 22:32:13,621 INFO L226 Difference]: Without dead ends: 17430 [2025-04-13 22:32:13,630 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=1266, Unknown=0, NotChecked=0, Total=1406 [2025-04-13 22:32:13,631 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 532 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4767 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:13,631 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 0 Invalid, 4771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4767 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:32:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17430 states. [2025-04-13 22:32:14,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17430 to 15966. [2025-04-13 22:32:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15966 states, 15965 states have (on average 4.560914500469778) internal successors, (72815), 15965 states have internal predecessors, (72815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15966 states to 15966 states and 72815 transitions. [2025-04-13 22:32:14,110 INFO L79 Accepts]: Start accepts. Automaton has 15966 states and 72815 transitions. Word has length 64 [2025-04-13 22:32:14,111 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:14,111 INFO L485 AbstractCegarLoop]: Abstraction has 15966 states and 72815 transitions. [2025-04-13 22:32:14,111 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:14,111 INFO L278 IsEmpty]: Start isEmpty. Operand 15966 states and 72815 transitions. [2025-04-13 22:32:14,141 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:14,141 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:14,141 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:14,141 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-04-13 22:32:14,141 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:14,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:14,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1683627888, now seen corresponding path program 19 times [2025-04-13 22:32:14,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:14,141 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842218061] [2025-04-13 22:32:14,142 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:32:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:14,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:14,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:14,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:32:14,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:14,388 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842218061] [2025-04-13 22:32:14,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842218061] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:14,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:14,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:14,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934668481] [2025-04-13 22:32:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:14,389 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:14,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:14,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:14,390 INFO L87 Difference]: Start difference. First operand 15966 states and 72815 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:15,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:15,804 INFO L93 Difference]: Finished difference Result 18182 states and 82640 transitions. [2025-04-13 22:32:15,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-13 22:32:15,805 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:15,805 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:15,890 INFO L225 Difference]: With dead ends: 18182 [2025-04-13 22:32:15,891 INFO L226 Difference]: Without dead ends: 17680 [2025-04-13 22:32:15,898 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=1201, Unknown=0, NotChecked=0, Total=1332 [2025-04-13 22:32:15,899 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 511 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4417 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:15,899 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 0 Invalid, 4419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4417 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:32:15,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17680 states. [2025-04-13 22:32:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17680 to 16416. [2025-04-13 22:32:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16416 states, 16415 states have (on average 4.547304294852269) internal successors, (74644), 16415 states have internal predecessors, (74644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16416 states to 16416 states and 74644 transitions. [2025-04-13 22:32:16,410 INFO L79 Accepts]: Start accepts. Automaton has 16416 states and 74644 transitions. Word has length 64 [2025-04-13 22:32:16,411 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:16,411 INFO L485 AbstractCegarLoop]: Abstraction has 16416 states and 74644 transitions. [2025-04-13 22:32:16,411 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:16,411 INFO L278 IsEmpty]: Start isEmpty. Operand 16416 states and 74644 transitions. [2025-04-13 22:32:16,441 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:16,442 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:16,442 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:16,442 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-04-13 22:32:16,442 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:16,442 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2059331168, now seen corresponding path program 20 times [2025-04-13 22:32:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:16,442 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146594429] [2025-04-13 22:32:16,442 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:32:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:16,447 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:16,451 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:16,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:16,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:16,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:16,694 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146594429] [2025-04-13 22:32:16,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146594429] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:16,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:16,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762642631] [2025-04-13 22:32:16,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:16,694 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:16,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:16,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:16,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:16,695 INFO L87 Difference]: Start difference. First operand 16416 states and 74644 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:18,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:18,262 INFO L93 Difference]: Finished difference Result 18257 states and 82949 transitions. [2025-04-13 22:32:18,262 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-13 22:32:18,262 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:18,262 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:18,349 INFO L225 Difference]: With dead ends: 18257 [2025-04-13 22:32:18,349 INFO L226 Difference]: Without dead ends: 17630 [2025-04-13 22:32:18,365 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=1201, Unknown=0, NotChecked=0, Total=1332 [2025-04-13 22:32:18,366 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 534 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4570 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:18,366 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 0 Invalid, 4574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4570 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:32:18,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17630 states. [2025-04-13 22:32:18,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17630 to 16366. [2025-04-13 22:32:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16366 states, 16365 states have (on average 4.547082187595478) internal successors, (74413), 16365 states have internal predecessors, (74413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16366 states to 16366 states and 74413 transitions. [2025-04-13 22:32:18,874 INFO L79 Accepts]: Start accepts. Automaton has 16366 states and 74413 transitions. Word has length 64 [2025-04-13 22:32:18,874 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:18,874 INFO L485 AbstractCegarLoop]: Abstraction has 16366 states and 74413 transitions. [2025-04-13 22:32:18,874 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:18,874 INFO L278 IsEmpty]: Start isEmpty. Operand 16366 states and 74413 transitions. [2025-04-13 22:32:18,905 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:18,905 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:18,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:18,905 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-04-13 22:32:18,905 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:18,906 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:18,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1652984382, now seen corresponding path program 21 times [2025-04-13 22:32:18,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:18,906 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665547338] [2025-04-13 22:32:18,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:32:18,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:18,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:18,913 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:18,913 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:32:18,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:19,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:19,131 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665547338] [2025-04-13 22:32:19,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665547338] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:19,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:19,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:19,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805146134] [2025-04-13 22:32:19,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:19,132 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:19,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:19,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:19,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:19,132 INFO L87 Difference]: Start difference. First operand 16366 states and 74413 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:20,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:20,647 INFO L93 Difference]: Finished difference Result 18182 states and 82615 transitions. [2025-04-13 22:32:20,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-13 22:32:20,647 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:20,647 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:20,736 INFO L225 Difference]: With dead ends: 18182 [2025-04-13 22:32:20,736 INFO L226 Difference]: Without dead ends: 16806 [2025-04-13 22:32:20,746 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=1202, Unknown=0, NotChecked=0, Total=1332 [2025-04-13 22:32:20,747 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 478 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4757 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:20,747 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 0 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4757 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:32:20,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16806 states. [2025-04-13 22:32:21,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16806 to 15742. [2025-04-13 22:32:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15742 states, 15741 states have (on average 4.574487008449273) internal successors, (72007), 15741 states have internal predecessors, (72007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15742 states to 15742 states and 72007 transitions. [2025-04-13 22:32:21,263 INFO L79 Accepts]: Start accepts. Automaton has 15742 states and 72007 transitions. Word has length 64 [2025-04-13 22:32:21,263 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:21,263 INFO L485 AbstractCegarLoop]: Abstraction has 15742 states and 72007 transitions. [2025-04-13 22:32:21,263 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:21,263 INFO L278 IsEmpty]: Start isEmpty. Operand 15742 states and 72007 transitions. [2025-04-13 22:32:21,293 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:21,293 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:21,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:21,294 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-04-13 22:32:21,294 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:21,294 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:21,294 INFO L85 PathProgramCache]: Analyzing trace with hash 854061662, now seen corresponding path program 22 times [2025-04-13 22:32:21,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:21,294 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135916879] [2025-04-13 22:32:21,294 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:32:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:21,299 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:32:21,303 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:21,303 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:32:21,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:21,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:21,571 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135916879] [2025-04-13 22:32:21,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135916879] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:21,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:21,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:32:21,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865985269] [2025-04-13 22:32:21,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:21,571 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:32:21,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:21,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:32:21,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:32:21,572 INFO L87 Difference]: Start difference. First operand 15742 states and 72007 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:23,177 INFO L93 Difference]: Finished difference Result 19513 states and 88828 transitions. [2025-04-13 22:32:23,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:32:23,177 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:23,177 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:23,259 INFO L225 Difference]: With dead ends: 19513 [2025-04-13 22:32:23,259 INFO L226 Difference]: Without dead ends: 19011 [2025-04-13 22:32:23,266 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=1605, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:32:23,267 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 572 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4684 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:23,267 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 0 Invalid, 4689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:32:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19011 states. [2025-04-13 22:32:23,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19011 to 16412. [2025-04-13 22:32:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16412 states, 16411 states have (on average 4.554993601852416) internal successors, (74752), 16411 states have internal predecessors, (74752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16412 states to 16412 states and 74752 transitions. [2025-04-13 22:32:23,779 INFO L79 Accepts]: Start accepts. Automaton has 16412 states and 74752 transitions. Word has length 64 [2025-04-13 22:32:23,779 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:23,780 INFO L485 AbstractCegarLoop]: Abstraction has 16412 states and 74752 transitions. [2025-04-13 22:32:23,780 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:23,780 INFO L278 IsEmpty]: Start isEmpty. Operand 16412 states and 74752 transitions. [2025-04-13 22:32:23,809 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:23,810 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:23,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:23,810 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-04-13 22:32:23,810 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:23,810 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash -853087884, now seen corresponding path program 23 times [2025-04-13 22:32:23,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:23,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292382886] [2025-04-13 22:32:23,810 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:32:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:23,814 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:23,817 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:23,817 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:23,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:24,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:24,036 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292382886] [2025-04-13 22:32:24,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292382886] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:24,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:24,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:32:24,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808547247] [2025-04-13 22:32:24,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:24,037 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:32:24,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:24,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:32:24,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:32:24,037 INFO L87 Difference]: Start difference. First operand 16412 states and 74752 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:25,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:25,904 INFO L93 Difference]: Finished difference Result 19688 states and 89627 transitions. [2025-04-13 22:32:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:32:25,905 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:25,905 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:26,012 INFO L225 Difference]: With dead ends: 19688 [2025-04-13 22:32:26,012 INFO L226 Difference]: Without dead ends: 19061 [2025-04-13 22:32:26,018 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=1767, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:32:26,018 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 615 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5004 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:26,018 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 0 Invalid, 5011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5004 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:32:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19061 states. [2025-04-13 22:32:26,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19061 to 16362. [2025-04-13 22:32:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 16361 states have (on average 4.554794939184647) internal successors, (74521), 16361 states have internal predecessors, (74521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 74521 transitions. [2025-04-13 22:32:26,497 INFO L79 Accepts]: Start accepts. Automaton has 16362 states and 74521 transitions. Word has length 64 [2025-04-13 22:32:26,497 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:26,497 INFO L485 AbstractCegarLoop]: Abstraction has 16362 states and 74521 transitions. [2025-04-13 22:32:26,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:26,497 INFO L278 IsEmpty]: Start isEmpty. Operand 16362 states and 74521 transitions. [2025-04-13 22:32:26,530 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:26,531 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:26,531 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:26,531 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-04-13 22:32:26,531 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:26,531 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:26,531 INFO L85 PathProgramCache]: Analyzing trace with hash 568049484, now seen corresponding path program 24 times [2025-04-13 22:32:26,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:26,531 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464342541] [2025-04-13 22:32:26,531 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:32:26,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:26,539 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:26,545 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:26,545 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:32:26,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:26,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:26,776 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464342541] [2025-04-13 22:32:26,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464342541] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:26,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:26,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:32:26,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631111209] [2025-04-13 22:32:26,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:26,776 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:32:26,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:26,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:32:26,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:32:26,777 INFO L87 Difference]: Start difference. First operand 16362 states and 74521 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:28,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:28,549 INFO L93 Difference]: Finished difference Result 19028 states and 86551 transitions. [2025-04-13 22:32:28,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:32:28,549 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:28,549 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:28,639 INFO L225 Difference]: With dead ends: 19028 [2025-04-13 22:32:28,640 INFO L226 Difference]: Without dead ends: 17776 [2025-04-13 22:32:28,646 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=1609, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:32:28,647 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 628 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:28,647 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 0 Invalid, 4810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4804 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:32:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17776 states. [2025-04-13 22:32:28,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17776 to 15862. [2025-04-13 22:32:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15862 states, 15861 states have (on average 4.569762310068722) internal successors, (72481), 15861 states have internal predecessors, (72481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15862 states to 15862 states and 72481 transitions. [2025-04-13 22:32:29,012 INFO L79 Accepts]: Start accepts. Automaton has 15862 states and 72481 transitions. Word has length 64 [2025-04-13 22:32:29,012 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:29,012 INFO L485 AbstractCegarLoop]: Abstraction has 15862 states and 72481 transitions. [2025-04-13 22:32:29,013 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:29,013 INFO L278 IsEmpty]: Start isEmpty. Operand 15862 states and 72481 transitions. [2025-04-13 22:32:29,045 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:29,045 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:29,045 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:29,045 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-04-13 22:32:29,045 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:29,046 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1642857334, now seen corresponding path program 25 times [2025-04-13 22:32:29,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:29,046 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819636859] [2025-04-13 22:32:29,046 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:32:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:29,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:29,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:29,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:32:29,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:29,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:29,255 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819636859] [2025-04-13 22:32:29,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819636859] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:29,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:29,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:29,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314629837] [2025-04-13 22:32:29,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:29,256 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:29,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:29,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:29,256 INFO L87 Difference]: Start difference. First operand 15862 states and 72481 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:31,126 INFO L93 Difference]: Finished difference Result 20228 states and 91949 transitions. [2025-04-13 22:32:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:32:31,126 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:31,126 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:31,218 INFO L225 Difference]: With dead ends: 20228 [2025-04-13 22:32:31,218 INFO L226 Difference]: Without dead ends: 19726 [2025-04-13 22:32:31,226 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=227, Invalid=1935, Unknown=0, NotChecked=0, Total=2162 [2025-04-13 22:32:31,227 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 639 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5119 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:31,227 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 0 Invalid, 5131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 5119 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:32:31,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19726 states. [2025-04-13 22:32:31,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19726 to 16272. [2025-04-13 22:32:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16272 states, 16271 states have (on average 4.559645995943703) internal successors, (74190), 16271 states have internal predecessors, (74190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16272 states to 16272 states and 74190 transitions. [2025-04-13 22:32:31,616 INFO L79 Accepts]: Start accepts. Automaton has 16272 states and 74190 transitions. Word has length 64 [2025-04-13 22:32:31,616 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:31,616 INFO L485 AbstractCegarLoop]: Abstraction has 16272 states and 74190 transitions. [2025-04-13 22:32:31,616 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:31,616 INFO L278 IsEmpty]: Start isEmpty. Operand 16272 states and 74190 transitions. [2025-04-13 22:32:31,649 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:31,650 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:31,650 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:31,650 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-04-13 22:32:31,650 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:31,650 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:31,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1617664224, now seen corresponding path program 26 times [2025-04-13 22:32:31,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:31,650 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559849330] [2025-04-13 22:32:31,650 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:32:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:31,654 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:31,657 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:31,657 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:31,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:31,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:31,892 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559849330] [2025-04-13 22:32:31,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559849330] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:31,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:31,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:31,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206190657] [2025-04-13 22:32:31,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:31,893 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:31,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:31,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:31,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:31,894 INFO L87 Difference]: Start difference. First operand 16272 states and 74190 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:34,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:34,090 INFO L93 Difference]: Finished difference Result 20403 states and 92748 transitions. [2025-04-13 22:32:34,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:32:34,090 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:34,090 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:34,183 INFO L225 Difference]: With dead ends: 20403 [2025-04-13 22:32:34,183 INFO L226 Difference]: Without dead ends: 19776 [2025-04-13 22:32:34,189 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=2113, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:32:34,189 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 702 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5451 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:34,189 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 0 Invalid, 5465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 5451 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:32:34,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2025-04-13 22:32:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 16222. [2025-04-13 22:32:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16222 states, 16221 states have (on average 4.559459959312003) internal successors, (73959), 16221 states have internal predecessors, (73959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16222 states to 16222 states and 73959 transitions. [2025-04-13 22:32:34,567 INFO L79 Accepts]: Start accepts. Automaton has 16222 states and 73959 transitions. Word has length 64 [2025-04-13 22:32:34,567 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:34,567 INFO L485 AbstractCegarLoop]: Abstraction has 16222 states and 73959 transitions. [2025-04-13 22:32:34,567 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:34,567 INFO L278 IsEmpty]: Start isEmpty. Operand 16222 states and 73959 transitions. [2025-04-13 22:32:34,597 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:34,597 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:34,597 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:34,597 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-04-13 22:32:34,597 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:34,597 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:34,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1693754936, now seen corresponding path program 27 times [2025-04-13 22:32:34,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:34,598 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926641110] [2025-04-13 22:32:34,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:32:34,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:34,602 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:34,604 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:34,604 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:32:34,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:34,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:34,817 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926641110] [2025-04-13 22:32:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926641110] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:34,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:34,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:34,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91861731] [2025-04-13 22:32:34,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:34,818 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:34,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:34,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:34,818 INFO L87 Difference]: Start difference. First operand 16222 states and 73959 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:36,663 INFO L93 Difference]: Finished difference Result 19948 states and 90588 transitions. [2025-04-13 22:32:36,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-13 22:32:36,663 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:36,663 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:36,873 INFO L225 Difference]: With dead ends: 19948 [2025-04-13 22:32:36,873 INFO L226 Difference]: Without dead ends: 18896 [2025-04-13 22:32:36,878 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=1936, Unknown=0, NotChecked=0, Total=2162 [2025-04-13 22:32:36,879 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 702 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5250 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 5250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:36,879 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 0 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 5250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:32:36,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18896 states. [2025-04-13 22:32:37,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18896 to 15922. [2025-04-13 22:32:37,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15922 states, 15921 states have (on average 4.568368821053954) internal successors, (72733), 15921 states have internal predecessors, (72733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15922 states to 15922 states and 72733 transitions. [2025-04-13 22:32:37,227 INFO L79 Accepts]: Start accepts. Automaton has 15922 states and 72733 transitions. Word has length 64 [2025-04-13 22:32:37,228 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:37,228 INFO L485 AbstractCegarLoop]: Abstraction has 15922 states and 72733 transitions. [2025-04-13 22:32:37,228 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:37,228 INFO L278 IsEmpty]: Start isEmpty. Operand 15922 states and 72733 transitions. [2025-04-13 22:32:37,258 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:37,258 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:37,258 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:37,258 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-04-13 22:32:37,258 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:37,259 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:37,259 INFO L85 PathProgramCache]: Analyzing trace with hash -850354916, now seen corresponding path program 28 times [2025-04-13 22:32:37,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:37,259 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376659786] [2025-04-13 22:32:37,259 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:32:37,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:37,263 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:32:37,267 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:37,267 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:32:37,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:37,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:37,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376659786] [2025-04-13 22:32:37,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376659786] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:37,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:37,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:37,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786571487] [2025-04-13 22:32:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:37,515 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:37,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:37,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:37,516 INFO L87 Difference]: Start difference. First operand 15922 states and 72733 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:39,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:39,511 INFO L93 Difference]: Finished difference Result 20505 states and 93562 transitions. [2025-04-13 22:32:39,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:32:39,512 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:39,512 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:39,607 INFO L225 Difference]: With dead ends: 20505 [2025-04-13 22:32:39,607 INFO L226 Difference]: Without dead ends: 20003 [2025-04-13 22:32:39,612 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=2020, Unknown=0, NotChecked=0, Total=2256 [2025-04-13 22:32:39,613 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 654 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5371 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:39,613 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 0 Invalid, 5383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 5371 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:32:39,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20003 states. [2025-04-13 22:32:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20003 to 16292. [2025-04-13 22:32:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16292 states, 16291 states have (on average 4.558467865692713) internal successors, (74262), 16291 states have internal predecessors, (74262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16292 states to 16292 states and 74262 transitions. [2025-04-13 22:32:40,001 INFO L79 Accepts]: Start accepts. Automaton has 16292 states and 74262 transitions. Word has length 64 [2025-04-13 22:32:40,001 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:40,001 INFO L485 AbstractCegarLoop]: Abstraction has 16292 states and 74262 transitions. [2025-04-13 22:32:40,001 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:40,001 INFO L278 IsEmpty]: Start isEmpty. Operand 16292 states and 74262 transitions. [2025-04-13 22:32:40,039 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:40,039 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:40,040 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:40,040 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-04-13 22:32:40,040 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:40,040 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:40,040 INFO L85 PathProgramCache]: Analyzing trace with hash 5450256, now seen corresponding path program 29 times [2025-04-13 22:32:40,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:40,040 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055236415] [2025-04-13 22:32:40,040 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:32:40,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:40,046 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:40,048 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:40,048 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:40,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:40,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:40,244 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055236415] [2025-04-13 22:32:40,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055236415] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:40,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:40,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:40,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231832885] [2025-04-13 22:32:40,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:40,244 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:40,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:40,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:40,245 INFO L87 Difference]: Start difference. First operand 16292 states and 74262 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:42,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:42,744 INFO L93 Difference]: Finished difference Result 21900 states and 100261 transitions. [2025-04-13 22:32:42,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-13 22:32:42,744 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:42,744 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:42,842 INFO L225 Difference]: With dead ends: 21900 [2025-04-13 22:32:42,842 INFO L226 Difference]: Without dead ends: 21273 [2025-04-13 22:32:42,852 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=345, Invalid=2961, Unknown=0, NotChecked=0, Total=3306 [2025-04-13 22:32:42,852 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 797 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6400 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:42,852 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 0 Invalid, 6418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6400 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:32:42,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21273 states. [2025-04-13 22:32:43,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21273 to 16242. [2025-04-13 22:32:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16242 states, 16241 states have (on average 4.558278431131088) internal successors, (74031), 16241 states have internal predecessors, (74031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16242 states to 16242 states and 74031 transitions. [2025-04-13 22:32:43,251 INFO L79 Accepts]: Start accepts. Automaton has 16242 states and 74031 transitions. Word has length 64 [2025-04-13 22:32:43,252 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:43,252 INFO L485 AbstractCegarLoop]: Abstraction has 16242 states and 74031 transitions. [2025-04-13 22:32:43,252 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:43,252 INFO L278 IsEmpty]: Start isEmpty. Operand 16242 states and 74031 transitions. [2025-04-13 22:32:43,281 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:43,282 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:43,282 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:43,282 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-04-13 22:32:43,282 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:43,282 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:43,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1136367094, now seen corresponding path program 30 times [2025-04-13 22:32:43,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:43,282 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058693865] [2025-04-13 22:32:43,282 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:32:43,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:43,287 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:43,290 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:43,290 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:32:43,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:43,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:43,496 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058693865] [2025-04-13 22:32:43,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058693865] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:43,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:43,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:32:43,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194613510] [2025-04-13 22:32:43,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:43,496 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:32:43,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:43,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:32:43,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:32:43,497 INFO L87 Difference]: Start difference. First operand 16242 states and 74031 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:45,832 INFO L93 Difference]: Finished difference Result 21950 states and 100523 transitions. [2025-04-13 22:32:45,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:32:45,832 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:45,832 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:45,936 INFO L225 Difference]: With dead ends: 21950 [2025-04-13 22:32:45,936 INFO L226 Difference]: Without dead ends: 20998 [2025-04-13 22:32:45,948 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=2657, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:32:45,948 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 797 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6324 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:45,948 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 0 Invalid, 6340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 6324 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:32:45,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20998 states. [2025-04-13 22:32:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20998 to 16042. [2025-04-13 22:32:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16042 states, 16041 states have (on average 4.561872701203167) internal successors, (73177), 16041 states have internal predecessors, (73177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16042 states to 16042 states and 73177 transitions. [2025-04-13 22:32:46,359 INFO L79 Accepts]: Start accepts. Automaton has 16042 states and 73177 transitions. Word has length 64 [2025-04-13 22:32:46,359 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:46,360 INFO L485 AbstractCegarLoop]: Abstraction has 16042 states and 73177 transitions. [2025-04-13 22:32:46,360 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:46,360 INFO L278 IsEmpty]: Start isEmpty. Operand 16042 states and 73177 transitions. [2025-04-13 22:32:46,389 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:46,389 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:46,389 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:46,389 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-04-13 22:32:46,389 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:46,390 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:46,390 INFO L85 PathProgramCache]: Analyzing trace with hash -459963108, now seen corresponding path program 31 times [2025-04-13 22:32:46,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:46,390 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332100858] [2025-04-13 22:32:46,390 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:32:46,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:46,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:46,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:46,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:32:46,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:46,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:46,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332100858] [2025-04-13 22:32:46,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332100858] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:46,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:46,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:32:46,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014876042] [2025-04-13 22:32:46,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:46,616 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:32:46,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:46,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:32:46,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:32:46,616 INFO L87 Difference]: Start difference. First operand 16042 states and 73177 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:48,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:48,680 INFO L93 Difference]: Finished difference Result 20631 states and 93862 transitions. [2025-04-13 22:32:48,680 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-13 22:32:48,680 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:48,681 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:48,779 INFO L225 Difference]: With dead ends: 20631 [2025-04-13 22:32:48,779 INFO L226 Difference]: Without dead ends: 20209 [2025-04-13 22:32:48,788 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=235, Invalid=2117, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:32:48,788 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 667 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6033 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:48,788 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 0 Invalid, 6049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 6033 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:32:48,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20209 states. [2025-04-13 22:32:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20209 to 16142. [2025-04-13 22:32:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16142 states, 16141 states have (on average 4.560869834582739) internal successors, (73617), 16141 states have internal predecessors, (73617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16142 states to 16142 states and 73617 transitions. [2025-04-13 22:32:49,188 INFO L79 Accepts]: Start accepts. Automaton has 16142 states and 73617 transitions. Word has length 64 [2025-04-13 22:32:49,188 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:49,188 INFO L485 AbstractCegarLoop]: Abstraction has 16142 states and 73617 transitions. [2025-04-13 22:32:49,188 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:49,188 INFO L278 IsEmpty]: Start isEmpty. Operand 16142 states and 73617 transitions. [2025-04-13 22:32:49,218 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:49,218 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:49,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:49,218 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-04-13 22:32:49,219 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:49,219 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:49,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1175889752, now seen corresponding path program 32 times [2025-04-13 22:32:49,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:49,219 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933083880] [2025-04-13 22:32:49,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:32:49,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:49,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:49,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:49,226 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:49,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:49,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:49,437 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933083880] [2025-04-13 22:32:49,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933083880] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:49,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:49,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:32:49,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951708994] [2025-04-13 22:32:49,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:49,437 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:32:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:49,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:32:49,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:32:49,438 INFO L87 Difference]: Start difference. First operand 16142 states and 73617 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:51,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:51,491 INFO L93 Difference]: Finished difference Result 20611 states and 93710 transitions. [2025-04-13 22:32:51,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:32:51,491 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:51,491 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:51,582 INFO L225 Difference]: With dead ends: 20611 [2025-04-13 22:32:51,582 INFO L226 Difference]: Without dead ends: 20169 [2025-04-13 22:32:51,588 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=238, Invalid=2114, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:32:51,588 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 689 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5937 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:51,588 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 0 Invalid, 5953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5937 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:32:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20169 states. [2025-04-13 22:32:51,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20169 to 16102. [2025-04-13 22:32:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16102 states, 16101 states have (on average 4.560524191044035) internal successors, (73429), 16101 states have internal predecessors, (73429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16102 states to 16102 states and 73429 transitions. [2025-04-13 22:32:51,975 INFO L79 Accepts]: Start accepts. Automaton has 16102 states and 73429 transitions. Word has length 64 [2025-04-13 22:32:51,975 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:51,975 INFO L485 AbstractCegarLoop]: Abstraction has 16102 states and 73429 transitions. [2025-04-13 22:32:51,975 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:51,975 INFO L278 IsEmpty]: Start isEmpty. Operand 16102 states and 73429 transitions. [2025-04-13 22:32:52,005 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:52,005 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:52,005 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:52,006 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-04-13 22:32:52,006 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:52,006 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1589802898, now seen corresponding path program 33 times [2025-04-13 22:32:52,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:52,006 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492504968] [2025-04-13 22:32:52,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:32:52,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:52,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:52,013 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:52,013 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:32:52,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:52,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:52,224 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492504968] [2025-04-13 22:32:52,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492504968] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:52,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:52,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:32:52,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132262322] [2025-04-13 22:32:52,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:52,224 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:32:52,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:52,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:32:52,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:32:52,225 INFO L87 Difference]: Start difference. First operand 16102 states and 73429 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:54,111 INFO L93 Difference]: Finished difference Result 20369 states and 92796 transitions. [2025-04-13 22:32:54,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-13 22:32:54,111 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:54,112 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:54,203 INFO L225 Difference]: With dead ends: 20369 [2025-04-13 22:32:54,203 INFO L226 Difference]: Without dead ends: 19827 [2025-04-13 22:32:54,212 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=237, Invalid=2115, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:32:54,213 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 655 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5925 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:54,213 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 0 Invalid, 5942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 5925 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:32:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19827 states. [2025-04-13 22:32:54,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19827 to 16112. [2025-04-13 22:32:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16112 states, 16111 states have (on average 4.558500403451058) internal successors, (73442), 16111 states have internal predecessors, (73442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16112 states to 16112 states and 73442 transitions. [2025-04-13 22:32:54,764 INFO L79 Accepts]: Start accepts. Automaton has 16112 states and 73442 transitions. Word has length 64 [2025-04-13 22:32:54,764 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:54,764 INFO L485 AbstractCegarLoop]: Abstraction has 16112 states and 73442 transitions. [2025-04-13 22:32:54,764 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:54,764 INFO L278 IsEmpty]: Start isEmpty. Operand 16112 states and 73442 transitions. [2025-04-13 22:32:54,795 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:54,795 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:54,795 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:54,795 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-04-13 22:32:54,796 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:54,796 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:54,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1641670974, now seen corresponding path program 34 times [2025-04-13 22:32:54,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:54,796 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205006488] [2025-04-13 22:32:54,796 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:32:54,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:54,800 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:32:54,803 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:54,804 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:32:54,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:55,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:55,062 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205006488] [2025-04-13 22:32:55,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205006488] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:55,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:55,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:32:55,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532293845] [2025-04-13 22:32:55,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:55,062 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:32:55,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:55,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:32:55,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:32:55,063 INFO L87 Difference]: Start difference. First operand 16112 states and 73442 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:57,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:32:57,380 INFO L93 Difference]: Finished difference Result 22445 states and 101680 transitions. [2025-04-13 22:32:57,380 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 22:32:57,380 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:32:57,380 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:32:57,490 INFO L225 Difference]: With dead ends: 22445 [2025-04-13 22:32:57,490 INFO L226 Difference]: Without dead ends: 22023 [2025-04-13 22:32:57,500 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=304, Invalid=2666, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:32:57,500 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 795 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6822 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:32:57,500 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 0 Invalid, 6842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6822 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:32:57,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22023 states. [2025-04-13 22:32:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22023 to 16172. [2025-04-13 22:32:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16172 states, 16171 states have (on average 4.557170243027642) internal successors, (73694), 16171 states have internal predecessors, (73694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16172 states to 16172 states and 73694 transitions. [2025-04-13 22:32:58,100 INFO L79 Accepts]: Start accepts. Automaton has 16172 states and 73694 transitions. Word has length 64 [2025-04-13 22:32:58,101 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:32:58,101 INFO L485 AbstractCegarLoop]: Abstraction has 16172 states and 73694 transitions. [2025-04-13 22:32:58,101 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:32:58,101 INFO L278 IsEmpty]: Start isEmpty. Operand 16172 states and 73694 transitions. [2025-04-13 22:32:58,135 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:32:58,135 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:32:58,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:32:58,135 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-04-13 22:32:58,135 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:32:58,135 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:32:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1998191050, now seen corresponding path program 35 times [2025-04-13 22:32:58,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:32:58,136 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30183591] [2025-04-13 22:32:58,136 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:32:58,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:32:58,140 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:32:58,142 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:32:58,143 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:32:58,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:32:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:32:58,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:32:58,351 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30183591] [2025-04-13 22:32:58,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30183591] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:32:58,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:32:58,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:32:58,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642120237] [2025-04-13 22:32:58,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:32:58,351 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:32:58,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:32:58,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:32:58,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:32:58,351 INFO L87 Difference]: Start difference. First operand 16172 states and 73694 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:00,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:00,786 INFO L93 Difference]: Finished difference Result 22821 states and 103368 transitions. [2025-04-13 22:33:00,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:33:00,786 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:00,787 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:00,879 INFO L225 Difference]: With dead ends: 22821 [2025-04-13 22:33:00,879 INFO L226 Difference]: Without dead ends: 22379 [2025-04-13 22:33:00,888 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=357, Invalid=3303, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:33:00,888 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 884 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7069 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 7069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:00,888 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 0 Invalid, 7093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 7069 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:33:00,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22379 states. [2025-04-13 22:33:01,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22379 to 16182. [2025-04-13 22:33:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16182 states, 16181 states have (on average 4.555157283233422) internal successors, (73707), 16181 states have internal predecessors, (73707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16182 states to 16182 states and 73707 transitions. [2025-04-13 22:33:01,453 INFO L79 Accepts]: Start accepts. Automaton has 16182 states and 73707 transitions. Word has length 64 [2025-04-13 22:33:01,454 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:01,454 INFO L485 AbstractCegarLoop]: Abstraction has 16182 states and 73707 transitions. [2025-04-13 22:33:01,454 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:01,454 INFO L278 IsEmpty]: Start isEmpty. Operand 16182 states and 73707 transitions. [2025-04-13 22:33:01,488 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:01,488 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:01,488 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:01,488 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-04-13 22:33:01,488 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:01,488 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:01,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1577037468, now seen corresponding path program 36 times [2025-04-13 22:33:01,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:01,489 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693344668] [2025-04-13 22:33:01,489 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:33:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:01,493 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:01,495 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:01,496 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:33:01,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:01,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:01,699 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693344668] [2025-04-13 22:33:01,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693344668] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:01,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:01,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467841480] [2025-04-13 22:33:01,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:01,699 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:01,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:01,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:01,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:01,700 INFO L87 Difference]: Start difference. First operand 16182 states and 73707 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:04,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:04,172 INFO L93 Difference]: Finished difference Result 22107 states and 100420 transitions. [2025-04-13 22:33:04,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:33:04,173 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:04,173 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:04,401 INFO L225 Difference]: With dead ends: 22107 [2025-04-13 22:33:04,402 INFO L226 Difference]: Without dead ends: 21685 [2025-04-13 22:33:04,405 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=325, Invalid=2981, Unknown=0, NotChecked=0, Total=3306 [2025-04-13 22:33:04,406 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6910 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 6910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:04,406 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 0 Invalid, 6933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 6910 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:33:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21685 states. [2025-04-13 22:33:04,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21685 to 16232. [2025-04-13 22:33:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16232 states, 16231 states have (on average 4.553139054894954) internal successors, (73902), 16231 states have internal predecessors, (73902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16232 states to 16232 states and 73902 transitions. [2025-04-13 22:33:04,793 INFO L79 Accepts]: Start accepts. Automaton has 16232 states and 73902 transitions. Word has length 64 [2025-04-13 22:33:04,793 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:04,793 INFO L485 AbstractCegarLoop]: Abstraction has 16232 states and 73902 transitions. [2025-04-13 22:33:04,793 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:04,793 INFO L278 IsEmpty]: Start isEmpty. Operand 16232 states and 73902 transitions. [2025-04-13 22:33:04,824 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:04,825 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:04,825 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:04,825 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-04-13 22:33:04,825 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:04,826 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:04,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1622964292, now seen corresponding path program 37 times [2025-04-13 22:33:04,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:04,826 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488473708] [2025-04-13 22:33:04,826 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:33:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:04,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:04,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:04,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:33:04,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:05,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:05,053 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488473708] [2025-04-13 22:33:05,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488473708] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:05,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:05,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:05,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722082885] [2025-04-13 22:33:05,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:05,053 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:05,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:05,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:05,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:05,054 INFO L87 Difference]: Start difference. First operand 16232 states and 73902 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:07,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:07,601 INFO L93 Difference]: Finished difference Result 22386 states and 102088 transitions. [2025-04-13 22:33:07,601 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:33:07,601 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:07,601 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:07,709 INFO L225 Difference]: With dead ends: 22386 [2025-04-13 22:33:07,709 INFO L226 Difference]: Without dead ends: 21644 [2025-04-13 22:33:07,718 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=348, Invalid=3312, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:33:07,718 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 818 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6896 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:07,718 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 0 Invalid, 6921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 6896 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:33:07,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21644 states. [2025-04-13 22:33:08,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21644 to 16042. [2025-04-13 22:33:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16042 states, 16041 states have (on average 4.560625896141138) internal successors, (73157), 16041 states have internal predecessors, (73157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16042 states to 16042 states and 73157 transitions. [2025-04-13 22:33:08,235 INFO L79 Accepts]: Start accepts. Automaton has 16042 states and 73157 transitions. Word has length 64 [2025-04-13 22:33:08,235 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:08,235 INFO L485 AbstractCegarLoop]: Abstraction has 16042 states and 73157 transitions. [2025-04-13 22:33:08,235 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:08,235 INFO L278 IsEmpty]: Start isEmpty. Operand 16042 states and 73157 transitions. [2025-04-13 22:33:08,272 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:08,272 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:08,272 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:08,272 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-04-13 22:33:08,272 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:08,273 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:08,273 INFO L85 PathProgramCache]: Analyzing trace with hash 865285002, now seen corresponding path program 38 times [2025-04-13 22:33:08,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:08,273 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629537697] [2025-04-13 22:33:08,273 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:33:08,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:08,278 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:08,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:08,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:08,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:08,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:08,509 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629537697] [2025-04-13 22:33:08,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629537697] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:08,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:08,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:08,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625052744] [2025-04-13 22:33:08,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:08,510 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:08,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:08,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:08,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:08,510 INFO L87 Difference]: Start difference. First operand 16042 states and 73157 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:10,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:10,879 INFO L93 Difference]: Finished difference Result 21895 states and 99405 transitions. [2025-04-13 22:33:10,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-13 22:33:10,880 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:10,880 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:10,971 INFO L225 Difference]: With dead ends: 21895 [2025-04-13 22:33:10,971 INFO L226 Difference]: Without dead ends: 21223 [2025-04-13 22:33:10,981 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=285, Invalid=2577, Unknown=0, NotChecked=0, Total=2862 [2025-04-13 22:33:10,982 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6999 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:10,982 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 0 Invalid, 7017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6999 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:33:11,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21223 states. [2025-04-13 22:33:11,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21223 to 16222. [2025-04-13 22:33:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16222 states, 16221 states have (on average 4.554281486961346) internal successors, (73875), 16221 states have internal predecessors, (73875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16222 states to 16222 states and 73875 transitions. [2025-04-13 22:33:11,417 INFO L79 Accepts]: Start accepts. Automaton has 16222 states and 73875 transitions. Word has length 64 [2025-04-13 22:33:11,418 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:11,418 INFO L485 AbstractCegarLoop]: Abstraction has 16222 states and 73875 transitions. [2025-04-13 22:33:11,418 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:11,418 INFO L278 IsEmpty]: Start isEmpty. Operand 16222 states and 73875 transitions. [2025-04-13 22:33:11,450 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:11,450 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:11,450 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:11,450 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-04-13 22:33:11,450 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:11,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1221805078, now seen corresponding path program 39 times [2025-04-13 22:33:11,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:11,451 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69646160] [2025-04-13 22:33:11,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:33:11,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:11,455 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:11,458 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:11,458 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:33:11,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:11,687 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69646160] [2025-04-13 22:33:11,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69646160] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:11,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:11,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:11,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086624095] [2025-04-13 22:33:11,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:11,688 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:11,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:11,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:11,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:11,688 INFO L87 Difference]: Start difference. First operand 16222 states and 73875 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:14,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:14,118 INFO L93 Difference]: Finished difference Result 22729 states and 103209 transitions. [2025-04-13 22:33:14,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 22:33:14,118 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:14,118 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:14,220 INFO L225 Difference]: With dead ends: 22729 [2025-04-13 22:33:14,220 INFO L226 Difference]: Without dead ends: 22187 [2025-04-13 22:33:14,229 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=2784, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:33:14,230 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 812 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6926 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:14,230 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 0 Invalid, 6943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6926 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:33:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22187 states. [2025-04-13 22:33:14,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22187 to 16082. [2025-04-13 22:33:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16082 states, 16081 states have (on average 4.558485168832784) internal successors, (73305), 16081 states have internal predecessors, (73305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16082 states to 16082 states and 73305 transitions. [2025-04-13 22:33:14,624 INFO L79 Accepts]: Start accepts. Automaton has 16082 states and 73305 transitions. Word has length 64 [2025-04-13 22:33:14,624 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:14,624 INFO L485 AbstractCegarLoop]: Abstraction has 16082 states and 73305 transitions. [2025-04-13 22:33:14,624 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:14,624 INFO L278 IsEmpty]: Start isEmpty. Operand 16082 states and 73305 transitions. [2025-04-13 22:33:14,654 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:14,655 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:14,655 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:14,655 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-04-13 22:33:14,655 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:14,655 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:14,655 INFO L85 PathProgramCache]: Analyzing trace with hash 800651496, now seen corresponding path program 40 times [2025-04-13 22:33:14,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:14,655 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970705322] [2025-04-13 22:33:14,655 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:33:14,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:14,659 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:33:14,663 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:14,663 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:33:14,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:14,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:14,932 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970705322] [2025-04-13 22:33:14,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970705322] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:14,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:14,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:14,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903420717] [2025-04-13 22:33:14,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:14,932 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:14,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:14,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:14,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:14,932 INFO L87 Difference]: Start difference. First operand 16082 states and 73305 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:17,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:17,196 INFO L93 Difference]: Finished difference Result 21771 states and 98502 transitions. [2025-04-13 22:33:17,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-13 22:33:17,197 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:17,197 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:17,289 INFO L225 Difference]: With dead ends: 21771 [2025-04-13 22:33:17,289 INFO L226 Difference]: Without dead ends: 21154 [2025-04-13 22:33:17,296 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:33:17,296 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6383 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:17,296 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 0 Invalid, 6399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 6383 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:33:17,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21154 states. [2025-04-13 22:33:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21154 to 16062. [2025-04-13 22:33:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16061 states have (on average 4.558931573376502) internal successors, (73221), 16061 states have internal predecessors, (73221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 73221 transitions. [2025-04-13 22:33:17,678 INFO L79 Accepts]: Start accepts. Automaton has 16062 states and 73221 transitions. Word has length 64 [2025-04-13 22:33:17,678 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:17,678 INFO L485 AbstractCegarLoop]: Abstraction has 16062 states and 73221 transitions. [2025-04-13 22:33:17,678 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:17,678 INFO L278 IsEmpty]: Start isEmpty. Operand 16062 states and 73221 transitions. [2025-04-13 22:33:17,710 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:17,710 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:17,710 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:17,711 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-04-13 22:33:17,711 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:17,711 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2008740926, now seen corresponding path program 41 times [2025-04-13 22:33:17,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:17,711 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121323076] [2025-04-13 22:33:17,711 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:33:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:17,715 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:17,718 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:17,718 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:17,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:17,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:17,922 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121323076] [2025-04-13 22:33:17,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121323076] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:17,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:17,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:17,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205010233] [2025-04-13 22:33:17,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:17,923 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:17,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:17,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:17,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:17,923 INFO L87 Difference]: Start difference. First operand 16062 states and 73221 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:19,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:19,944 INFO L93 Difference]: Finished difference Result 20443 states and 92870 transitions. [2025-04-13 22:33:19,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-13 22:33:19,944 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:19,945 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:20,045 INFO L225 Difference]: With dead ends: 20443 [2025-04-13 22:33:20,046 INFO L226 Difference]: Without dead ends: 19451 [2025-04-13 22:33:20,054 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=2594, Unknown=0, NotChecked=0, Total=2862 [2025-04-13 22:33:20,054 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6188 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:20,054 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 0 Invalid, 6205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6188 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:33:20,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19451 states. [2025-04-13 22:33:20,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19451 to 15842. [2025-04-13 22:33:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15842 states, 15841 states have (on average 4.571491698756391) internal successors, (72417), 15841 states have internal predecessors, (72417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15842 states to 15842 states and 72417 transitions. [2025-04-13 22:33:20,531 INFO L79 Accepts]: Start accepts. Automaton has 15842 states and 72417 transitions. Word has length 64 [2025-04-13 22:33:20,531 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:20,531 INFO L485 AbstractCegarLoop]: Abstraction has 15842 states and 72417 transitions. [2025-04-13 22:33:20,532 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:20,532 INFO L278 IsEmpty]: Start isEmpty. Operand 15842 states and 72417 transitions. [2025-04-13 22:33:20,560 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:20,560 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:20,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:20,561 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-04-13 22:33:20,561 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:20,561 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:20,561 INFO L85 PathProgramCache]: Analyzing trace with hash 325854208, now seen corresponding path program 42 times [2025-04-13 22:33:20,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:20,561 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153454508] [2025-04-13 22:33:20,561 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:33:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:20,565 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:20,568 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:20,568 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:33:20,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:20,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:20,745 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153454508] [2025-04-13 22:33:20,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153454508] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:20,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:20,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:33:20,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283475433] [2025-04-13 22:33:20,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:20,746 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:33:20,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:20,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:33:20,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:33:20,746 INFO L87 Difference]: Start difference. First operand 15842 states and 72417 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:22,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:22,224 INFO L93 Difference]: Finished difference Result 18933 states and 86096 transitions. [2025-04-13 22:33:22,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:33:22,224 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:22,224 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:22,316 INFO L225 Difference]: With dead ends: 18933 [2025-04-13 22:33:22,316 INFO L226 Difference]: Without dead ends: 18431 [2025-04-13 22:33:22,324 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=1389, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:33:22,324 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 551 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4460 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:22,324 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 0 Invalid, 4462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4460 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:33:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18431 states. [2025-04-13 22:33:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18431 to 16492. [2025-04-13 22:33:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16492 states, 16491 states have (on average 4.55066399854466) internal successors, (75045), 16491 states have internal predecessors, (75045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16492 states to 16492 states and 75045 transitions. [2025-04-13 22:33:22,704 INFO L79 Accepts]: Start accepts. Automaton has 16492 states and 75045 transitions. Word has length 64 [2025-04-13 22:33:22,704 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:22,704 INFO L485 AbstractCegarLoop]: Abstraction has 16492 states and 75045 transitions. [2025-04-13 22:33:22,704 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:22,704 INFO L278 IsEmpty]: Start isEmpty. Operand 16492 states and 75045 transitions. [2025-04-13 22:33:22,735 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:22,735 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:22,735 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:22,735 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-04-13 22:33:22,735 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:22,736 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash -17884266, now seen corresponding path program 43 times [2025-04-13 22:33:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:22,736 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967046988] [2025-04-13 22:33:22,736 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:33:22,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:22,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:22,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:22,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:33:22,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:23,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:23,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967046988] [2025-04-13 22:33:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967046988] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:23,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:23,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:33:23,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367151999] [2025-04-13 22:33:23,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:23,001 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:33:23,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:23,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:33:23,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:33:23,001 INFO L87 Difference]: Start difference. First operand 16492 states and 75045 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:24,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:24,519 INFO L93 Difference]: Finished difference Result 19008 states and 86405 transitions. [2025-04-13 22:33:24,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:33:24,520 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:24,520 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:24,607 INFO L225 Difference]: With dead ends: 19008 [2025-04-13 22:33:24,607 INFO L226 Difference]: Without dead ends: 18381 [2025-04-13 22:33:24,615 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=1463, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:33:24,615 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 612 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:24,615 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 0 Invalid, 4617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:33:24,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18381 states. [2025-04-13 22:33:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18381 to 16442. [2025-04-13 22:33:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16442 states, 16441 states have (on average 4.550453135454048) internal successors, (74814), 16441 states have internal predecessors, (74814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16442 states to 16442 states and 74814 transitions. [2025-04-13 22:33:24,991 INFO L79 Accepts]: Start accepts. Automaton has 16442 states and 74814 transitions. Word has length 64 [2025-04-13 22:33:24,991 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:24,992 INFO L485 AbstractCegarLoop]: Abstraction has 16442 states and 74814 transitions. [2025-04-13 22:33:24,992 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:24,992 INFO L278 IsEmpty]: Start isEmpty. Operand 16442 states and 74814 transitions. [2025-04-13 22:33:25,024 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:25,025 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:25,025 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:25,025 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-04-13 22:33:25,025 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:25,026 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:25,026 INFO L85 PathProgramCache]: Analyzing trace with hash 39842030, now seen corresponding path program 44 times [2025-04-13 22:33:25,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:25,026 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393327528] [2025-04-13 22:33:25,026 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:33:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:25,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:25,033 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:25,033 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:25,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:25,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:25,230 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393327528] [2025-04-13 22:33:25,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393327528] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:25,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:25,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:33:25,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492204687] [2025-04-13 22:33:25,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:25,230 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:33:25,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:25,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:33:25,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:33:25,231 INFO L87 Difference]: Start difference. First operand 16442 states and 74814 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:26,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:26,932 INFO L93 Difference]: Finished difference Result 18808 states and 85531 transitions. [2025-04-13 22:33:26,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:33:26,932 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:26,932 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:27,018 INFO L225 Difference]: With dead ends: 18808 [2025-04-13 22:33:27,018 INFO L226 Difference]: Without dead ends: 17556 [2025-04-13 22:33:27,026 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=1538, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:33:27,026 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 630 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4700 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:27,027 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 0 Invalid, 4705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4700 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:33:27,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17556 states. [2025-04-13 22:33:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17556 to 15942. [2025-04-13 22:33:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15942 states, 15941 states have (on average 4.563954582523054) internal successors, (72754), 15941 states have internal predecessors, (72754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15942 states to 15942 states and 72754 transitions. [2025-04-13 22:33:27,368 INFO L79 Accepts]: Start accepts. Automaton has 15942 states and 72754 transitions. Word has length 64 [2025-04-13 22:33:27,369 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:27,369 INFO L485 AbstractCegarLoop]: Abstraction has 15942 states and 72754 transitions. [2025-04-13 22:33:27,369 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:27,369 INFO L278 IsEmpty]: Start isEmpty. Operand 15942 states and 72754 transitions. [2025-04-13 22:33:27,398 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:27,398 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:27,398 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:27,398 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-04-13 22:33:27,398 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:27,399 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:27,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1469873898, now seen corresponding path program 45 times [2025-04-13 22:33:27,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:27,399 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283364469] [2025-04-13 22:33:27,399 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:33:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:27,403 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:27,405 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:27,405 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:33:27,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:27,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:27,600 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283364469] [2025-04-13 22:33:27,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283364469] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:27,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:27,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:27,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370845054] [2025-04-13 22:33:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:27,601 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:27,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:27,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:27,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:27,601 INFO L87 Difference]: Start difference. First operand 15942 states and 72754 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:29,229 INFO L93 Difference]: Finished difference Result 19133 states and 86920 transitions. [2025-04-13 22:33:29,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-13 22:33:29,229 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:29,229 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:29,324 INFO L225 Difference]: With dead ends: 19133 [2025-04-13 22:33:29,324 INFO L226 Difference]: Without dead ends: 18631 [2025-04-13 22:33:29,332 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=1697, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:33:29,332 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 595 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4901 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:29,332 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 0 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 4901 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:33:29,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18631 states. [2025-04-13 22:33:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18631 to 16342. [2025-04-13 22:33:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16342 states, 16341 states have (on average 4.553087326357016) internal successors, (74402), 16341 states have internal predecessors, (74402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16342 states to 16342 states and 74402 transitions. [2025-04-13 22:33:29,802 INFO L79 Accepts]: Start accepts. Automaton has 16342 states and 74402 transitions. Word has length 64 [2025-04-13 22:33:29,802 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:29,802 INFO L485 AbstractCegarLoop]: Abstraction has 16342 states and 74402 transitions. [2025-04-13 22:33:29,802 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:29,803 INFO L278 IsEmpty]: Start isEmpty. Operand 16342 states and 74402 transitions. [2025-04-13 22:33:29,832 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:29,832 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:29,832 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:29,832 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-04-13 22:33:29,832 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:29,832 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 639827136, now seen corresponding path program 46 times [2025-04-13 22:33:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:29,832 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887161944] [2025-04-13 22:33:29,832 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:33:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:29,836 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:33:29,840 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:29,840 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:33:29,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:30,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:30,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887161944] [2025-04-13 22:33:30,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887161944] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:30,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:30,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:30,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028533277] [2025-04-13 22:33:30,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:30,095 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:30,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:30,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:30,095 INFO L87 Difference]: Start difference. First operand 16342 states and 74402 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:31,789 INFO L93 Difference]: Finished difference Result 19208 states and 87229 transitions. [2025-04-13 22:33:31,789 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:33:31,789 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:31,789 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:31,879 INFO L225 Difference]: With dead ends: 19208 [2025-04-13 22:33:31,880 INFO L226 Difference]: Without dead ends: 18581 [2025-04-13 22:33:31,887 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=1779, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:33:31,887 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 683 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5053 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:31,888 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 0 Invalid, 5063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5053 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:33:31,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18581 states. [2025-04-13 22:33:32,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18581 to 16292. [2025-04-13 22:33:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16292 states, 16291 states have (on average 4.552881959364066) internal successors, (74171), 16291 states have internal predecessors, (74171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16292 states to 16292 states and 74171 transitions. [2025-04-13 22:33:32,261 INFO L79 Accepts]: Start accepts. Automaton has 16292 states and 74171 transitions. Word has length 64 [2025-04-13 22:33:32,262 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:32,262 INFO L485 AbstractCegarLoop]: Abstraction has 16292 states and 74171 transitions. [2025-04-13 22:33:32,262 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:32,262 INFO L278 IsEmpty]: Start isEmpty. Operand 16292 states and 74171 transitions. [2025-04-13 22:33:32,365 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:32,365 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:32,365 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:32,366 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-04-13 22:33:32,366 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:32,366 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:32,366 INFO L85 PathProgramCache]: Analyzing trace with hash -511518872, now seen corresponding path program 47 times [2025-04-13 22:33:32,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:32,366 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129589719] [2025-04-13 22:33:32,366 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:33:32,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:32,370 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:32,372 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:32,372 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:32,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:32,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:32,607 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129589719] [2025-04-13 22:33:32,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129589719] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:32,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:32,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:32,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051271536] [2025-04-13 22:33:32,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:32,607 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:32,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:32,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:32,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:32,608 INFO L87 Difference]: Start difference. First operand 16292 states and 74171 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:34,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:34,425 INFO L93 Difference]: Finished difference Result 19133 states and 86895 transitions. [2025-04-13 22:33:34,425 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:33:34,425 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:34,425 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:34,507 INFO L225 Difference]: With dead ends: 19133 [2025-04-13 22:33:34,507 INFO L226 Difference]: Without dead ends: 18081 [2025-04-13 22:33:34,515 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=208, Invalid=1862, Unknown=0, NotChecked=0, Total=2070 [2025-04-13 22:33:34,515 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 676 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:34,516 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 0 Invalid, 5196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:33:34,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18081 states. [2025-04-13 22:33:34,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18081 to 15942. [2025-04-13 22:33:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15942 states, 15941 states have (on average 4.563954582523054) internal successors, (72754), 15941 states have internal predecessors, (72754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15942 states to 15942 states and 72754 transitions. [2025-04-13 22:33:34,880 INFO L79 Accepts]: Start accepts. Automaton has 15942 states and 72754 transitions. Word has length 64 [2025-04-13 22:33:34,880 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:34,880 INFO L485 AbstractCegarLoop]: Abstraction has 15942 states and 72754 transitions. [2025-04-13 22:33:34,880 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:34,880 INFO L278 IsEmpty]: Start isEmpty. Operand 15942 states and 72754 transitions. [2025-04-13 22:33:34,909 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:34,909 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:34,909 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:34,909 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-04-13 22:33:34,909 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:34,910 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1122400734, now seen corresponding path program 48 times [2025-04-13 22:33:34,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:34,910 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152161634] [2025-04-13 22:33:34,910 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:33:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:34,914 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:34,916 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:34,916 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:33:34,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:35,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:35,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152161634] [2025-04-13 22:33:35,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152161634] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:35,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:35,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:35,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976694222] [2025-04-13 22:33:35,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:35,110 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:35,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:35,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:35,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:35,110 INFO L87 Difference]: Start difference. First operand 15942 states and 72754 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:36,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:36,700 INFO L93 Difference]: Finished difference Result 18468 states and 83876 transitions. [2025-04-13 22:33:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:33:36,700 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:36,700 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:36,781 INFO L225 Difference]: With dead ends: 18468 [2025-04-13 22:33:36,781 INFO L226 Difference]: Without dead ends: 17966 [2025-04-13 22:33:36,789 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=1405, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:33:36,789 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 580 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4563 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:36,789 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 0 Invalid, 4566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4563 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:33:36,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17966 states. [2025-04-13 22:33:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17966 to 16342. [2025-04-13 22:33:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16342 states, 16341 states have (on average 4.550027538094364) internal successors, (74352), 16341 states have internal predecessors, (74352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16342 states to 16342 states and 74352 transitions. [2025-04-13 22:33:37,146 INFO L79 Accepts]: Start accepts. Automaton has 16342 states and 74352 transitions. Word has length 64 [2025-04-13 22:33:37,146 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:37,146 INFO L485 AbstractCegarLoop]: Abstraction has 16342 states and 74352 transitions. [2025-04-13 22:33:37,146 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:37,146 INFO L278 IsEmpty]: Start isEmpty. Operand 16342 states and 74352 transitions. [2025-04-13 22:33:37,175 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:37,176 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:37,176 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:37,176 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-04-13 22:33:37,176 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:37,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1371165654, now seen corresponding path program 49 times [2025-04-13 22:33:37,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:37,176 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27640577] [2025-04-13 22:33:37,176 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:33:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:37,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:37,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:37,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:33:37,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:37,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:37,378 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27640577] [2025-04-13 22:33:37,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27640577] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:37,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:37,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:37,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228563817] [2025-04-13 22:33:37,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:37,378 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:37,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:37,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:37,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:37,379 INFO L87 Difference]: Start difference. First operand 16342 states and 74352 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:38,923 INFO L93 Difference]: Finished difference Result 18543 states and 84185 transitions. [2025-04-13 22:33:38,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-13 22:33:38,924 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:38,924 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:39,011 INFO L225 Difference]: With dead ends: 18543 [2025-04-13 22:33:39,011 INFO L226 Difference]: Without dead ends: 17916 [2025-04-13 22:33:39,018 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=1405, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:33:39,019 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 596 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4730 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:39,019 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 0 Invalid, 4735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4730 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:33:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17916 states. [2025-04-13 22:33:39,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17916 to 16292. [2025-04-13 22:33:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16292 states, 16291 states have (on average 4.549812780062611) internal successors, (74121), 16291 states have internal predecessors, (74121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16292 states to 16292 states and 74121 transitions. [2025-04-13 22:33:39,466 INFO L79 Accepts]: Start accepts. Automaton has 16292 states and 74121 transitions. Word has length 64 [2025-04-13 22:33:39,467 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:39,467 INFO L485 AbstractCegarLoop]: Abstraction has 16292 states and 74121 transitions. [2025-04-13 22:33:39,467 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:39,467 INFO L278 IsEmpty]: Start isEmpty. Operand 16292 states and 74121 transitions. [2025-04-13 22:33:39,496 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:39,496 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:39,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:39,496 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2025-04-13 22:33:39,496 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:39,497 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:39,497 INFO L85 PathProgramCache]: Analyzing trace with hash 836388556, now seen corresponding path program 50 times [2025-04-13 22:33:39,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:39,497 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726803831] [2025-04-13 22:33:39,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:33:39,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:39,501 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:39,503 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:39,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:39,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:39,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:39,702 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726803831] [2025-04-13 22:33:39,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726803831] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:39,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:39,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:39,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637720755] [2025-04-13 22:33:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:39,702 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:39,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:39,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:39,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:39,702 INFO L87 Difference]: Start difference. First operand 16292 states and 74121 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:41,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:41,272 INFO L93 Difference]: Finished difference Result 18468 states and 83851 transitions. [2025-04-13 22:33:41,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:33:41,273 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:41,273 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:41,365 INFO L225 Difference]: With dead ends: 18468 [2025-04-13 22:33:41,365 INFO L226 Difference]: Without dead ends: 17266 [2025-04-13 22:33:41,374 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=1405, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:33:41,374 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 527 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4903 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:41,374 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 0 Invalid, 4908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4903 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:33:41,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17266 states. [2025-04-13 22:33:41,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17266 to 15842. [2025-04-13 22:33:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15842 states, 15841 states have (on average 4.568966605643583) internal successors, (72377), 15841 states have internal predecessors, (72377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15842 states to 15842 states and 72377 transitions. [2025-04-13 22:33:41,733 INFO L79 Accepts]: Start accepts. Automaton has 15842 states and 72377 transitions. Word has length 64 [2025-04-13 22:33:41,733 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:41,733 INFO L485 AbstractCegarLoop]: Abstraction has 15842 states and 72377 transitions. [2025-04-13 22:33:41,733 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:41,733 INFO L278 IsEmpty]: Start isEmpty. Operand 15842 states and 72377 transitions. [2025-04-13 22:33:41,762 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:41,762 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:41,762 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:41,762 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2025-04-13 22:33:41,762 INFO L403 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:41,762 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:41,762 INFO L85 PathProgramCache]: Analyzing trace with hash 608286740, now seen corresponding path program 51 times [2025-04-13 22:33:41,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:41,763 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351623544] [2025-04-13 22:33:41,763 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:33:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:41,766 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:41,769 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:41,769 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:33:41,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:42,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:42,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351623544] [2025-04-13 22:33:42,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351623544] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:42,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:42,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:42,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983773462] [2025-04-13 22:33:42,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:42,030 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:42,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:42,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:42,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:42,031 INFO L87 Difference]: Start difference. First operand 15842 states and 72377 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:43,891 INFO L93 Difference]: Finished difference Result 19925 states and 91057 transitions. [2025-04-13 22:33:43,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-13 22:33:43,892 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:43,892 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:43,980 INFO L225 Difference]: With dead ends: 19925 [2025-04-13 22:33:43,980 INFO L226 Difference]: Without dead ends: 19423 [2025-04-13 22:33:43,988 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=2289, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:33:43,988 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 663 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5338 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:43,988 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 0 Invalid, 5349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5338 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:33:44,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19423 states. [2025-04-13 22:33:44,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19423 to 16272. [2025-04-13 22:33:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16272 states, 16271 states have (on average 4.560137668244115) internal successors, (74198), 16271 states have internal predecessors, (74198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16272 states to 16272 states and 74198 transitions. [2025-04-13 22:33:44,380 INFO L79 Accepts]: Start accepts. Automaton has 16272 states and 74198 transitions. Word has length 64 [2025-04-13 22:33:44,381 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:44,381 INFO L485 AbstractCegarLoop]: Abstraction has 16272 states and 74198 transitions. [2025-04-13 22:33:44,381 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:44,381 INFO L278 IsEmpty]: Start isEmpty. Operand 16272 states and 74198 transitions. [2025-04-13 22:33:44,410 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:44,410 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:44,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:44,411 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2025-04-13 22:33:44,411 INFO L403 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:44,411 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1533440672, now seen corresponding path program 52 times [2025-04-13 22:33:44,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:44,411 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111940696] [2025-04-13 22:33:44,411 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:33:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:44,415 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:33:44,418 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:44,418 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:33:44,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:44,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:44,659 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111940696] [2025-04-13 22:33:44,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111940696] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:44,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:44,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389888336] [2025-04-13 22:33:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:44,660 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:44,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:44,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:44,660 INFO L87 Difference]: Start difference. First operand 16272 states and 74198 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:46,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:46,980 INFO L93 Difference]: Finished difference Result 21320 states and 97756 transitions. [2025-04-13 22:33:46,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:33:46,981 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:46,981 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:47,072 INFO L225 Difference]: With dead ends: 21320 [2025-04-13 22:33:47,072 INFO L226 Difference]: Without dead ends: 20693 [2025-04-13 22:33:47,081 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=362, Invalid=3178, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:33:47,082 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 815 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:47,082 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 0 Invalid, 6377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:33:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20693 states. [2025-04-13 22:33:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20693 to 16222. [2025-04-13 22:33:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16222 states, 16221 states have (on average 4.559953147154923) internal successors, (73967), 16221 states have internal predecessors, (73967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16222 states to 16222 states and 73967 transitions. [2025-04-13 22:33:47,520 INFO L79 Accepts]: Start accepts. Automaton has 16222 states and 73967 transitions. Word has length 64 [2025-04-13 22:33:47,520 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:47,520 INFO L485 AbstractCegarLoop]: Abstraction has 16222 states and 73967 transitions. [2025-04-13 22:33:47,520 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:47,520 INFO L278 IsEmpty]: Start isEmpty. Operand 16222 states and 73967 transitions. [2025-04-13 22:33:47,550 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:47,550 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:47,550 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:47,550 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2025-04-13 22:33:47,550 INFO L403 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:47,551 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:47,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1566641766, now seen corresponding path program 53 times [2025-04-13 22:33:47,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:47,551 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277988013] [2025-04-13 22:33:47,551 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:33:47,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:47,555 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:47,558 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:47,558 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:47,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:47,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:47,759 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277988013] [2025-04-13 22:33:47,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277988013] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:47,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:33:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768094384] [2025-04-13 22:33:47,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:47,760 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:33:47,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:47,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:33:47,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:33:47,760 INFO L87 Difference]: Start difference. First operand 16222 states and 73967 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:50,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:50,106 INFO L93 Difference]: Finished difference Result 21250 states and 97434 transitions. [2025-04-13 22:33:50,106 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:33:50,106 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:50,107 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:50,196 INFO L225 Difference]: With dead ends: 21250 [2025-04-13 22:33:50,196 INFO L226 Difference]: Without dead ends: 20298 [2025-04-13 22:33:50,202 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=2968, Unknown=0, NotChecked=0, Total=3306 [2025-04-13 22:33:50,203 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 805 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6268 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 6268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:50,203 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 0 Invalid, 6283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 6268 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:33:50,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20298 states. [2025-04-13 22:33:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20298 to 16022. [2025-04-13 22:33:50,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16022 states, 16021 states have (on average 4.563572810685975) internal successors, (73113), 16021 states have internal predecessors, (73113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16022 states to 16022 states and 73113 transitions. [2025-04-13 22:33:50,600 INFO L79 Accepts]: Start accepts. Automaton has 16022 states and 73113 transitions. Word has length 64 [2025-04-13 22:33:50,600 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:50,600 INFO L485 AbstractCegarLoop]: Abstraction has 16022 states and 73113 transitions. [2025-04-13 22:33:50,600 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:50,600 INFO L278 IsEmpty]: Start isEmpty. Operand 16022 states and 73113 transitions. [2025-04-13 22:33:50,631 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:50,631 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:50,631 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:50,632 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-04-13 22:33:50,632 INFO L403 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:50,632 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:50,632 INFO L85 PathProgramCache]: Analyzing trace with hash -22162370, now seen corresponding path program 54 times [2025-04-13 22:33:50,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:50,632 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442752464] [2025-04-13 22:33:50,632 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:33:50,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:50,636 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:50,639 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:50,639 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:33:50,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:50,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:50,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442752464] [2025-04-13 22:33:50,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442752464] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:50,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:50,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:50,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318782655] [2025-04-13 22:33:50,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:50,854 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:50,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:50,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:50,854 INFO L87 Difference]: Start difference. First operand 16022 states and 73113 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:52,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:52,861 INFO L93 Difference]: Finished difference Result 20051 states and 91357 transitions. [2025-04-13 22:33:52,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-13 22:33:52,861 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:52,861 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:52,961 INFO L225 Difference]: With dead ends: 20051 [2025-04-13 22:33:52,961 INFO L226 Difference]: Without dead ends: 19629 [2025-04-13 22:33:52,968 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=2302, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:33:52,969 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 679 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5903 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:52,969 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 0 Invalid, 5918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5903 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:33:52,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19629 states. [2025-04-13 22:33:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19629 to 16122. [2025-04-13 22:33:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16122 states, 16121 states have (on average 4.562558153960673) internal successors, (73553), 16121 states have internal predecessors, (73553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16122 states to 16122 states and 73553 transitions. [2025-04-13 22:33:53,421 INFO L79 Accepts]: Start accepts. Automaton has 16122 states and 73553 transitions. Word has length 64 [2025-04-13 22:33:53,421 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:53,421 INFO L485 AbstractCegarLoop]: Abstraction has 16122 states and 73553 transitions. [2025-04-13 22:33:53,421 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:53,421 INFO L278 IsEmpty]: Start isEmpty. Operand 16122 states and 73553 transitions. [2025-04-13 22:33:53,450 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:53,451 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:53,451 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:53,451 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-04-13 22:33:53,451 INFO L403 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:53,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:53,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2056316234, now seen corresponding path program 55 times [2025-04-13 22:33:53,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:53,451 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848638029] [2025-04-13 22:33:53,451 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:33:53,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:53,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:53,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:53,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:33:53,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:53,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:53,664 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848638029] [2025-04-13 22:33:53,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848638029] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:53,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:53,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:53,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908006552] [2025-04-13 22:33:53,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:53,665 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:53,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:53,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:53,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:53,665 INFO L87 Difference]: Start difference. First operand 16122 states and 73553 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:55,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:55,637 INFO L93 Difference]: Finished difference Result 20031 states and 91205 transitions. [2025-04-13 22:33:55,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-13 22:33:55,638 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:55,638 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:55,744 INFO L225 Difference]: With dead ends: 20031 [2025-04-13 22:33:55,744 INFO L226 Difference]: Without dead ends: 19589 [2025-04-13 22:33:55,752 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=2299, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:33:55,752 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 707 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5807 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:55,752 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 0 Invalid, 5822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5807 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:33:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19589 states. [2025-04-13 22:33:56,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19589 to 16082. [2025-04-13 22:33:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16082 states, 16081 states have (on average 4.562216280082084) internal successors, (73365), 16081 states have internal predecessors, (73365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16082 states to 16082 states and 73365 transitions. [2025-04-13 22:33:56,320 INFO L79 Accepts]: Start accepts. Automaton has 16082 states and 73365 transitions. Word has length 64 [2025-04-13 22:33:56,320 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:56,320 INFO L485 AbstractCegarLoop]: Abstraction has 16082 states and 73365 transitions. [2025-04-13 22:33:56,320 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:56,320 INFO L278 IsEmpty]: Start isEmpty. Operand 16082 states and 73365 transitions. [2025-04-13 22:33:56,351 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:56,352 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:56,352 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:56,352 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2025-04-13 22:33:56,352 INFO L403 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:56,352 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:56,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1152002160, now seen corresponding path program 56 times [2025-04-13 22:33:56,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:56,352 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865199924] [2025-04-13 22:33:56,352 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:33:56,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:56,356 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:56,359 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:56,359 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:33:56,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:56,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:56,570 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865199924] [2025-04-13 22:33:56,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865199924] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:56,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:56,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:56,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288593754] [2025-04-13 22:33:56,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:56,571 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:56,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:56,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:56,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:56,572 INFO L87 Difference]: Start difference. First operand 16082 states and 73365 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:58,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:33:58,516 INFO L93 Difference]: Finished difference Result 19589 states and 89467 transitions. [2025-04-13 22:33:58,516 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-13 22:33:58,516 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:33:58,516 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:33:58,616 INFO L225 Difference]: With dead ends: 19589 [2025-04-13 22:33:58,616 INFO L226 Difference]: Without dead ends: 19047 [2025-04-13 22:33:58,624 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=2300, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:33:58,624 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 656 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5788 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:33:58,624 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 0 Invalid, 5804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5788 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:33:58,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19047 states. [2025-04-13 22:33:58,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19047 to 16092. [2025-04-13 22:33:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16092 states, 16091 states have (on average 4.560188925486297) internal successors, (73378), 16091 states have internal predecessors, (73378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16092 states to 16092 states and 73378 transitions. [2025-04-13 22:33:59,012 INFO L79 Accepts]: Start accepts. Automaton has 16092 states and 73378 transitions. Word has length 64 [2025-04-13 22:33:59,013 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:33:59,013 INFO L485 AbstractCegarLoop]: Abstraction has 16092 states and 73378 transitions. [2025-04-13 22:33:59,013 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:33:59,013 INFO L278 IsEmpty]: Start isEmpty. Operand 16092 states and 73378 transitions. [2025-04-13 22:33:59,199 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:33:59,199 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:33:59,199 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:33:59,199 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2025-04-13 22:33:59,199 INFO L403 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:33:59,200 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:33:59,200 INFO L85 PathProgramCache]: Analyzing trace with hash 578909664, now seen corresponding path program 57 times [2025-04-13 22:33:59,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:33:59,200 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294230932] [2025-04-13 22:33:59,200 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:33:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:33:59,204 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:33:59,206 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:33:59,206 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:33:59,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:33:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:33:59,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:33:59,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294230932] [2025-04-13 22:33:59,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294230932] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:33:59,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:33:59,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:33:59,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059960587] [2025-04-13 22:33:59,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:33:59,413 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:33:59,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:33:59,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:33:59,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:33:59,413 INFO L87 Difference]: Start difference. First operand 16092 states and 73378 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:01,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:01,774 INFO L93 Difference]: Finished difference Result 21313 states and 96982 transitions. [2025-04-13 22:34:01,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-13 22:34:01,774 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:01,775 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:01,874 INFO L225 Difference]: With dead ends: 21313 [2025-04-13 22:34:01,874 INFO L226 Difference]: Without dead ends: 20891 [2025-04-13 22:34:01,883 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=317, Invalid=2875, Unknown=0, NotChecked=0, Total=3192 [2025-04-13 22:34:01,883 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 806 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6677 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:01,883 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 0 Invalid, 6696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6677 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:34:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20891 states. [2025-04-13 22:34:02,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20891 to 16152. [2025-04-13 22:34:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16152 states, 16151 states have (on average 4.558850845148907) internal successors, (73630), 16151 states have internal predecessors, (73630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16152 states to 16152 states and 73630 transitions. [2025-04-13 22:34:02,474 INFO L79 Accepts]: Start accepts. Automaton has 16152 states and 73630 transitions. Word has length 64 [2025-04-13 22:34:02,475 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:02,475 INFO L485 AbstractCegarLoop]: Abstraction has 16152 states and 73630 transitions. [2025-04-13 22:34:02,475 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:02,475 INFO L278 IsEmpty]: Start isEmpty. Operand 16152 states and 73630 transitions. [2025-04-13 22:34:02,508 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:02,508 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:02,508 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:02,508 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2025-04-13 22:34:02,508 INFO L403 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:02,509 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:02,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1858975508, now seen corresponding path program 58 times [2025-04-13 22:34:02,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:02,509 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382935737] [2025-04-13 22:34:02,509 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:34:02,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:02,513 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:34:02,517 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:02,517 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:34:02,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:02,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:02,819 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382935737] [2025-04-13 22:34:02,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382935737] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:02,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:02,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:02,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187174391] [2025-04-13 22:34:02,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:02,820 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:02,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:02,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:02,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:02,820 INFO L87 Difference]: Start difference. First operand 16152 states and 73630 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:05,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:05,285 INFO L93 Difference]: Finished difference Result 21589 states and 98258 transitions. [2025-04-13 22:34:05,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:34:05,286 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:05,286 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:05,391 INFO L225 Difference]: With dead ends: 21589 [2025-04-13 22:34:05,392 INFO L226 Difference]: Without dead ends: 21147 [2025-04-13 22:34:05,397 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=362, Invalid=3420, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:34:05,397 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 869 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6917 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:05,397 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 0 Invalid, 6939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6917 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:34:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21147 states. [2025-04-13 22:34:05,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21147 to 16162. [2025-04-13 22:34:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16162 states, 16161 states have (on average 4.556834354309758) internal successors, (73643), 16161 states have internal predecessors, (73643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16162 states to 16162 states and 73643 transitions. [2025-04-13 22:34:05,783 INFO L79 Accepts]: Start accepts. Automaton has 16162 states and 73643 transitions. Word has length 64 [2025-04-13 22:34:05,784 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:05,784 INFO L485 AbstractCegarLoop]: Abstraction has 16162 states and 73643 transitions. [2025-04-13 22:34:05,784 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:05,784 INFO L278 IsEmpty]: Start isEmpty. Operand 16162 states and 73643 transitions. [2025-04-13 22:34:05,813 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:05,813 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:05,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:05,813 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2025-04-13 22:34:05,814 INFO L403 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:05,814 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash 514276158, now seen corresponding path program 59 times [2025-04-13 22:34:05,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:05,814 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655920480] [2025-04-13 22:34:05,814 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:34:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:05,818 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:05,821 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:05,821 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:34:05,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:06,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:06,021 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655920480] [2025-04-13 22:34:06,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655920480] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:06,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:06,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:06,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351336196] [2025-04-13 22:34:06,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:06,022 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:06,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:06,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:06,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:06,022 INFO L87 Difference]: Start difference. First operand 16162 states and 73643 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:08,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:08,389 INFO L93 Difference]: Finished difference Result 20975 states and 95722 transitions. [2025-04-13 22:34:08,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:34:08,389 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:08,389 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:08,481 INFO L225 Difference]: With dead ends: 20975 [2025-04-13 22:34:08,481 INFO L226 Difference]: Without dead ends: 20553 [2025-04-13 22:34:08,490 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=3202, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:34:08,490 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 754 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6739 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:08,491 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 0 Invalid, 6761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6739 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:34:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20553 states. [2025-04-13 22:34:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20553 to 16212. [2025-04-13 22:34:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16212 states, 16211 states have (on average 4.554808463389056) internal successors, (73838), 16211 states have internal predecessors, (73838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16212 states to 16212 states and 73838 transitions. [2025-04-13 22:34:08,870 INFO L79 Accepts]: Start accepts. Automaton has 16212 states and 73838 transitions. Word has length 64 [2025-04-13 22:34:08,871 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:08,871 INFO L485 AbstractCegarLoop]: Abstraction has 16212 states and 73838 transitions. [2025-04-13 22:34:08,871 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:08,871 INFO L278 IsEmpty]: Start isEmpty. Operand 16212 states and 73838 transitions. [2025-04-13 22:34:08,900 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:08,900 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:08,900 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:08,900 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2025-04-13 22:34:08,900 INFO L403 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:08,901 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1185163554, now seen corresponding path program 60 times [2025-04-13 22:34:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:08,901 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666383193] [2025-04-13 22:34:08,901 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:34:08,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:08,905 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:08,907 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:08,907 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:34:08,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:09,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:09,106 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666383193] [2025-04-13 22:34:09,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666383193] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:09,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:09,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:09,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265761879] [2025-04-13 22:34:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:09,106 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:09,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:09,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:09,107 INFO L87 Difference]: Start difference. First operand 16212 states and 73838 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:11,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:11,471 INFO L93 Difference]: Finished difference Result 21129 states and 96850 transitions. [2025-04-13 22:34:11,471 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:34:11,471 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:11,471 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:11,567 INFO L225 Difference]: With dead ends: 21129 [2025-04-13 22:34:11,567 INFO L226 Difference]: Without dead ends: 20387 [2025-04-13 22:34:11,576 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 955 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=361, Invalid=3545, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:34:11,576 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 794 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6699 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:11,576 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 0 Invalid, 6723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6699 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:34:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20387 states. [2025-04-13 22:34:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20387 to 16022. [2025-04-13 22:34:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16022 states, 16021 states have (on average 4.562324449160477) internal successors, (73093), 16021 states have internal predecessors, (73093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16022 states to 16022 states and 73093 transitions. [2025-04-13 22:34:12,107 INFO L79 Accepts]: Start accepts. Automaton has 16022 states and 73093 transitions. Word has length 64 [2025-04-13 22:34:12,107 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:12,107 INFO L485 AbstractCegarLoop]: Abstraction has 16022 states and 73093 transitions. [2025-04-13 22:34:12,107 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:12,108 INFO L278 IsEmpty]: Start isEmpty. Operand 16022 states and 73093 transitions. [2025-04-13 22:34:12,140 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:12,140 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:12,140 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:12,140 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2025-04-13 22:34:12,140 INFO L403 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:12,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:12,141 INFO L85 PathProgramCache]: Analyzing trace with hash -197476308, now seen corresponding path program 61 times [2025-04-13 22:34:12,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:12,141 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904862037] [2025-04-13 22:34:12,141 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:34:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:12,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:12,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:12,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:34:12,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:12,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:12,348 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904862037] [2025-04-13 22:34:12,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904862037] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:12,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:12,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:12,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467174991] [2025-04-13 22:34:12,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:12,349 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:12,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:12,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:12,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:12,349 INFO L87 Difference]: Start difference. First operand 16022 states and 73093 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:14,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:14,783 INFO L93 Difference]: Finished difference Result 21145 states and 96085 transitions. [2025-04-13 22:34:14,783 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:34:14,784 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:14,784 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:14,917 INFO L225 Difference]: With dead ends: 21145 [2025-04-13 22:34:14,918 INFO L226 Difference]: Without dead ends: 20473 [2025-04-13 22:34:14,924 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=2584, Unknown=0, NotChecked=0, Total=2862 [2025-04-13 22:34:14,924 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 798 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6859 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:14,924 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 0 Invalid, 6876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6859 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:34:14,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20473 states. [2025-04-13 22:34:15,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20473 to 16202. [2025-04-13 22:34:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16202 states, 16201 states have (on average 4.555953336213814) internal successors, (73811), 16201 states have internal predecessors, (73811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16202 states to 16202 states and 73811 transitions. [2025-04-13 22:34:15,345 INFO L79 Accepts]: Start accepts. Automaton has 16202 states and 73811 transitions. Word has length 64 [2025-04-13 22:34:15,345 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:15,346 INFO L485 AbstractCegarLoop]: Abstraction has 16202 states and 73811 transitions. [2025-04-13 22:34:15,346 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:15,346 INFO L278 IsEmpty]: Start isEmpty. Operand 16202 states and 73811 transitions. [2025-04-13 22:34:15,376 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:15,377 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:15,377 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:15,377 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2025-04-13 22:34:15,377 INFO L403 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:15,377 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1659605816, now seen corresponding path program 62 times [2025-04-13 22:34:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:15,378 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606166267] [2025-04-13 22:34:15,378 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:34:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:15,382 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:15,385 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:15,385 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:34:15,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:15,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606166267] [2025-04-13 22:34:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606166267] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:15,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:15,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:15,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892073771] [2025-04-13 22:34:15,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:15,596 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:15,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:15,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:15,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:15,596 INFO L87 Difference]: Start difference. First operand 16202 states and 73811 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:18,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:18,018 INFO L93 Difference]: Finished difference Result 21879 states and 99477 transitions. [2025-04-13 22:34:18,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:34:18,018 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:18,018 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:18,122 INFO L225 Difference]: With dead ends: 21879 [2025-04-13 22:34:18,122 INFO L226 Difference]: Without dead ends: 21337 [2025-04-13 22:34:18,132 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=289, Invalid=2791, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:34:18,132 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 803 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6783 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:18,132 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 0 Invalid, 6799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 6783 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:34:18,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21337 states. [2025-04-13 22:34:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21337 to 16062. [2025-04-13 22:34:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16062 states, 16061 states have (on average 4.560176825851442) internal successors, (73241), 16061 states have internal predecessors, (73241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 73241 transitions. [2025-04-13 22:34:18,549 INFO L79 Accepts]: Start accepts. Automaton has 16062 states and 73241 transitions. Word has length 64 [2025-04-13 22:34:18,549 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:18,549 INFO L485 AbstractCegarLoop]: Abstraction has 16062 states and 73241 transitions. [2025-04-13 22:34:18,549 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:18,550 INFO L278 IsEmpty]: Start isEmpty. Operand 16062 states and 73241 transitions. [2025-04-13 22:34:18,578 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:18,578 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:18,579 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:18,579 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2025-04-13 22:34:18,579 INFO L403 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:18,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:18,579 INFO L85 PathProgramCache]: Analyzing trace with hash -262109814, now seen corresponding path program 63 times [2025-04-13 22:34:18,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:18,579 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521479802] [2025-04-13 22:34:18,579 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:34:18,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:18,583 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:18,586 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:18,587 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:34:18,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:18,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:18,852 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521479802] [2025-04-13 22:34:18,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521479802] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:18,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:18,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:18,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130448033] [2025-04-13 22:34:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:18,852 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:18,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:18,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:18,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:18,852 INFO L87 Difference]: Start difference. First operand 16062 states and 73241 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:21,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:21,018 INFO L93 Difference]: Finished difference Result 20192 states and 91954 transitions. [2025-04-13 22:34:21,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:34:21,018 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:21,018 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:21,110 INFO L225 Difference]: With dead ends: 20192 [2025-04-13 22:34:21,110 INFO L226 Difference]: Without dead ends: 19575 [2025-04-13 22:34:21,118 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=283, Invalid=2687, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:34:21,118 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 761 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6084 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 6084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:21,118 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 0 Invalid, 6099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 6084 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:34:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19575 states. [2025-04-13 22:34:21,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19575 to 16042. [2025-04-13 22:34:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16042 states, 16041 states have (on average 4.560625896141138) internal successors, (73157), 16041 states have internal predecessors, (73157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16042 states to 16042 states and 73157 transitions. [2025-04-13 22:34:21,509 INFO L79 Accepts]: Start accepts. Automaton has 16042 states and 73157 transitions. Word has length 64 [2025-04-13 22:34:21,509 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:21,509 INFO L485 AbstractCegarLoop]: Abstraction has 16042 states and 73157 transitions. [2025-04-13 22:34:21,509 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:21,509 INFO L278 IsEmpty]: Start isEmpty. Operand 16042 states and 73157 transitions. [2025-04-13 22:34:21,539 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:21,539 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:21,539 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:21,539 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2025-04-13 22:34:21,539 INFO L403 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:21,540 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:21,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1848425632, now seen corresponding path program 64 times [2025-04-13 22:34:21,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:21,540 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967097675] [2025-04-13 22:34:21,540 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:34:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:21,544 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:34:21,547 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:21,547 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:34:21,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:21,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:21,871 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967097675] [2025-04-13 22:34:21,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967097675] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:21,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:21,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891837903] [2025-04-13 22:34:21,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:21,872 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:21,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:21,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:21,872 INFO L87 Difference]: Start difference. First operand 16042 states and 73157 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:23,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:23,749 INFO L93 Difference]: Finished difference Result 19091 states and 87083 transitions. [2025-04-13 22:34:23,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-13 22:34:23,749 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:23,749 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:23,838 INFO L225 Difference]: With dead ends: 19091 [2025-04-13 22:34:23,838 INFO L226 Difference]: Without dead ends: 18179 [2025-04-13 22:34:23,846 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=2304, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:34:23,846 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 665 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5627 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:23,846 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 0 Invalid, 5642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5627 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:34:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18179 states. [2025-04-13 22:34:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18179 to 15902. [2025-04-13 22:34:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15902 states, 15901 states have (on average 4.56631658386265) internal successors, (72609), 15901 states have internal predecessors, (72609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15902 states to 15902 states and 72609 transitions. [2025-04-13 22:34:24,214 INFO L79 Accepts]: Start accepts. Automaton has 15902 states and 72609 transitions. Word has length 64 [2025-04-13 22:34:24,214 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:24,214 INFO L485 AbstractCegarLoop]: Abstraction has 15902 states and 72609 transitions. [2025-04-13 22:34:24,214 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:24,214 INFO L278 IsEmpty]: Start isEmpty. Operand 15902 states and 72609 transitions. [2025-04-13 22:34:24,243 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:24,244 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:24,244 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:24,244 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2025-04-13 22:34:24,244 INFO L403 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:24,244 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:24,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1536596520, now seen corresponding path program 65 times [2025-04-13 22:34:24,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:24,244 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549050319] [2025-04-13 22:34:24,244 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:34:24,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:24,248 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:24,251 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:24,251 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:34:24,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:24,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:24,522 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549050319] [2025-04-13 22:34:24,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549050319] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:24,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:24,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:34:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981968507] [2025-04-13 22:34:24,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:24,523 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:34:24,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:24,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:34:24,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:34:24,523 INFO L87 Difference]: Start difference. First operand 15902 states and 72609 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:26,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:26,036 INFO L93 Difference]: Finished difference Result 18128 states and 82495 transitions. [2025-04-13 22:34:26,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:34:26,036 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:26,036 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:26,125 INFO L225 Difference]: With dead ends: 18128 [2025-04-13 22:34:26,126 INFO L226 Difference]: Without dead ends: 17626 [2025-04-13 22:34:26,133 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1328, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:34:26,134 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4423 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:26,134 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 0 Invalid, 4427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4423 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:34:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17626 states. [2025-04-13 22:34:26,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17626 to 16302. [2025-04-13 22:34:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16302 states, 16301 states have (on average 4.552297405067174) internal successors, (74207), 16301 states have internal predecessors, (74207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16302 states to 16302 states and 74207 transitions. [2025-04-13 22:34:26,514 INFO L79 Accepts]: Start accepts. Automaton has 16302 states and 74207 transitions. Word has length 64 [2025-04-13 22:34:26,514 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:26,514 INFO L485 AbstractCegarLoop]: Abstraction has 16302 states and 74207 transitions. [2025-04-13 22:34:26,514 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:26,515 INFO L278 IsEmpty]: Start isEmpty. Operand 16302 states and 74207 transitions. [2025-04-13 22:34:26,545 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:26,545 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:26,545 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:26,545 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2025-04-13 22:34:26,545 INFO L403 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:26,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:26,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1696668000, now seen corresponding path program 66 times [2025-04-13 22:34:26,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:26,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321212812] [2025-04-13 22:34:26,546 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:34:26,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:26,549 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:26,552 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:26,552 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:34:26,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:26,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321212812] [2025-04-13 22:34:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321212812] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:26,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:26,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:34:26,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72882823] [2025-04-13 22:34:26,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:26,747 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:34:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:26,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:34:26,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:34:26,747 INFO L87 Difference]: Start difference. First operand 16302 states and 74207 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:28,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:28,373 INFO L93 Difference]: Finished difference Result 18203 states and 82804 transitions. [2025-04-13 22:34:28,374 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:34:28,374 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:28,374 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:28,461 INFO L225 Difference]: With dead ends: 18203 [2025-04-13 22:34:28,461 INFO L226 Difference]: Without dead ends: 17576 [2025-04-13 22:34:28,469 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1328, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:34:28,469 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 587 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4576 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:28,469 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 0 Invalid, 4582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4576 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:34:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17576 states. [2025-04-13 22:34:28,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17576 to 16252. [2025-04-13 22:34:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 16251 states have (on average 4.552089102209095) internal successors, (73976), 16251 states have internal predecessors, (73976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 73976 transitions. [2025-04-13 22:34:28,854 INFO L79 Accepts]: Start accepts. Automaton has 16252 states and 73976 transitions. Word has length 64 [2025-04-13 22:34:28,854 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:28,854 INFO L485 AbstractCegarLoop]: Abstraction has 16252 states and 73976 transitions. [2025-04-13 22:34:28,854 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:28,854 INFO L278 IsEmpty]: Start isEmpty. Operand 16252 states and 73976 transitions. [2025-04-13 22:34:28,884 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:28,884 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:28,884 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:28,884 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2025-04-13 22:34:28,884 INFO L403 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:28,885 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash -578241494, now seen corresponding path program 67 times [2025-04-13 22:34:28,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:28,885 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702516926] [2025-04-13 22:34:28,885 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:34:28,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:28,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:28,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:28,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:34:28,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:29,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:29,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702516926] [2025-04-13 22:34:29,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702516926] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:29,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:29,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:34:29,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654968942] [2025-04-13 22:34:29,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:29,096 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:34:29,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:29,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:34:29,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:34:29,096 INFO L87 Difference]: Start difference. First operand 16252 states and 73976 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:30,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:30,671 INFO L93 Difference]: Finished difference Result 18128 states and 82470 transitions. [2025-04-13 22:34:30,671 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:34:30,672 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:30,672 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:30,759 INFO L225 Difference]: With dead ends: 18128 [2025-04-13 22:34:30,759 INFO L226 Difference]: Without dead ends: 16926 [2025-04-13 22:34:30,767 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1328, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:34:30,767 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 506 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4766 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:30,768 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 0 Invalid, 4772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4766 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:34:30,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16926 states. [2025-04-13 22:34:31,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16926 to 15802. [2025-04-13 22:34:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15802 states, 15801 states have (on average 4.570533510537308) internal successors, (72219), 15801 states have internal predecessors, (72219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15802 states to 15802 states and 72219 transitions. [2025-04-13 22:34:31,201 INFO L79 Accepts]: Start accepts. Automaton has 15802 states and 72219 transitions. Word has length 64 [2025-04-13 22:34:31,202 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:31,202 INFO L485 AbstractCegarLoop]: Abstraction has 15802 states and 72219 transitions. [2025-04-13 22:34:31,202 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:31,202 INFO L278 IsEmpty]: Start isEmpty. Operand 15802 states and 72219 transitions. [2025-04-13 22:34:31,230 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:31,230 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:31,230 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:31,230 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2025-04-13 22:34:31,230 INFO L403 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:31,230 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1304507278, now seen corresponding path program 68 times [2025-04-13 22:34:31,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:31,230 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258225300] [2025-04-13 22:34:31,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:34:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:31,234 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:31,237 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:31,237 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:34:31,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:31,439 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258225300] [2025-04-13 22:34:31,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258225300] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:31,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:31,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:34:31,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104639178] [2025-04-13 22:34:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:31,440 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:34:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:31,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:34:31,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:34:31,440 INFO L87 Difference]: Start difference. First operand 15802 states and 72219 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:34,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:34,010 INFO L93 Difference]: Finished difference Result 21705 states and 99064 transitions. [2025-04-13 22:34:34,010 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:34:34,010 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:34,010 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:34,121 INFO L225 Difference]: With dead ends: 21705 [2025-04-13 22:34:34,121 INFO L226 Difference]: Without dead ends: 21203 [2025-04-13 22:34:34,130 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=372, Invalid=3534, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:34:34,130 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6724 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:34,130 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 0 Invalid, 6741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6724 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:34:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21203 states. [2025-04-13 22:34:34,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21203 to 16572. [2025-04-13 22:34:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16572 states, 16571 states have (on average 4.5689457485969465) internal successors, (75712), 16571 states have internal predecessors, (75712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16572 states to 16572 states and 75712 transitions. [2025-04-13 22:34:34,632 INFO L79 Accepts]: Start accepts. Automaton has 16572 states and 75712 transitions. Word has length 64 [2025-04-13 22:34:34,632 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:34,632 INFO L485 AbstractCegarLoop]: Abstraction has 16572 states and 75712 transitions. [2025-04-13 22:34:34,632 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:34,632 INFO L278 IsEmpty]: Start isEmpty. Operand 16572 states and 75712 transitions. [2025-04-13 22:34:34,662 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:34,662 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:34,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:34,662 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2025-04-13 22:34:34,662 INFO L403 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:34,663 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:34,663 INFO L85 PathProgramCache]: Analyzing trace with hash -57592090, now seen corresponding path program 69 times [2025-04-13 22:34:34,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:34,663 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947021824] [2025-04-13 22:34:34,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:34:34,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:34,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:34,669 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:34,669 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:34:34,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:34,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:34,882 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947021824] [2025-04-13 22:34:34,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947021824] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:34,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:34,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:34:34,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442449100] [2025-04-13 22:34:34,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:34,882 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:34:34,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:34,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:34:34,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:34:34,883 INFO L87 Difference]: Start difference. First operand 16572 states and 75712 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:37,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:37,614 INFO L93 Difference]: Finished difference Result 22310 states and 102233 transitions. [2025-04-13 22:34:37,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-13 22:34:37,615 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:37,615 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:37,733 INFO L225 Difference]: With dead ends: 22310 [2025-04-13 22:34:37,733 INFO L226 Difference]: Without dead ends: 21683 [2025-04-13 22:34:37,742 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=401, Invalid=3759, Unknown=0, NotChecked=0, Total=4160 [2025-04-13 22:34:37,742 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 790 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7072 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 7072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:37,742 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 0 Invalid, 7090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 7072 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:34:37,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21683 states. [2025-04-13 22:34:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21683 to 16522. [2025-04-13 22:34:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16522 states, 16521 states have (on average 4.568791235397373) internal successors, (75481), 16521 states have internal predecessors, (75481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16522 states to 16522 states and 75481 transitions. [2025-04-13 22:34:38,298 INFO L79 Accepts]: Start accepts. Automaton has 16522 states and 75481 transitions. Word has length 64 [2025-04-13 22:34:38,298 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:38,298 INFO L485 AbstractCegarLoop]: Abstraction has 16522 states and 75481 transitions. [2025-04-13 22:34:38,298 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:38,298 INFO L278 IsEmpty]: Start isEmpty. Operand 16522 states and 75481 transitions. [2025-04-13 22:34:38,328 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:38,328 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:38,328 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:38,329 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2025-04-13 22:34:38,329 INFO L403 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:38,329 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:38,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1590519456, now seen corresponding path program 70 times [2025-04-13 22:34:38,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:38,329 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321665679] [2025-04-13 22:34:38,329 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:34:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:38,333 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:34:38,336 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:38,336 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:34:38,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:38,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:38,601 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321665679] [2025-04-13 22:34:38,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321665679] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:38,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:38,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:34:38,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311256745] [2025-04-13 22:34:38,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:38,601 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:34:38,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:38,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:34:38,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:34:38,602 INFO L87 Difference]: Start difference. First operand 16522 states and 75481 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:40,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:40,811 INFO L93 Difference]: Finished difference Result 21880 states and 100237 transitions. [2025-04-13 22:34:40,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:34:40,811 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:40,811 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:40,919 INFO L225 Difference]: With dead ends: 21880 [2025-04-13 22:34:40,920 INFO L226 Difference]: Without dead ends: 20928 [2025-04-13 22:34:40,928 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=344, Invalid=3078, Unknown=0, NotChecked=0, Total=3422 [2025-04-13 22:34:40,928 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 798 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6441 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:40,929 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 0 Invalid, 6458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6441 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:34:40,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20928 states. [2025-04-13 22:34:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20928 to 16682. [2025-04-13 22:34:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16682 states, 16681 states have (on average 4.5652538816617705) internal successors, (76153), 16681 states have internal predecessors, (76153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16682 states to 16682 states and 76153 transitions. [2025-04-13 22:34:41,430 INFO L79 Accepts]: Start accepts. Automaton has 16682 states and 76153 transitions. Word has length 64 [2025-04-13 22:34:41,430 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:41,430 INFO L485 AbstractCegarLoop]: Abstraction has 16682 states and 76153 transitions. [2025-04-13 22:34:41,430 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:41,431 INFO L278 IsEmpty]: Start isEmpty. Operand 16682 states and 76153 transitions. [2025-04-13 22:34:41,460 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:41,461 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:41,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:41,461 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2025-04-13 22:34:41,461 INFO L403 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:41,461 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash -523005454, now seen corresponding path program 71 times [2025-04-13 22:34:41,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:41,461 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048307313] [2025-04-13 22:34:41,461 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:34:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:41,465 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:41,468 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:41,468 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:34:41,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:41,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:41,678 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048307313] [2025-04-13 22:34:41,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048307313] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:41,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:41,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:41,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245922740] [2025-04-13 22:34:41,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:41,679 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:41,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:41,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:41,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:41,679 INFO L87 Difference]: Start difference. First operand 16682 states and 76153 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:43,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:43,821 INFO L93 Difference]: Finished difference Result 21251 states and 96635 transitions. [2025-04-13 22:34:43,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-13 22:34:43,821 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:43,821 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:43,929 INFO L225 Difference]: With dead ends: 21251 [2025-04-13 22:34:43,929 INFO L226 Difference]: Without dead ends: 20829 [2025-04-13 22:34:43,938 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=283, Invalid=2687, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:34:43,938 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 695 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6475 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:43,938 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 0 Invalid, 6493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6475 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:34:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20829 states. [2025-04-13 22:34:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20829 to 16782. [2025-04-13 22:34:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16782 states, 16781 states have (on average 4.564269113878791) internal successors, (76593), 16781 states have internal predecessors, (76593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16782 states to 16782 states and 76593 transitions. [2025-04-13 22:34:44,464 INFO L79 Accepts]: Start accepts. Automaton has 16782 states and 76593 transitions. Word has length 64 [2025-04-13 22:34:44,465 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:44,465 INFO L485 AbstractCegarLoop]: Abstraction has 16782 states and 76593 transitions. [2025-04-13 22:34:44,465 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:44,465 INFO L278 IsEmpty]: Start isEmpty. Operand 16782 states and 76593 transitions. [2025-04-13 22:34:44,495 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:44,495 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:44,495 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:44,495 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2025-04-13 22:34:44,496 INFO L403 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:44,496 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1630042114, now seen corresponding path program 72 times [2025-04-13 22:34:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:44,496 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686573106] [2025-04-13 22:34:44,496 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:34:44,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:44,500 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:44,502 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:44,502 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:34:44,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:44,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:44,701 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686573106] [2025-04-13 22:34:44,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686573106] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:44,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:44,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:44,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583986659] [2025-04-13 22:34:44,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:44,701 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:44,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:44,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:44,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:44,702 INFO L87 Difference]: Start difference. First operand 16782 states and 76593 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:46,834 INFO L93 Difference]: Finished difference Result 21231 states and 96483 transitions. [2025-04-13 22:34:46,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 22:34:46,835 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:46,835 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:46,941 INFO L225 Difference]: With dead ends: 21231 [2025-04-13 22:34:46,941 INFO L226 Difference]: Without dead ends: 20789 [2025-04-13 22:34:46,949 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=2684, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:34:46,949 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 713 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6379 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:46,949 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 0 Invalid, 6397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6379 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:34:46,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2025-04-13 22:34:47,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 16742. [2025-04-13 22:34:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16742 states, 16741 states have (on average 4.563944806164506) internal successors, (76405), 16741 states have internal predecessors, (76405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16742 states to 16742 states and 76405 transitions. [2025-04-13 22:34:47,610 INFO L79 Accepts]: Start accepts. Automaton has 16742 states and 76405 transitions. Word has length 64 [2025-04-13 22:34:47,610 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:47,610 INFO L485 AbstractCegarLoop]: Abstraction has 16742 states and 76405 transitions. [2025-04-13 22:34:47,610 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:47,610 INFO L278 IsEmpty]: Start isEmpty. Operand 16742 states and 76405 transitions. [2025-04-13 22:34:47,646 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:47,646 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:47,646 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:47,647 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2025-04-13 22:34:47,647 INFO L403 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:47,647 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:47,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1652845244, now seen corresponding path program 73 times [2025-04-13 22:34:47,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:47,647 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308034444] [2025-04-13 22:34:47,647 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:34:47,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:47,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:47,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:47,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:34:47,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:47,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:47,883 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308034444] [2025-04-13 22:34:47,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308034444] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:47,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:47,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:47,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684122439] [2025-04-13 22:34:47,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:47,884 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:47,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:47,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:47,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:47,884 INFO L87 Difference]: Start difference. First operand 16742 states and 76405 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:50,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:50,386 INFO L93 Difference]: Finished difference Result 21559 states and 98123 transitions. [2025-04-13 22:34:50,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-13 22:34:50,386 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:50,386 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:50,486 INFO L225 Difference]: With dead ends: 21559 [2025-04-13 22:34:50,486 INFO L226 Difference]: Without dead ends: 21017 [2025-04-13 22:34:50,493 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=325, Invalid=3335, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:34:50,493 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7180 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 7180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:50,493 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 0 Invalid, 7201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 7180 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:34:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21017 states. [2025-04-13 22:34:50,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21017 to 16752. [2025-04-13 22:34:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16752 states, 16751 states have (on average 4.561996298728434) internal successors, (76418), 16751 states have internal predecessors, (76418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16752 states to 16752 states and 76418 transitions. [2025-04-13 22:34:50,883 INFO L79 Accepts]: Start accepts. Automaton has 16752 states and 76418 transitions. Word has length 64 [2025-04-13 22:34:50,883 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:50,883 INFO L485 AbstractCegarLoop]: Abstraction has 16752 states and 76418 transitions. [2025-04-13 22:34:50,883 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:50,883 INFO L278 IsEmpty]: Start isEmpty. Operand 16752 states and 76418 transitions. [2025-04-13 22:34:50,913 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:50,913 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:50,913 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:50,913 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2025-04-13 22:34:50,913 INFO L403 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:50,914 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:50,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1187518612, now seen corresponding path program 74 times [2025-04-13 22:34:50,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:50,914 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492181213] [2025-04-13 22:34:50,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:34:50,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:50,917 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:50,920 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:50,920 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:34:50,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:51,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:51,128 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492181213] [2025-04-13 22:34:51,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492181213] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:51,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:51,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:51,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355186427] [2025-04-13 22:34:51,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:51,129 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:51,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:51,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:51,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:51,129 INFO L87 Difference]: Start difference. First operand 16752 states and 76418 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:53,657 INFO L93 Difference]: Finished difference Result 23065 states and 104453 transitions. [2025-04-13 22:34:53,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:34:53,657 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:53,657 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:53,767 INFO L225 Difference]: With dead ends: 23065 [2025-04-13 22:34:53,767 INFO L226 Difference]: Without dead ends: 22643 [2025-04-13 22:34:53,776 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=352, Invalid=3308, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:34:53,776 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7265 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 7265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:53,777 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 0 Invalid, 7287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 7265 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:34:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22643 states. [2025-04-13 22:34:54,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22643 to 16812. [2025-04-13 22:34:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16812 states, 16811 states have (on average 4.560704300755457) internal successors, (76670), 16811 states have internal predecessors, (76670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16812 states to 16812 states and 76670 transitions. [2025-04-13 22:34:54,195 INFO L79 Accepts]: Start accepts. Automaton has 16812 states and 76670 transitions. Word has length 64 [2025-04-13 22:34:54,195 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:54,196 INFO L485 AbstractCegarLoop]: Abstraction has 16812 states and 76670 transitions. [2025-04-13 22:34:54,196 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:54,196 INFO L278 IsEmpty]: Start isEmpty. Operand 16812 states and 76670 transitions. [2025-04-13 22:34:54,225 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:54,226 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:54,226 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:54,226 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2025-04-13 22:34:54,226 INFO L403 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:54,226 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1935148704, now seen corresponding path program 75 times [2025-04-13 22:34:54,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:54,226 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840332546] [2025-04-13 22:34:54,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:34:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:54,230 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:34:54,233 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:54,233 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:34:54,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:54,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:54,432 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840332546] [2025-04-13 22:34:54,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840332546] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:54,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:54,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:54,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716794303] [2025-04-13 22:34:54,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:54,432 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:54,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:54,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:54,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:54,433 INFO L87 Difference]: Start difference. First operand 16812 states and 76670 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:57,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:34:57,062 INFO L93 Difference]: Finished difference Result 23441 states and 106141 transitions. [2025-04-13 22:34:57,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-13 22:34:57,063 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:34:57,063 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:34:57,171 INFO L225 Difference]: With dead ends: 23441 [2025-04-13 22:34:57,171 INFO L226 Difference]: Without dead ends: 22999 [2025-04-13 22:34:57,180 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=398, Invalid=3892, Unknown=0, NotChecked=0, Total=4290 [2025-04-13 22:34:57,180 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 898 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7507 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 7507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:34:57,181 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 0 Invalid, 7532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 7507 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:34:57,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22999 states. [2025-04-13 22:34:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22999 to 16822. [2025-04-13 22:34:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16822 states, 16821 states have (on average 4.55876582842875) internal successors, (76683), 16821 states have internal predecessors, (76683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16822 states to 16822 states and 76683 transitions. [2025-04-13 22:34:57,586 INFO L79 Accepts]: Start accepts. Automaton has 16822 states and 76683 transitions. Word has length 64 [2025-04-13 22:34:57,586 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:34:57,586 INFO L485 AbstractCegarLoop]: Abstraction has 16822 states and 76683 transitions. [2025-04-13 22:34:57,586 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:34:57,587 INFO L278 IsEmpty]: Start isEmpty. Operand 16822 states and 76683 transitions. [2025-04-13 22:34:57,617 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:34:57,617 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:34:57,617 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:34:57,617 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2025-04-13 22:34:57,617 INFO L403 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:34:57,617 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:34:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1122885106, now seen corresponding path program 76 times [2025-04-13 22:34:57,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:34:57,617 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402694837] [2025-04-13 22:34:57,618 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:34:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:34:57,622 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:34:57,625 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:34:57,625 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:34:57,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:34:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:34:57,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:34:57,940 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402694837] [2025-04-13 22:34:57,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402694837] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:34:57,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:34:57,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:34:57,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708006335] [2025-04-13 22:34:57,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:34:57,940 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:34:57,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:34:57,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:34:57,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:34:57,940 INFO L87 Difference]: Start difference. First operand 16822 states and 76683 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:00,423 INFO L93 Difference]: Finished difference Result 22727 states and 103193 transitions. [2025-04-13 22:35:00,423 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:35:00,424 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:00,424 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:00,523 INFO L225 Difference]: With dead ends: 22727 [2025-04-13 22:35:00,523 INFO L226 Difference]: Without dead ends: 22305 [2025-04-13 22:35:00,531 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=373, Invalid=3659, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:35:00,532 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 784 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7352 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 7352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:00,532 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 0 Invalid, 7377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 7352 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:35:00,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22305 states. [2025-04-13 22:35:00,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22305 to 16872. [2025-04-13 22:35:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16872 states, 16871 states have (on average 4.556813466895857) internal successors, (76878), 16871 states have internal predecessors, (76878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16872 states to 16872 states and 76878 transitions. [2025-04-13 22:35:00,924 INFO L79 Accepts]: Start accepts. Automaton has 16872 states and 76878 transitions. Word has length 64 [2025-04-13 22:35:00,925 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:00,925 INFO L485 AbstractCegarLoop]: Abstraction has 16872 states and 76878 transitions. [2025-04-13 22:35:00,925 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:00,925 INFO L278 IsEmpty]: Start isEmpty. Operand 16872 states and 76878 transitions. [2025-04-13 22:35:00,954 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:00,954 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:00,954 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:00,954 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2025-04-13 22:35:00,954 INFO L403 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:00,955 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:00,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1686006638, now seen corresponding path program 77 times [2025-04-13 22:35:00,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:00,955 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162337456] [2025-04-13 22:35:00,955 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:35:00,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:00,958 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:00,961 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:00,961 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:00,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:01,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:01,224 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162337456] [2025-04-13 22:35:01,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162337456] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:01,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:01,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:35:01,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235895838] [2025-04-13 22:35:01,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:01,225 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:35:01,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:01,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:35:01,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:35:01,225 INFO L87 Difference]: Start difference. First operand 16872 states and 76878 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:03,779 INFO L93 Difference]: Finished difference Result 23006 states and 104861 transitions. [2025-04-13 22:35:03,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-13 22:35:03,779 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:03,779 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:03,886 INFO L225 Difference]: With dead ends: 23006 [2025-04-13 22:35:03,886 INFO L226 Difference]: Without dead ends: 22264 [2025-04-13 22:35:03,894 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=396, Invalid=4026, Unknown=0, NotChecked=0, Total=4422 [2025-04-13 22:35:03,895 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 846 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7338 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 7338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:03,895 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 0 Invalid, 7365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 7338 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:35:03,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22264 states. [2025-04-13 22:35:04,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22264 to 16682. [2025-04-13 22:35:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16682 states, 16681 states have (on average 4.562855943888256) internal successors, (76113), 16681 states have internal predecessors, (76113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16682 states to 16682 states and 76113 transitions. [2025-04-13 22:35:04,300 INFO L79 Accepts]: Start accepts. Automaton has 16682 states and 76113 transitions. Word has length 64 [2025-04-13 22:35:04,300 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:04,300 INFO L485 AbstractCegarLoop]: Abstraction has 16682 states and 76113 transitions. [2025-04-13 22:35:04,301 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:04,301 INFO L278 IsEmpty]: Start isEmpty. Operand 16682 states and 76113 transitions. [2025-04-13 22:35:04,332 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:04,332 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:04,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:04,332 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2025-04-13 22:35:04,333 INFO L403 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:04,333 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:04,333 INFO L85 PathProgramCache]: Analyzing trace with hash 411132640, now seen corresponding path program 78 times [2025-04-13 22:35:04,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:04,333 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624448023] [2025-04-13 22:35:04,333 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:35:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:04,337 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:04,340 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:04,340 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:35:04,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:04,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:04,600 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624448023] [2025-04-13 22:35:04,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624448023] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:04,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:04,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:35:04,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213713790] [2025-04-13 22:35:04,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:04,600 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:35:04,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:04,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:35:04,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:35:04,600 INFO L87 Difference]: Start difference. First operand 16682 states and 76113 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:06,946 INFO L93 Difference]: Finished difference Result 21775 states and 98868 transitions. [2025-04-13 22:35:06,947 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:35:06,947 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:06,947 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:07,047 INFO L225 Difference]: With dead ends: 21775 [2025-04-13 22:35:07,047 INFO L226 Difference]: Without dead ends: 21103 [2025-04-13 22:35:07,055 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=285, Invalid=2685, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:35:07,056 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 772 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7044 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 7044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:07,056 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 0 Invalid, 7063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 7044 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:35:07,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2025-04-13 22:35:07,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 16862. [2025-04-13 22:35:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16862 states, 16861 states have (on average 4.556728545163395) internal successors, (76831), 16861 states have internal predecessors, (76831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16862 states to 16862 states and 76831 transitions. [2025-04-13 22:35:07,462 INFO L79 Accepts]: Start accepts. Automaton has 16862 states and 76831 transitions. Word has length 64 [2025-04-13 22:35:07,462 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:07,462 INFO L485 AbstractCegarLoop]: Abstraction has 16862 states and 76831 transitions. [2025-04-13 22:35:07,462 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:07,462 INFO L278 IsEmpty]: Start isEmpty. Operand 16862 states and 76831 transitions. [2025-04-13 22:35:07,492 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:07,492 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:07,492 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:07,492 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2025-04-13 22:35:07,492 INFO L403 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:07,493 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:07,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1158762732, now seen corresponding path program 79 times [2025-04-13 22:35:07,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:07,493 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030214448] [2025-04-13 22:35:07,493 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:35:07,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:07,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:07,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:07,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:35:07,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:07,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:07,695 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030214448] [2025-04-13 22:35:07,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030214448] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:07,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:07,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:35:07,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527225263] [2025-04-13 22:35:07,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:07,695 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:35:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:07,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:35:07,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:35:07,696 INFO L87 Difference]: Start difference. First operand 16862 states and 76831 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:10,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:10,061 INFO L93 Difference]: Finished difference Result 22509 states and 102260 transitions. [2025-04-13 22:35:10,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:35:10,061 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:10,061 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:10,166 INFO L225 Difference]: With dead ends: 22509 [2025-04-13 22:35:10,166 INFO L226 Difference]: Without dead ends: 21967 [2025-04-13 22:35:10,175 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=2896, Unknown=0, NotChecked=0, Total=3192 [2025-04-13 22:35:10,175 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 787 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:10,175 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 0 Invalid, 6986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6968 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:35:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21967 states. [2025-04-13 22:35:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21967 to 16722. [2025-04-13 22:35:10,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16722 states, 16721 states have (on average 4.560791818671132) internal successors, (76261), 16721 states have internal predecessors, (76261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16722 states to 16722 states and 76261 transitions. [2025-04-13 22:35:10,576 INFO L79 Accepts]: Start accepts. Automaton has 16722 states and 76261 transitions. Word has length 64 [2025-04-13 22:35:10,576 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:10,576 INFO L485 AbstractCegarLoop]: Abstraction has 16722 states and 76261 transitions. [2025-04-13 22:35:10,576 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:10,576 INFO L278 IsEmpty]: Start isEmpty. Operand 16722 states and 76261 transitions. [2025-04-13 22:35:10,606 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:10,606 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:10,606 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:10,606 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2025-04-13 22:35:10,606 INFO L403 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:10,606 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash 346499134, now seen corresponding path program 80 times [2025-04-13 22:35:10,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:10,607 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964834442] [2025-04-13 22:35:10,607 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:35:10,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:10,610 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:10,613 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:10,613 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:10,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:10,815 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964834442] [2025-04-13 22:35:10,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964834442] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:10,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:10,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:35:10,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840691527] [2025-04-13 22:35:10,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:10,815 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:35:10,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:10,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:35:10,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:35:10,815 INFO L87 Difference]: Start difference. First operand 16722 states and 76261 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:12,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:12,980 INFO L93 Difference]: Finished difference Result 20822 states and 94737 transitions. [2025-04-13 22:35:12,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:35:12,980 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:12,981 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:13,075 INFO L225 Difference]: With dead ends: 20822 [2025-04-13 22:35:13,075 INFO L226 Difference]: Without dead ends: 20205 [2025-04-13 22:35:13,084 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=2790, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:35:13,084 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 732 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6269 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 6269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:13,084 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 0 Invalid, 6286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 6269 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:35:13,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20205 states. [2025-04-13 22:35:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20205 to 16702. [2025-04-13 22:35:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16702 states, 16701 states have (on average 4.561223878809652) internal successors, (76177), 16701 states have internal predecessors, (76177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16702 states to 16702 states and 76177 transitions. [2025-04-13 22:35:13,487 INFO L79 Accepts]: Start accepts. Automaton has 16702 states and 76177 transitions. Word has length 64 [2025-04-13 22:35:13,487 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:13,487 INFO L485 AbstractCegarLoop]: Abstraction has 16702 states and 76177 transitions. [2025-04-13 22:35:13,488 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:13,488 INFO L278 IsEmpty]: Start isEmpty. Operand 16702 states and 76177 transitions. [2025-04-13 22:35:13,518 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:13,518 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:13,518 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:13,518 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2025-04-13 22:35:13,518 INFO L403 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:13,518 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1945698580, now seen corresponding path program 81 times [2025-04-13 22:35:13,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:13,519 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357989030] [2025-04-13 22:35:13,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:35:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:13,522 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:13,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:13,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:35:13,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:13,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:13,720 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357989030] [2025-04-13 22:35:13,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357989030] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:13,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:13,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:35:13,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905637630] [2025-04-13 22:35:13,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:13,721 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:35:13,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:13,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:35:13,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:35:13,721 INFO L87 Difference]: Start difference. First operand 16702 states and 76177 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:15,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:15,725 INFO L93 Difference]: Finished difference Result 19901 states and 90746 transitions. [2025-04-13 22:35:15,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-13 22:35:15,725 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:15,725 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:15,824 INFO L225 Difference]: With dead ends: 19901 [2025-04-13 22:35:15,824 INFO L226 Difference]: Without dead ends: 18989 [2025-04-13 22:35:15,830 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=2399, Unknown=0, NotChecked=0, Total=2652 [2025-04-13 22:35:15,830 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 646 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5814 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:15,830 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 0 Invalid, 5829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5814 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:35:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18989 states. [2025-04-13 22:35:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18989 to 16562. [2025-04-13 22:35:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16562 states, 16561 states have (on average 4.56669283255842) internal successors, (75629), 16561 states have internal predecessors, (75629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16562 states to 16562 states and 75629 transitions. [2025-04-13 22:35:16,215 INFO L79 Accepts]: Start accepts. Automaton has 16562 states and 75629 transitions. Word has length 64 [2025-04-13 22:35:16,215 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:16,215 INFO L485 AbstractCegarLoop]: Abstraction has 16562 states and 75629 transitions. [2025-04-13 22:35:16,215 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:16,215 INFO L278 IsEmpty]: Start isEmpty. Operand 16562 states and 75629 transitions. [2025-04-13 22:35:16,246 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:16,246 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:16,246 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:16,246 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2025-04-13 22:35:16,246 INFO L403 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:16,246 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:16,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1467734606, now seen corresponding path program 82 times [2025-04-13 22:35:16,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:16,246 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825075991] [2025-04-13 22:35:16,247 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:35:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:16,250 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:35:16,254 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:16,254 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:35:16,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:16,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:16,491 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825075991] [2025-04-13 22:35:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825075991] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:16,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:16,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:16,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038273623] [2025-04-13 22:35:16,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:16,491 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:16,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:16,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:16,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:16,492 INFO L87 Difference]: Start difference. First operand 16562 states and 75629 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:18,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:18,045 INFO L93 Difference]: Finished difference Result 19288 states and 87575 transitions. [2025-04-13 22:35:18,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:35:18,045 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:18,045 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:18,251 INFO L225 Difference]: With dead ends: 19288 [2025-04-13 22:35:18,251 INFO L226 Difference]: Without dead ends: 18786 [2025-04-13 22:35:18,255 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:35:18,255 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 642 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4585 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:18,255 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 0 Invalid, 4589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4585 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:35:18,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18786 states. [2025-04-13 22:35:18,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18786 to 16962. [2025-04-13 22:35:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16962 states, 16961 states have (on average 4.553210305996108) internal successors, (77227), 16961 states have internal predecessors, (77227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16962 states to 16962 states and 77227 transitions. [2025-04-13 22:35:18,615 INFO L79 Accepts]: Start accepts. Automaton has 16962 states and 77227 transitions. Word has length 64 [2025-04-13 22:35:18,615 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:18,615 INFO L485 AbstractCegarLoop]: Abstraction has 16962 states and 77227 transitions. [2025-04-13 22:35:18,616 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:18,616 INFO L278 IsEmpty]: Start isEmpty. Operand 16962 states and 77227 transitions. [2025-04-13 22:35:18,647 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:18,647 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:18,647 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:18,647 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2025-04-13 22:35:18,647 INFO L403 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:18,648 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:18,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2092491946, now seen corresponding path program 83 times [2025-04-13 22:35:18,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:18,648 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293762128] [2025-04-13 22:35:18,648 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:35:18,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:18,652 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:18,654 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:18,654 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:18,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:18,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:18,844 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293762128] [2025-04-13 22:35:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293762128] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:18,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566696115] [2025-04-13 22:35:18,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:18,844 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:18,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:18,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:18,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:18,844 INFO L87 Difference]: Start difference. First operand 16962 states and 77227 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:20,431 INFO L93 Difference]: Finished difference Result 19363 states and 87884 transitions. [2025-04-13 22:35:20,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:35:20,431 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:20,431 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:20,529 INFO L225 Difference]: With dead ends: 19363 [2025-04-13 22:35:20,529 INFO L226 Difference]: Without dead ends: 18736 [2025-04-13 22:35:20,537 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:35:20,537 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 657 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4738 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:20,537 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 0 Invalid, 4744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4738 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:35:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18736 states. [2025-04-13 22:35:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18736 to 16712. [2025-04-13 22:35:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16712 states, 16711 states have (on average 4.561187241936449) internal successors, (76222), 16711 states have internal predecessors, (76222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16712 states to 16712 states and 76222 transitions. [2025-04-13 22:35:21,010 INFO L79 Accepts]: Start accepts. Automaton has 16712 states and 76222 transitions. Word has length 64 [2025-04-13 22:35:21,011 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:21,011 INFO L485 AbstractCegarLoop]: Abstraction has 16712 states and 76222 transitions. [2025-04-13 22:35:21,011 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:21,011 INFO L278 IsEmpty]: Start isEmpty. Operand 16712 states and 76222 transitions. [2025-04-13 22:35:21,040 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:21,040 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:21,040 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:21,041 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2025-04-13 22:35:21,041 INFO L403 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:21,041 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:21,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1753746784, now seen corresponding path program 84 times [2025-04-13 22:35:21,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:21,041 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484355804] [2025-04-13 22:35:21,041 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:35:21,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:21,045 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:21,047 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:21,047 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:35:21,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:21,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:21,268 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484355804] [2025-04-13 22:35:21,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484355804] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:21,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:21,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:21,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862124479] [2025-04-13 22:35:21,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:21,268 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:21,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:21,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:21,269 INFO L87 Difference]: Start difference. First operand 16712 states and 76222 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:22,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:22,880 INFO L93 Difference]: Finished difference Result 19288 states and 87550 transitions. [2025-04-13 22:35:22,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:35:22,880 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:22,880 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:22,982 INFO L225 Difference]: With dead ends: 19288 [2025-04-13 22:35:22,982 INFO L226 Difference]: Without dead ends: 18126 [2025-04-13 22:35:22,990 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:35:22,990 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:22,991 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 0 Invalid, 4948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4942 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:35:23,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18126 states. [2025-04-13 22:35:23,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18126 to 16502. [2025-04-13 22:35:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16502 states, 16501 states have (on average 4.565602084722138) internal successors, (75337), 16501 states have internal predecessors, (75337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16502 states to 16502 states and 75337 transitions. [2025-04-13 22:35:23,462 INFO L79 Accepts]: Start accepts. Automaton has 16502 states and 75337 transitions. Word has length 64 [2025-04-13 22:35:23,462 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:23,462 INFO L485 AbstractCegarLoop]: Abstraction has 16502 states and 75337 transitions. [2025-04-13 22:35:23,462 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:23,462 INFO L278 IsEmpty]: Start isEmpty. Operand 16502 states and 75337 transitions. [2025-04-13 22:35:23,493 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:23,493 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:23,493 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:23,493 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2025-04-13 22:35:23,493 INFO L403 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:23,493 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:23,493 INFO L85 PathProgramCache]: Analyzing trace with hash 240045368, now seen corresponding path program 85 times [2025-04-13 22:35:23,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:23,493 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403531230] [2025-04-13 22:35:23,494 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:35:23,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:23,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:23,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:23,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:35:23,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:23,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:23,687 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403531230] [2025-04-13 22:35:23,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403531230] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:23,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089093317] [2025-04-13 22:35:23,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:23,687 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:23,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:23,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:23,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:23,688 INFO L87 Difference]: Start difference. First operand 16502 states and 75337 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:25,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:25,140 INFO L93 Difference]: Finished difference Result 19328 states and 87745 transitions. [2025-04-13 22:35:25,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:35:25,141 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:25,141 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:25,241 INFO L225 Difference]: With dead ends: 19328 [2025-04-13 22:35:25,241 INFO L226 Difference]: Without dead ends: 18826 [2025-04-13 22:35:25,249 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=1477, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:35:25,249 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 607 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4509 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:25,249 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 0 Invalid, 4512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4509 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:35:25,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18826 states. [2025-04-13 22:35:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18826 to 16952. [2025-04-13 22:35:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16952 states, 16951 states have (on average 4.552297799539851) internal successors, (77166), 16951 states have internal predecessors, (77166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16952 states to 16952 states and 77166 transitions. [2025-04-13 22:35:25,778 INFO L79 Accepts]: Start accepts. Automaton has 16952 states and 77166 transitions. Word has length 64 [2025-04-13 22:35:25,778 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:25,778 INFO L485 AbstractCegarLoop]: Abstraction has 16952 states and 77166 transitions. [2025-04-13 22:35:25,778 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:25,778 INFO L278 IsEmpty]: Start isEmpty. Operand 16952 states and 77166 transitions. [2025-04-13 22:35:25,810 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:25,810 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:25,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:25,810 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2025-04-13 22:35:25,810 INFO L403 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:25,811 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:25,811 INFO L85 PathProgramCache]: Analyzing trace with hash 554169856, now seen corresponding path program 86 times [2025-04-13 22:35:25,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:25,811 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998679351] [2025-04-13 22:35:25,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:35:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:25,815 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:25,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:25,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:25,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:26,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:26,016 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998679351] [2025-04-13 22:35:26,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998679351] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:26,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:26,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:26,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468486045] [2025-04-13 22:35:26,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:26,017 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:26,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:26,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:26,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:26,017 INFO L87 Difference]: Start difference. First operand 16952 states and 77166 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:27,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:27,528 INFO L93 Difference]: Finished difference Result 19403 states and 88054 transitions. [2025-04-13 22:35:27,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:35:27,528 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:27,528 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:27,632 INFO L225 Difference]: With dead ends: 19403 [2025-04-13 22:35:27,633 INFO L226 Difference]: Without dead ends: 18776 [2025-04-13 22:35:27,640 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=1477, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:35:27,641 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 644 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4662 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:27,642 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 0 Invalid, 4667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4662 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:35:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18776 states. [2025-04-13 22:35:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18776 to 16702. [2025-04-13 22:35:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16702 states, 16701 states have (on average 4.560265852344171) internal successors, (76161), 16701 states have internal predecessors, (76161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16702 states to 16702 states and 76161 transitions. [2025-04-13 22:35:28,140 INFO L79 Accepts]: Start accepts. Automaton has 16702 states and 76161 transitions. Word has length 64 [2025-04-13 22:35:28,140 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:28,140 INFO L485 AbstractCegarLoop]: Abstraction has 16702 states and 76161 transitions. [2025-04-13 22:35:28,140 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:28,140 INFO L278 IsEmpty]: Start isEmpty. Operand 16702 states and 76161 transitions. [2025-04-13 22:35:28,171 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:28,171 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:28,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:28,171 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2025-04-13 22:35:28,171 INFO L403 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:28,171 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1198400394, now seen corresponding path program 87 times [2025-04-13 22:35:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:28,172 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344074209] [2025-04-13 22:35:28,172 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:35:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:28,175 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:28,178 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:28,178 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:35:28,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:28,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:28,365 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344074209] [2025-04-13 22:35:28,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344074209] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:28,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:28,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:28,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406842558] [2025-04-13 22:35:28,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:28,365 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:28,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:28,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:28,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:28,366 INFO L87 Difference]: Start difference. First operand 16702 states and 76161 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:29,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:29,966 INFO L93 Difference]: Finished difference Result 19328 states and 87720 transitions. [2025-04-13 22:35:29,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:35:29,966 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:29,966 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:30,072 INFO L225 Difference]: With dead ends: 19328 [2025-04-13 22:35:30,072 INFO L226 Difference]: Without dead ends: 18226 [2025-04-13 22:35:30,080 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=1477, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:35:30,081 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 554 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4866 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:30,081 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 0 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4866 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:35:30,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18226 states. [2025-04-13 22:35:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18226 to 16552. [2025-04-13 22:35:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16552 states, 16551 states have (on average 4.562745453446921) internal successors, (75518), 16551 states have internal predecessors, (75518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16552 states to 16552 states and 75518 transitions. [2025-04-13 22:35:30,629 INFO L79 Accepts]: Start accepts. Automaton has 16552 states and 75518 transitions. Word has length 64 [2025-04-13 22:35:30,629 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:30,629 INFO L485 AbstractCegarLoop]: Abstraction has 16552 states and 75518 transitions. [2025-04-13 22:35:30,629 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:30,630 INFO L278 IsEmpty]: Start isEmpty. Operand 16552 states and 75518 transitions. [2025-04-13 22:35:30,665 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:30,665 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:30,665 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:30,665 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2025-04-13 22:35:30,665 INFO L403 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:30,666 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:30,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1120116930, now seen corresponding path program 88 times [2025-04-13 22:35:30,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:30,666 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207234741] [2025-04-13 22:35:30,666 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:35:30,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:30,671 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:35:30,675 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:30,675 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:35:30,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:30,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:30,962 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207234741] [2025-04-13 22:35:30,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207234741] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:30,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:30,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:30,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837516608] [2025-04-13 22:35:30,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:30,963 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:30,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:30,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:30,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:30,963 INFO L87 Difference]: Start difference. First operand 16552 states and 75518 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:32,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:32,358 INFO L93 Difference]: Finished difference Result 18978 states and 86278 transitions. [2025-04-13 22:35:32,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:35:32,358 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:32,358 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:32,619 INFO L225 Difference]: With dead ends: 18978 [2025-04-13 22:35:32,619 INFO L226 Difference]: Without dead ends: 18476 [2025-04-13 22:35:32,623 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:35:32,623 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 550 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4502 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:32,623 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 0 Invalid, 4506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4502 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:35:32,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18476 states. [2025-04-13 22:35:32,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18476 to 17002. [2025-04-13 22:35:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17002 states, 17001 states have (on average 4.549555908475972) internal successors, (77347), 17001 states have internal predecessors, (77347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17002 states to 17002 states and 77347 transitions. [2025-04-13 22:35:32,971 INFO L79 Accepts]: Start accepts. Automaton has 17002 states and 77347 transitions. Word has length 64 [2025-04-13 22:35:32,972 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:32,972 INFO L485 AbstractCegarLoop]: Abstraction has 17002 states and 77347 transitions. [2025-04-13 22:35:32,972 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:32,972 INFO L278 IsEmpty]: Start isEmpty. Operand 17002 states and 77347 transitions. [2025-04-13 22:35:33,002 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:33,002 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:33,002 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:33,002 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2025-04-13 22:35:33,002 INFO L403 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:33,002 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:33,003 INFO L85 PathProgramCache]: Analyzing trace with hash -201237658, now seen corresponding path program 89 times [2025-04-13 22:35:33,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:33,003 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820156208] [2025-04-13 22:35:33,003 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:35:33,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:33,006 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:33,009 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:33,009 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:33,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:33,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:33,214 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820156208] [2025-04-13 22:35:33,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820156208] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:33,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:33,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:33,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515122683] [2025-04-13 22:35:33,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:33,215 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:33,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:33,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:33,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:33,215 INFO L87 Difference]: Start difference. First operand 17002 states and 77347 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:34,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:34,805 INFO L93 Difference]: Finished difference Result 19053 states and 86587 transitions. [2025-04-13 22:35:34,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:35:34,805 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:34,805 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:34,903 INFO L225 Difference]: With dead ends: 19053 [2025-04-13 22:35:34,904 INFO L226 Difference]: Without dead ends: 18426 [2025-04-13 22:35:34,907 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:35:34,908 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 568 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4655 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:34,908 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 0 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4655 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:35:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18426 states. [2025-04-13 22:35:35,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18426 to 16752. [2025-04-13 22:35:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16752 states, 16751 states have (on average 4.557459256163811) internal successors, (76342), 16751 states have internal predecessors, (76342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16752 states to 16752 states and 76342 transitions. [2025-04-13 22:35:35,267 INFO L79 Accepts]: Start accepts. Automaton has 16752 states and 76342 transitions. Word has length 64 [2025-04-13 22:35:35,268 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:35,268 INFO L485 AbstractCegarLoop]: Abstraction has 16752 states and 76342 transitions. [2025-04-13 22:35:35,268 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:35,268 INFO L278 IsEmpty]: Start isEmpty. Operand 16752 states and 76342 transitions. [2025-04-13 22:35:35,297 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:35,297 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:35,297 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:35,298 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2025-04-13 22:35:35,298 INFO L403 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:35,298 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:35,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1406129108, now seen corresponding path program 90 times [2025-04-13 22:35:35,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:35,298 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173154665] [2025-04-13 22:35:35,298 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:35:35,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:35,302 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:35,304 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:35,304 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:35:35,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:35,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:35,500 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173154665] [2025-04-13 22:35:35,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173154665] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:35,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:35,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:35,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184036656] [2025-04-13 22:35:35,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:35,501 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:35,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:35,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:35,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:35,501 INFO L87 Difference]: Start difference. First operand 16752 states and 76342 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:37,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:37,121 INFO L93 Difference]: Finished difference Result 18978 states and 86253 transitions. [2025-04-13 22:35:37,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:35:37,121 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:37,121 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:37,217 INFO L225 Difference]: With dead ends: 18978 [2025-04-13 22:35:37,217 INFO L226 Difference]: Without dead ends: 17646 [2025-04-13 22:35:37,223 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=1337, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:35:37,223 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 517 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:37,223 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 0 Invalid, 4851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4845 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:35:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17646 states. [2025-04-13 22:35:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17646 to 16372. [2025-04-13 22:35:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16372 states, 16371 states have (on average 4.571559464907458) internal successors, (74841), 16371 states have internal predecessors, (74841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16372 states to 16372 states and 74841 transitions. [2025-04-13 22:35:37,576 INFO L79 Accepts]: Start accepts. Automaton has 16372 states and 74841 transitions. Word has length 64 [2025-04-13 22:35:37,576 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:37,576 INFO L485 AbstractCegarLoop]: Abstraction has 16372 states and 74841 transitions. [2025-04-13 22:35:37,576 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:37,576 INFO L278 IsEmpty]: Start isEmpty. Operand 16372 states and 74841 transitions. [2025-04-13 22:35:37,604 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:37,605 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:37,605 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:37,605 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2025-04-13 22:35:37,605 INFO L403 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:37,605 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash 215458968, now seen corresponding path program 91 times [2025-04-13 22:35:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:37,605 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241702505] [2025-04-13 22:35:37,605 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:35:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:37,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:37,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:37,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:35:37,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:37,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:37,785 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241702505] [2025-04-13 22:35:37,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241702505] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:37,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:37,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:35:37,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477891774] [2025-04-13 22:35:37,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:37,785 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:35:37,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:37,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:35:37,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:35:37,786 INFO L87 Difference]: Start difference. First operand 16372 states and 74841 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:39,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:39,441 INFO L93 Difference]: Finished difference Result 19713 states and 89843 transitions. [2025-04-13 22:35:39,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-13 22:35:39,442 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:39,442 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:39,570 INFO L225 Difference]: With dead ends: 19713 [2025-04-13 22:35:39,570 INFO L226 Difference]: Without dead ends: 19211 [2025-04-13 22:35:39,579 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=237, Invalid=1743, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:35:39,580 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 492 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4348 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:39,580 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 0 Invalid, 4353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4348 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:35:39,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19211 states. [2025-04-13 22:35:39,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19211 to 17122. [2025-04-13 22:35:39,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17122 states, 17121 states have (on average 4.55242100344606) internal successors, (77942), 17121 states have internal predecessors, (77942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17122 states to 17122 states and 77942 transitions. [2025-04-13 22:35:40,011 INFO L79 Accepts]: Start accepts. Automaton has 17122 states and 77942 transitions. Word has length 64 [2025-04-13 22:35:40,011 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:40,011 INFO L485 AbstractCegarLoop]: Abstraction has 17122 states and 77942 transitions. [2025-04-13 22:35:40,011 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:40,011 INFO L278 IsEmpty]: Start isEmpty. Operand 17122 states and 77942 transitions. [2025-04-13 22:35:40,043 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:40,043 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:40,043 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:40,043 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2025-04-13 22:35:40,043 INFO L403 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:40,043 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:40,043 INFO L85 PathProgramCache]: Analyzing trace with hash -397710018, now seen corresponding path program 92 times [2025-04-13 22:35:40,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:40,043 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537821077] [2025-04-13 22:35:40,044 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:35:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:40,047 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:40,050 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:40,050 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:40,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:40,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:40,227 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537821077] [2025-04-13 22:35:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537821077] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:40,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:35:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263675170] [2025-04-13 22:35:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:40,227 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:35:40,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:40,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:35:40,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:35:40,227 INFO L87 Difference]: Start difference. First operand 17122 states and 77942 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:41,895 INFO L93 Difference]: Finished difference Result 19888 states and 90642 transitions. [2025-04-13 22:35:41,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-13 22:35:41,895 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:41,895 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:41,993 INFO L225 Difference]: With dead ends: 19888 [2025-04-13 22:35:41,993 INFO L226 Difference]: Without dead ends: 19261 [2025-04-13 22:35:42,002 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=249, Invalid=1913, Unknown=0, NotChecked=0, Total=2162 [2025-04-13 22:35:42,002 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 553 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:42,002 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 0 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:35:42,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19261 states. [2025-04-13 22:35:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19261 to 16872. [2025-04-13 22:35:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16872 states, 16871 states have (on average 4.560310592140359) internal successors, (76937), 16871 states have internal predecessors, (76937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16872 states to 16872 states and 76937 transitions. [2025-04-13 22:35:42,387 INFO L79 Accepts]: Start accepts. Automaton has 16872 states and 76937 transitions. Word has length 64 [2025-04-13 22:35:42,387 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:42,387 INFO L485 AbstractCegarLoop]: Abstraction has 16872 states and 76937 transitions. [2025-04-13 22:35:42,387 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:42,387 INFO L278 IsEmpty]: Start isEmpty. Operand 16872 states and 76937 transitions. [2025-04-13 22:35:42,417 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:42,417 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:42,417 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:42,417 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2025-04-13 22:35:42,417 INFO L403 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:42,418 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:42,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1173813994, now seen corresponding path program 93 times [2025-04-13 22:35:42,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:42,418 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588594272] [2025-04-13 22:35:42,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:35:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:42,422 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:42,424 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:42,424 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:35:42,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:42,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:42,598 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588594272] [2025-04-13 22:35:42,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588594272] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:42,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:42,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:35:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825673366] [2025-04-13 22:35:42,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:42,598 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:35:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:42,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:35:42,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:35:42,599 INFO L87 Difference]: Start difference. First operand 16872 states and 76937 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:44,179 INFO L93 Difference]: Finished difference Result 19228 states and 87566 transitions. [2025-04-13 22:35:44,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:35:44,180 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:44,180 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:44,282 INFO L225 Difference]: With dead ends: 19228 [2025-04-13 22:35:44,282 INFO L226 Difference]: Without dead ends: 17976 [2025-04-13 22:35:44,289 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=1747, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:35:44,290 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 548 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4466 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:44,290 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 0 Invalid, 4472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4466 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:35:44,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17976 states. [2025-04-13 22:35:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17976 to 16572. [2025-04-13 22:35:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16572 states, 16571 states have (on average 4.566471546677931) internal successors, (75671), 16571 states have internal predecessors, (75671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16572 states to 16572 states and 75671 transitions. [2025-04-13 22:35:44,649 INFO L79 Accepts]: Start accepts. Automaton has 16572 states and 75671 transitions. Word has length 64 [2025-04-13 22:35:44,649 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:44,649 INFO L485 AbstractCegarLoop]: Abstraction has 16572 states and 75671 transitions. [2025-04-13 22:35:44,650 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:44,650 INFO L278 IsEmpty]: Start isEmpty. Operand 16572 states and 75671 transitions. [2025-04-13 22:35:44,679 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:44,679 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:44,679 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:44,679 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2025-04-13 22:35:44,679 INFO L403 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:44,680 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:44,680 INFO L85 PathProgramCache]: Analyzing trace with hash 444783804, now seen corresponding path program 94 times [2025-04-13 22:35:44,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:44,680 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146655649] [2025-04-13 22:35:44,680 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:35:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:44,683 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:35:44,687 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:44,687 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:35:44,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:44,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:44,940 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146655649] [2025-04-13 22:35:44,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146655649] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:44,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:44,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328988031] [2025-04-13 22:35:44,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:44,941 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:44,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:44,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:44,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:44,941 INFO L87 Difference]: Start difference. First operand 16572 states and 75671 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:46,835 INFO L93 Difference]: Finished difference Result 20043 states and 91435 transitions. [2025-04-13 22:35:46,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-13 22:35:46,835 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:46,835 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:46,936 INFO L225 Difference]: With dead ends: 20043 [2025-04-13 22:35:46,937 INFO L226 Difference]: Without dead ends: 19541 [2025-04-13 22:35:46,944 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=294, Invalid=2568, Unknown=0, NotChecked=0, Total=2862 [2025-04-13 22:35:46,945 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 677 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5271 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 5271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:46,945 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 0 Invalid, 5284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 5271 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:35:46,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19541 states. [2025-04-13 22:35:47,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19541 to 17042. [2025-04-13 22:35:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17042 states, 17041 states have (on average 4.556774837157444) internal successors, (77652), 17041 states have internal predecessors, (77652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17042 states to 17042 states and 77652 transitions. [2025-04-13 22:35:47,357 INFO L79 Accepts]: Start accepts. Automaton has 17042 states and 77652 transitions. Word has length 64 [2025-04-13 22:35:47,358 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:47,358 INFO L485 AbstractCegarLoop]: Abstraction has 17042 states and 77652 transitions. [2025-04-13 22:35:47,358 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:47,358 INFO L278 IsEmpty]: Start isEmpty. Operand 17042 states and 77652 transitions. [2025-04-13 22:35:47,392 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:47,392 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:47,392 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:47,392 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2025-04-13 22:35:47,392 INFO L403 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:47,392 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1692238122, now seen corresponding path program 95 times [2025-04-13 22:35:47,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:47,392 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619654974] [2025-04-13 22:35:47,392 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:35:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:47,396 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:47,399 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:47,399 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:47,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:47,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:47,605 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619654974] [2025-04-13 22:35:47,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619654974] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:47,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:47,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:47,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072943587] [2025-04-13 22:35:47,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:47,606 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:47,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:47,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:47,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:47,606 INFO L87 Difference]: Start difference. First operand 17042 states and 77652 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:49,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:49,436 INFO L93 Difference]: Finished difference Result 20178 states and 91937 transitions. [2025-04-13 22:35:49,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-13 22:35:49,437 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:49,437 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:49,534 INFO L225 Difference]: With dead ends: 20178 [2025-04-13 22:35:49,535 INFO L226 Difference]: Without dead ends: 19551 [2025-04-13 22:35:49,542 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=2272, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:35:49,542 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 637 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:49,542 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 0 Invalid, 5110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:35:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19551 states. [2025-04-13 22:35:49,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19551 to 17042. [2025-04-13 22:35:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17042 states, 17041 states have (on average 4.556774837157444) internal successors, (77652), 17041 states have internal predecessors, (77652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17042 states to 17042 states and 77652 transitions. [2025-04-13 22:35:49,951 INFO L79 Accepts]: Start accepts. Automaton has 17042 states and 77652 transitions. Word has length 64 [2025-04-13 22:35:49,952 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:49,952 INFO L485 AbstractCegarLoop]: Abstraction has 17042 states and 77652 transitions. [2025-04-13 22:35:49,952 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:49,952 INFO L278 IsEmpty]: Start isEmpty. Operand 17042 states and 77652 transitions. [2025-04-13 22:35:49,983 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:49,983 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:49,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:49,983 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2025-04-13 22:35:49,983 INFO L403 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:49,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash 158771626, now seen corresponding path program 96 times [2025-04-13 22:35:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:49,983 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785448195] [2025-04-13 22:35:49,983 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:35:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:49,987 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:49,990 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:49,990 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:35:49,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:50,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:50,178 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785448195] [2025-04-13 22:35:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785448195] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:50,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:50,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487234676] [2025-04-13 22:35:50,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:50,178 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:50,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:50,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:50,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:50,178 INFO L87 Difference]: Start difference. First operand 17042 states and 77652 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:51,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:51,955 INFO L93 Difference]: Finished difference Result 19723 states and 89777 transitions. [2025-04-13 22:35:51,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:35:51,955 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:51,955 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:52,057 INFO L225 Difference]: With dead ends: 19723 [2025-04-13 22:35:52,057 INFO L226 Difference]: Without dead ends: 18671 [2025-04-13 22:35:52,063 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=265, Invalid=2087, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:35:52,063 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 657 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4896 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:52,063 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 0 Invalid, 4907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 4896 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:35:52,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18671 states. [2025-04-13 22:35:52,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18671 to 16942. [2025-04-13 22:35:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16942 states, 16941 states have (on average 4.556991913110206) internal successors, (77200), 16941 states have internal predecessors, (77200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16942 states to 16942 states and 77200 transitions. [2025-04-13 22:35:52,431 INFO L79 Accepts]: Start accepts. Automaton has 16942 states and 77200 transitions. Word has length 64 [2025-04-13 22:35:52,431 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:52,431 INFO L485 AbstractCegarLoop]: Abstraction has 16942 states and 77200 transitions. [2025-04-13 22:35:52,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:52,431 INFO L278 IsEmpty]: Start isEmpty. Operand 16942 states and 77200 transitions. [2025-04-13 22:35:52,461 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:52,461 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:52,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:52,461 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2025-04-13 22:35:52,461 INFO L403 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:52,461 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:52,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1019659602, now seen corresponding path program 97 times [2025-04-13 22:35:52,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:52,462 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572933839] [2025-04-13 22:35:52,462 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:35:52,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:52,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:52,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:52,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:35:52,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:52,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:52,653 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572933839] [2025-04-13 22:35:52,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572933839] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:52,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:52,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:52,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11160031] [2025-04-13 22:35:52,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:52,654 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:52,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:52,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:52,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:52,654 INFO L87 Difference]: Start difference. First operand 16942 states and 77200 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:54,871 INFO L93 Difference]: Finished difference Result 21650 states and 99333 transitions. [2025-04-13 22:35:54,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:35:54,872 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:54,872 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:54,981 INFO L225 Difference]: With dead ends: 21650 [2025-04-13 22:35:54,981 INFO L226 Difference]: Without dead ends: 21023 [2025-04-13 22:35:54,989 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=381, Invalid=3159, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:35:54,989 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 707 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6144 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:54,989 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 0 Invalid, 6163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6144 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:35:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21023 states. [2025-04-13 22:35:55,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21023 to 16692. [2025-04-13 22:35:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16692 states, 16691 states have (on average 4.56503504882871) internal successors, (76195), 16691 states have internal predecessors, (76195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16692 states to 16692 states and 76195 transitions. [2025-04-13 22:35:55,384 INFO L79 Accepts]: Start accepts. Automaton has 16692 states and 76195 transitions. Word has length 64 [2025-04-13 22:35:55,385 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:55,385 INFO L485 AbstractCegarLoop]: Abstraction has 16692 states and 76195 transitions. [2025-04-13 22:35:55,385 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:55,385 INFO L278 IsEmpty]: Start isEmpty. Operand 16692 states and 76195 transitions. [2025-04-13 22:35:55,417 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:55,417 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:55,417 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:55,417 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2025-04-13 22:35:55,417 INFO L403 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:55,417 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:55,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1416454728, now seen corresponding path program 98 times [2025-04-13 22:35:55,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:55,417 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832953496] [2025-04-13 22:35:55,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:35:55,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:55,421 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:55,424 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:55,424 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:35:55,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:55,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:55,608 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832953496] [2025-04-13 22:35:55,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832953496] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:55,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:55,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:35:55,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21705291] [2025-04-13 22:35:55,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:55,609 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:35:55,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:55,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:35:55,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:35:55,609 INFO L87 Difference]: Start difference. First operand 16692 states and 76195 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:35:57,784 INFO L93 Difference]: Finished difference Result 22300 states and 102045 transitions. [2025-04-13 22:35:57,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-13 22:35:57,784 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:35:57,785 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:35:57,891 INFO L225 Difference]: With dead ends: 22300 [2025-04-13 22:35:57,891 INFO L226 Difference]: Without dead ends: 21348 [2025-04-13 22:35:57,901 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=2952, Unknown=0, NotChecked=0, Total=3306 [2025-04-13 22:35:57,901 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 739 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6171 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:35:57,901 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 0 Invalid, 6189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6171 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:35:57,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21348 states. [2025-04-13 22:35:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21348 to 17592. [2025-04-13 22:35:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17592 states, 17591 states have (on average 4.545108294013985) internal successors, (79953), 17591 states have internal predecessors, (79953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17592 states to 17592 states and 79953 transitions. [2025-04-13 22:35:58,304 INFO L79 Accepts]: Start accepts. Automaton has 17592 states and 79953 transitions. Word has length 64 [2025-04-13 22:35:58,304 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:35:58,304 INFO L485 AbstractCegarLoop]: Abstraction has 17592 states and 79953 transitions. [2025-04-13 22:35:58,304 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:35:58,304 INFO L278 IsEmpty]: Start isEmpty. Operand 17592 states and 79953 transitions. [2025-04-13 22:35:58,335 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:35:58,336 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:35:58,336 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:35:58,336 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2025-04-13 22:35:58,336 INFO L403 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:35:58,336 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:35:58,336 INFO L85 PathProgramCache]: Analyzing trace with hash 554246238, now seen corresponding path program 99 times [2025-04-13 22:35:58,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:35:58,336 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363524052] [2025-04-13 22:35:58,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:35:58,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:35:58,340 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:35:58,342 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:35:58,342 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:35:58,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:35:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:35:58,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:35:58,559 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363524052] [2025-04-13 22:35:58,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363524052] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:35:58,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:35:58,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:35:58,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606317539] [2025-04-13 22:35:58,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:35:58,559 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:35:58,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:35:58,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:35:58,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:35:58,559 INFO L87 Difference]: Start difference. First operand 17592 states and 79953 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:00,463 INFO L93 Difference]: Finished difference Result 21081 states and 95814 transitions. [2025-04-13 22:36:00,463 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:36:00,463 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:00,463 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:00,567 INFO L225 Difference]: With dead ends: 21081 [2025-04-13 22:36:00,567 INFO L226 Difference]: Without dead ends: 20659 [2025-04-13 22:36:00,576 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=2282, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:36:00,576 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:00,576 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 0 Invalid, 5699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:36:00,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20659 states. [2025-04-13 22:36:00,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20659 to 17692. [2025-04-13 22:36:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17692 states, 17691 states have (on average 4.54428805607371) internal successors, (80393), 17691 states have internal predecessors, (80393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17692 states to 17692 states and 80393 transitions. [2025-04-13 22:36:00,980 INFO L79 Accepts]: Start accepts. Automaton has 17692 states and 80393 transitions. Word has length 64 [2025-04-13 22:36:00,980 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:00,980 INFO L485 AbstractCegarLoop]: Abstraction has 17692 states and 80393 transitions. [2025-04-13 22:36:00,980 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:00,980 INFO L278 IsEmpty]: Start isEmpty. Operand 17692 states and 80393 transitions. [2025-04-13 22:36:01,012 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:01,012 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:01,012 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:01,012 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2025-04-13 22:36:01,012 INFO L403 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:01,012 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:01,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1376932070, now seen corresponding path program 100 times [2025-04-13 22:36:01,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:01,012 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760338748] [2025-04-13 22:36:01,012 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:36:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:01,016 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:36:01,019 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:01,019 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:36:01,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:01,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:01,265 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760338748] [2025-04-13 22:36:01,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760338748] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:01,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:01,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:01,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486746589] [2025-04-13 22:36:01,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:01,266 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:01,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:01,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:01,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:01,266 INFO L87 Difference]: Start difference. First operand 17692 states and 80393 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:03,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:03,189 INFO L93 Difference]: Finished difference Result 21061 states and 95662 transitions. [2025-04-13 22:36:03,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-13 22:36:03,189 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:03,189 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:03,295 INFO L225 Difference]: With dead ends: 21061 [2025-04-13 22:36:03,295 INFO L226 Difference]: Without dead ends: 20619 [2025-04-13 22:36:03,304 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=2279, Unknown=0, NotChecked=0, Total=2550 [2025-04-13 22:36:03,304 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 621 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5587 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:03,304 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 0 Invalid, 5603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5587 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:36:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20619 states. [2025-04-13 22:36:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20619 to 17652. [2025-04-13 22:36:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17652 states, 17651 states have (on average 4.5439351878080565) internal successors, (80205), 17651 states have internal predecessors, (80205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17652 states to 17652 states and 80205 transitions. [2025-04-13 22:36:03,718 INFO L79 Accepts]: Start accepts. Automaton has 17652 states and 80205 transitions. Word has length 64 [2025-04-13 22:36:03,718 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:03,718 INFO L485 AbstractCegarLoop]: Abstraction has 17652 states and 80205 transitions. [2025-04-13 22:36:03,718 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:03,718 INFO L278 IsEmpty]: Start isEmpty. Operand 17652 states and 80205 transitions. [2025-04-13 22:36:03,749 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:03,749 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:03,749 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:03,749 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2025-04-13 22:36:03,749 INFO L403 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:03,749 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:03,750 INFO L85 PathProgramCache]: Analyzing trace with hash -575593552, now seen corresponding path program 101 times [2025-04-13 22:36:03,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:03,750 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094811811] [2025-04-13 22:36:03,750 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:36:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:03,753 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:03,756 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:03,756 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:03,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:03,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:03,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094811811] [2025-04-13 22:36:03,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094811811] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:03,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:03,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:03,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711775433] [2025-04-13 22:36:03,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:03,949 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:03,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:03,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:03,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:03,949 INFO L87 Difference]: Start difference. First operand 17652 states and 80205 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:06,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:06,014 INFO L93 Difference]: Finished difference Result 20919 states and 95249 transitions. [2025-04-13 22:36:06,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-13 22:36:06,014 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:06,014 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:06,121 INFO L225 Difference]: With dead ends: 20919 [2025-04-13 22:36:06,121 INFO L226 Difference]: Without dead ends: 20377 [2025-04-13 22:36:06,130 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=2680, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:36:06,131 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 691 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6156 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:06,131 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 0 Invalid, 6175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6156 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:36:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20377 states. [2025-04-13 22:36:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20377 to 17662. [2025-04-13 22:36:06,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17662 states, 17661 states have (on average 4.542098408923617) internal successors, (80218), 17661 states have internal predecessors, (80218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17662 states to 17662 states and 80218 transitions. [2025-04-13 22:36:06,540 INFO L79 Accepts]: Start accepts. Automaton has 17662 states and 80218 transitions. Word has length 64 [2025-04-13 22:36:06,541 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:06,541 INFO L485 AbstractCegarLoop]: Abstraction has 17662 states and 80218 transitions. [2025-04-13 22:36:06,541 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:06,541 INFO L278 IsEmpty]: Start isEmpty. Operand 17662 states and 80218 transitions. [2025-04-13 22:36:06,572 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:06,573 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:06,573 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:06,573 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2025-04-13 22:36:06,573 INFO L403 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:06,573 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash -100474500, now seen corresponding path program 102 times [2025-04-13 22:36:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:06,573 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366659939] [2025-04-13 22:36:06,573 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:36:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:06,577 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:06,580 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:06,580 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:36:06,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:06,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:06,782 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366659939] [2025-04-13 22:36:06,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366659939] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:06,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:06,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:06,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016714885] [2025-04-13 22:36:06,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:06,783 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:06,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:06,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:06,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:06,783 INFO L87 Difference]: Start difference. First operand 17662 states and 80218 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:08,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:08,965 INFO L93 Difference]: Finished difference Result 22343 states and 101439 transitions. [2025-04-13 22:36:08,965 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:36:08,965 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:08,965 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:09,081 INFO L225 Difference]: With dead ends: 22343 [2025-04-13 22:36:09,082 INFO L226 Difference]: Without dead ends: 21921 [2025-04-13 22:36:09,091 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=337, Invalid=2855, Unknown=0, NotChecked=0, Total=3192 [2025-04-13 22:36:09,092 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 720 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6455 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:09,092 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 0 Invalid, 6476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6455 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:36:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21921 states. [2025-04-13 22:36:09,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21921 to 17722. [2025-04-13 22:36:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17722 states, 17721 states have (on average 4.5409401275323065) internal successors, (80470), 17721 states have internal predecessors, (80470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17722 states to 17722 states and 80470 transitions. [2025-04-13 22:36:09,503 INFO L79 Accepts]: Start accepts. Automaton has 17722 states and 80470 transitions. Word has length 64 [2025-04-13 22:36:09,503 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:09,503 INFO L485 AbstractCegarLoop]: Abstraction has 17722 states and 80470 transitions. [2025-04-13 22:36:09,504 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:09,504 INFO L278 IsEmpty]: Start isEmpty. Operand 17722 states and 80470 transitions. [2025-04-13 22:36:09,535 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:09,535 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:09,535 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:09,535 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2025-04-13 22:36:09,535 INFO L403 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:09,535 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1282566900, now seen corresponding path program 103 times [2025-04-13 22:36:09,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:09,536 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050271706] [2025-04-13 22:36:09,536 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:36:09,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:09,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:09,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:09,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:36:09,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:09,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:09,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050271706] [2025-04-13 22:36:09,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050271706] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:09,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:09,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:09,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202776604] [2025-04-13 22:36:09,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:09,738 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:09,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:09,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:09,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:09,738 INFO L87 Difference]: Start difference. First operand 17722 states and 80470 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:12,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:12,068 INFO L93 Difference]: Finished difference Result 22619 states and 102715 transitions. [2025-04-13 22:36:12,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:36:12,068 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:12,068 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:12,186 INFO L225 Difference]: With dead ends: 22619 [2025-04-13 22:36:12,186 INFO L226 Difference]: Without dead ends: 22177 [2025-04-13 22:36:12,197 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=393, Invalid=3513, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:36:12,197 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 785 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6700 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:12,197 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 0 Invalid, 6725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 6700 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:36:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22177 states. [2025-04-13 22:36:12,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22177 to 17732. [2025-04-13 22:36:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17732 states, 17731 states have (on average 4.539112289210986) internal successors, (80483), 17731 states have internal predecessors, (80483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17732 states to 17732 states and 80483 transitions. [2025-04-13 22:36:12,619 INFO L79 Accepts]: Start accepts. Automaton has 17732 states and 80483 transitions. Word has length 64 [2025-04-13 22:36:12,619 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:12,619 INFO L485 AbstractCegarLoop]: Abstraction has 17732 states and 80483 transitions. [2025-04-13 22:36:12,619 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:12,619 INFO L278 IsEmpty]: Start isEmpty. Operand 17732 states and 80483 transitions. [2025-04-13 22:36:12,651 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:12,651 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:12,651 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:12,651 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2025-04-13 22:36:12,651 INFO L403 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:12,651 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -165108006, now seen corresponding path program 104 times [2025-04-13 22:36:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:12,652 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131272633] [2025-04-13 22:36:12,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:36:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:12,655 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:12,658 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:12,658 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:12,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:12,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:12,850 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131272633] [2025-04-13 22:36:12,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131272633] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:12,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:12,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:12,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750798144] [2025-04-13 22:36:12,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:12,850 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:12,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:12,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:12,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:12,851 INFO L87 Difference]: Start difference. First operand 17732 states and 80483 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:15,056 INFO L93 Difference]: Finished difference Result 22005 states and 100179 transitions. [2025-04-13 22:36:15,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-13 22:36:15,056 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:15,056 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:15,164 INFO L225 Difference]: With dead ends: 22005 [2025-04-13 22:36:15,164 INFO L226 Difference]: Without dead ends: 21583 [2025-04-13 22:36:15,174 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=358, Invalid=3182, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:36:15,174 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 668 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6519 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:15,174 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 0 Invalid, 6543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6519 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:36:15,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21583 states. [2025-04-13 22:36:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21583 to 17782. [2025-04-13 22:36:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17782 states, 17781 states have (on average 4.5373151116360155) internal successors, (80678), 17781 states have internal predecessors, (80678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17782 states to 17782 states and 80678 transitions. [2025-04-13 22:36:15,585 INFO L79 Accepts]: Start accepts. Automaton has 17782 states and 80678 transitions. Word has length 64 [2025-04-13 22:36:15,585 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:15,585 INFO L485 AbstractCegarLoop]: Abstraction has 17782 states and 80678 transitions. [2025-04-13 22:36:15,585 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:15,585 INFO L278 IsEmpty]: Start isEmpty. Operand 17782 states and 80678 transitions. [2025-04-13 22:36:15,616 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:15,616 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:15,616 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:15,616 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2025-04-13 22:36:15,617 INFO L403 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:15,617 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:15,617 INFO L85 PathProgramCache]: Analyzing trace with hash -608754946, now seen corresponding path program 105 times [2025-04-13 22:36:15,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:15,617 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155162312] [2025-04-13 22:36:15,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:36:15,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:15,621 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:15,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:15,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:36:15,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:15,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:15,815 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155162312] [2025-04-13 22:36:15,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155162312] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:15,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:15,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:15,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265971380] [2025-04-13 22:36:15,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:15,815 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:15,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:15,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:15,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:15,816 INFO L87 Difference]: Start difference. First operand 17782 states and 80678 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:18,171 INFO L93 Difference]: Finished difference Result 22159 states and 101307 transitions. [2025-04-13 22:36:18,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:36:18,171 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:18,171 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:18,282 INFO L225 Difference]: With dead ends: 22159 [2025-04-13 22:36:18,282 INFO L226 Difference]: Without dead ends: 21417 [2025-04-13 22:36:18,292 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=381, Invalid=3525, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:36:18,292 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 714 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6479 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 6479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:18,292 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 0 Invalid, 6505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 6479 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:36:18,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21417 states. [2025-04-13 22:36:18,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21417 to 17592. [2025-04-13 22:36:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17592 states, 17591 states have (on average 4.543971348985276) internal successors, (79933), 17591 states have internal predecessors, (79933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17592 states to 17592 states and 79933 transitions. [2025-04-13 22:36:18,707 INFO L79 Accepts]: Start accepts. Automaton has 17592 states and 79933 transitions. Word has length 64 [2025-04-13 22:36:18,707 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:18,707 INFO L485 AbstractCegarLoop]: Abstraction has 17592 states and 79933 transitions. [2025-04-13 22:36:18,707 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:18,707 INFO L278 IsEmpty]: Start isEmpty. Operand 17592 states and 79933 transitions. [2025-04-13 22:36:18,738 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:18,738 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:18,738 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:18,738 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2025-04-13 22:36:18,738 INFO L403 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:18,739 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:18,739 INFO L85 PathProgramCache]: Analyzing trace with hash -876860472, now seen corresponding path program 106 times [2025-04-13 22:36:18,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:18,739 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136612067] [2025-04-13 22:36:18,739 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:36:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:18,742 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:36:18,745 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:18,745 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:36:18,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:18,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:18,997 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136612067] [2025-04-13 22:36:18,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136612067] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:18,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:18,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138204490] [2025-04-13 22:36:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:18,998 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:18,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:18,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:18,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:18,998 INFO L87 Difference]: Start difference. First operand 17592 states and 79933 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:21,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:21,358 INFO L93 Difference]: Finished difference Result 22510 states and 102101 transitions. [2025-04-13 22:36:21,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-13 22:36:21,358 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:21,359 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:21,472 INFO L225 Difference]: With dead ends: 22510 [2025-04-13 22:36:21,472 INFO L226 Difference]: Without dead ends: 21838 [2025-04-13 22:36:21,482 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=358, Invalid=3182, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:36:21,482 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 764 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6938 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:21,482 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 0 Invalid, 6959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6938 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:36:21,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21838 states. [2025-04-13 22:36:21,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21838 to 17772. [2025-04-13 22:36:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17772 states, 17771 states have (on average 4.538348995554555) internal successors, (80651), 17771 states have internal predecessors, (80651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17772 states to 17772 states and 80651 transitions. [2025-04-13 22:36:21,902 INFO L79 Accepts]: Start accepts. Automaton has 17772 states and 80651 transitions. Word has length 64 [2025-04-13 22:36:21,902 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:21,902 INFO L485 AbstractCegarLoop]: Abstraction has 17772 states and 80651 transitions. [2025-04-13 22:36:21,902 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:21,902 INFO L278 IsEmpty]: Start isEmpty. Operand 17772 states and 80651 transitions. [2025-04-13 22:36:21,935 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:21,935 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:21,935 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:21,935 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2025-04-13 22:36:21,935 INFO L403 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:21,935 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2058952872, now seen corresponding path program 107 times [2025-04-13 22:36:21,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:21,936 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339925881] [2025-04-13 22:36:21,936 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:36:21,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:21,939 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:21,942 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:21,942 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:21,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:22,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:22,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339925881] [2025-04-13 22:36:22,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339925881] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:22,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:22,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:22,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678493346] [2025-04-13 22:36:22,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:22,139 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:22,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:22,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:22,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:22,139 INFO L87 Difference]: Start difference. First operand 17772 states and 80651 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:24,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:24,577 INFO L93 Difference]: Finished difference Result 23244 states and 105493 transitions. [2025-04-13 22:36:24,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-13 22:36:24,578 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:24,578 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:24,693 INFO L225 Difference]: With dead ends: 23244 [2025-04-13 22:36:24,693 INFO L226 Difference]: Without dead ends: 22702 [2025-04-13 22:36:24,703 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=3414, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:36:24,704 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 772 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7059 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 7059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:24,704 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 0 Invalid, 7079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 7059 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:36:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22702 states. [2025-04-13 22:36:25,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22702 to 17632. [2025-04-13 22:36:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17632 states, 17631 states have (on average 4.542056604843741) internal successors, (80081), 17631 states have internal predecessors, (80081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17632 states to 17632 states and 80081 transitions. [2025-04-13 22:36:25,152 INFO L79 Accepts]: Start accepts. Automaton has 17632 states and 80081 transitions. Word has length 64 [2025-04-13 22:36:25,152 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:25,153 INFO L485 AbstractCegarLoop]: Abstraction has 17632 states and 80081 transitions. [2025-04-13 22:36:25,153 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:25,153 INFO L278 IsEmpty]: Start isEmpty. Operand 17632 states and 80081 transitions. [2025-04-13 22:36:25,185 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:25,185 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:25,185 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:25,185 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2025-04-13 22:36:25,185 INFO L403 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:25,185 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:25,185 INFO L85 PathProgramCache]: Analyzing trace with hash -941493978, now seen corresponding path program 108 times [2025-04-13 22:36:25,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:25,185 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666697405] [2025-04-13 22:36:25,186 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:36:25,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:25,189 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:25,192 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:25,192 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:36:25,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:25,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:25,391 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666697405] [2025-04-13 22:36:25,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666697405] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:25,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:25,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:25,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355151260] [2025-04-13 22:36:25,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:25,392 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:25,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:25,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:25,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:25,392 INFO L87 Difference]: Start difference. First operand 17632 states and 80081 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:27,640 INFO L93 Difference]: Finished difference Result 21557 states and 97970 transitions. [2025-04-13 22:36:27,640 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-13 22:36:27,640 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:27,640 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:27,750 INFO L225 Difference]: With dead ends: 21557 [2025-04-13 22:36:27,750 INFO L226 Difference]: Without dead ends: 20940 [2025-04-13 22:36:27,761 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=355, Invalid=3305, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:36:27,761 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 756 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6362 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:27,761 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 0 Invalid, 6383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6362 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:36:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20940 states. [2025-04-13 22:36:28,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20940 to 17612. [2025-04-13 22:36:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17612 states, 17611 states have (on average 4.542445062744876) internal successors, (79997), 17611 states have internal predecessors, (79997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17612 states to 17612 states and 79997 transitions. [2025-04-13 22:36:28,173 INFO L79 Accepts]: Start accepts. Automaton has 17612 states and 79997 transitions. Word has length 64 [2025-04-13 22:36:28,173 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:28,173 INFO L485 AbstractCegarLoop]: Abstraction has 17612 states and 79997 transitions. [2025-04-13 22:36:28,173 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:28,173 INFO L278 IsEmpty]: Start isEmpty. Operand 17612 states and 79997 transitions. [2025-04-13 22:36:28,205 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:28,205 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:28,205 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:28,205 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2025-04-13 22:36:28,205 INFO L403 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:28,205 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:28,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1272017024, now seen corresponding path program 109 times [2025-04-13 22:36:28,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:28,205 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505335286] [2025-04-13 22:36:28,205 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:36:28,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:28,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:28,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:28,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:36:28,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:28,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505335286] [2025-04-13 22:36:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505335286] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:28,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:28,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:28,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541029346] [2025-04-13 22:36:28,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:28,406 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:28,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:28,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:28,406 INFO L87 Difference]: Start difference. First operand 17612 states and 79997 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:30,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:30,555 INFO L93 Difference]: Finished difference Result 21641 states and 98464 transitions. [2025-04-13 22:36:30,555 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:36:30,555 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:30,555 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:30,665 INFO L225 Difference]: With dead ends: 21641 [2025-04-13 22:36:30,665 INFO L226 Difference]: Without dead ends: 20649 [2025-04-13 22:36:30,674 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=347, Invalid=3313, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:36:30,675 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 721 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6200 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:30,675 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 0 Invalid, 6224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6200 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:36:30,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20649 states. [2025-04-13 22:36:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20649 to 18502. [2025-04-13 22:36:30,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18502 states, 18501 states have (on average 4.537376358034701) internal successors, (83946), 18501 states have internal predecessors, (83946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18502 states to 18502 states and 83946 transitions. [2025-04-13 22:36:31,084 INFO L79 Accepts]: Start accepts. Automaton has 18502 states and 83946 transitions. Word has length 64 [2025-04-13 22:36:31,084 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:31,084 INFO L485 AbstractCegarLoop]: Abstraction has 18502 states and 83946 transitions. [2025-04-13 22:36:31,084 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:31,085 INFO L278 IsEmpty]: Start isEmpty. Operand 18502 states and 83946 transitions. [2025-04-13 22:36:31,116 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:31,117 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:31,117 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:31,117 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2025-04-13 22:36:31,117 INFO L403 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:31,117 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:31,117 INFO L85 PathProgramCache]: Analyzing trace with hash 859567034, now seen corresponding path program 110 times [2025-04-13 22:36:31,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:31,117 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642016063] [2025-04-13 22:36:31,117 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:36:31,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:31,121 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:31,123 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:31,123 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:31,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:31,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:31,308 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642016063] [2025-04-13 22:36:31,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642016063] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:31,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:31,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:36:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144222489] [2025-04-13 22:36:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:31,308 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:36:31,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:31,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:36:31,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:36:31,309 INFO L87 Difference]: Start difference. First operand 18502 states and 83946 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:33,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:33,304 INFO L93 Difference]: Finished difference Result 21813 states and 99086 transitions. [2025-04-13 22:36:33,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-13 22:36:33,305 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:33,305 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:33,418 INFO L225 Difference]: With dead ends: 21813 [2025-04-13 22:36:33,418 INFO L226 Difference]: Without dead ends: 21311 [2025-04-13 22:36:33,425 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=232, Invalid=2218, Unknown=0, NotChecked=0, Total=2450 [2025-04-13 22:36:33,425 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 578 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5591 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:33,425 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 0 Invalid, 5601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5591 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:36:33,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21311 states. [2025-04-13 22:36:33,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21311 to 19112. [2025-04-13 22:36:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19112 states, 19111 states have (on average 4.531160064884098) internal successors, (86595), 19111 states have internal predecessors, (86595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19112 states to 19112 states and 86595 transitions. [2025-04-13 22:36:33,840 INFO L79 Accepts]: Start accepts. Automaton has 19112 states and 86595 transitions. Word has length 64 [2025-04-13 22:36:33,841 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:33,841 INFO L485 AbstractCegarLoop]: Abstraction has 19112 states and 86595 transitions. [2025-04-13 22:36:33,841 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:33,841 INFO L278 IsEmpty]: Start isEmpty. Operand 19112 states and 86595 transitions. [2025-04-13 22:36:33,874 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:33,874 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:33,874 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:33,874 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2025-04-13 22:36:33,874 INFO L403 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:33,875 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:33,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1418804564, now seen corresponding path program 111 times [2025-04-13 22:36:33,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:33,875 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286745583] [2025-04-13 22:36:33,875 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:36:33,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:33,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:33,881 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:33,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:36:33,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:34,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:34,067 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286745583] [2025-04-13 22:36:34,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286745583] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:34,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:34,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:36:34,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425161669] [2025-04-13 22:36:34,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:34,067 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:36:34,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:34,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:36:34,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:36:34,068 INFO L87 Difference]: Start difference. First operand 19112 states and 86595 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:35,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:35,811 INFO L93 Difference]: Finished difference Result 21758 states and 98645 transitions. [2025-04-13 22:36:35,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:36:35,812 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:35,812 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:35,926 INFO L225 Difference]: With dead ends: 21758 [2025-04-13 22:36:35,926 INFO L226 Difference]: Without dead ends: 21131 [2025-04-13 22:36:35,931 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=191, Invalid=1701, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:36:35,931 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4985 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:35,932 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 0 Invalid, 4994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 4985 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:36:35,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21131 states. [2025-04-13 22:36:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21131 to 19112. [2025-04-13 22:36:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19112 states, 19111 states have (on average 4.531160064884098) internal successors, (86595), 19111 states have internal predecessors, (86595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19112 states to 19112 states and 86595 transitions. [2025-04-13 22:36:36,359 INFO L79 Accepts]: Start accepts. Automaton has 19112 states and 86595 transitions. Word has length 64 [2025-04-13 22:36:36,359 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:36,359 INFO L485 AbstractCegarLoop]: Abstraction has 19112 states and 86595 transitions. [2025-04-13 22:36:36,359 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:36,360 INFO L278 IsEmpty]: Start isEmpty. Operand 19112 states and 86595 transitions. [2025-04-13 22:36:36,395 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:36,395 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:36,396 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:36,396 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2025-04-13 22:36:36,396 INFO L403 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:36,396 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:36,396 INFO L85 PathProgramCache]: Analyzing trace with hash 573554856, now seen corresponding path program 112 times [2025-04-13 22:36:36,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:36,396 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190525854] [2025-04-13 22:36:36,396 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:36:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:36,402 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:36:36,412 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:36,413 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:36:36,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:36,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:36,660 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190525854] [2025-04-13 22:36:36,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190525854] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:36,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:36,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:36:36,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069503467] [2025-04-13 22:36:36,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:36,660 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:36:36,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:36,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:36:36,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:36:36,660 INFO L87 Difference]: Start difference. First operand 19112 states and 86595 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:38,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:38,414 INFO L93 Difference]: Finished difference Result 21683 states and 98311 transitions. [2025-04-13 22:36:38,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:36:38,414 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:38,415 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:38,525 INFO L225 Difference]: With dead ends: 21683 [2025-04-13 22:36:38,526 INFO L226 Difference]: Without dead ends: 20631 [2025-04-13 22:36:38,535 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=1777, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:36:38,535 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 588 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:38,535 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 0 Invalid, 5110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5100 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:36:38,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20631 states. [2025-04-13 22:36:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20631 to 19012. [2025-04-13 22:36:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19012 states, 19011 states have (on average 4.531218768081637) internal successors, (86143), 19011 states have internal predecessors, (86143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19012 states to 19012 states and 86143 transitions. [2025-04-13 22:36:38,947 INFO L79 Accepts]: Start accepts. Automaton has 19012 states and 86143 transitions. Word has length 64 [2025-04-13 22:36:38,948 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:38,948 INFO L485 AbstractCegarLoop]: Abstraction has 19012 states and 86143 transitions. [2025-04-13 22:36:38,948 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:38,948 INFO L278 IsEmpty]: Start isEmpty. Operand 19012 states and 86143 transitions. [2025-04-13 22:36:38,981 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:38,981 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:38,981 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:38,981 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2025-04-13 22:36:38,981 INFO L403 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:38,981 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:38,981 INFO L85 PathProgramCache]: Analyzing trace with hash -164265008, now seen corresponding path program 113 times [2025-04-13 22:36:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:38,981 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956606220] [2025-04-13 22:36:38,981 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:36:38,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:38,985 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:38,987 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:38,987 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:38,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:39,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:39,172 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956606220] [2025-04-13 22:36:39,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956606220] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:39,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:39,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:36:39,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300691203] [2025-04-13 22:36:39,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:39,172 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:36:39,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:39,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:36:39,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:36:39,173 INFO L87 Difference]: Start difference. First operand 19012 states and 86143 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:41,565 INFO L93 Difference]: Finished difference Result 26112 states and 118532 transitions. [2025-04-13 22:36:41,566 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:36:41,566 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:41,566 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:41,701 INFO L225 Difference]: With dead ends: 26112 [2025-04-13 22:36:41,701 INFO L226 Difference]: Without dead ends: 25485 [2025-04-13 22:36:41,713 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=379, Invalid=3527, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:36:41,714 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 781 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6821 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:41,714 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 0 Invalid, 6841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6821 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:36:41,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25485 states. [2025-04-13 22:36:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25485 to 19742. [2025-04-13 22:36:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19742 states, 19741 states have (on average 4.525606605541766) internal successors, (89340), 19741 states have internal predecessors, (89340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19742 states to 19742 states and 89340 transitions. [2025-04-13 22:36:42,202 INFO L79 Accepts]: Start accepts. Automaton has 19742 states and 89340 transitions. Word has length 64 [2025-04-13 22:36:42,202 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:42,202 INFO L485 AbstractCegarLoop]: Abstraction has 19742 states and 89340 transitions. [2025-04-13 22:36:42,202 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:42,202 INFO L278 IsEmpty]: Start isEmpty. Operand 19742 states and 89340 transitions. [2025-04-13 22:36:42,240 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:42,240 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:42,241 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:42,241 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2025-04-13 22:36:42,241 INFO L403 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:42,241 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:42,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1831237958, now seen corresponding path program 114 times [2025-04-13 22:36:42,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:42,241 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482518787] [2025-04-13 22:36:42,241 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:36:42,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:42,245 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:42,248 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:42,248 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:36:42,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:42,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:42,508 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482518787] [2025-04-13 22:36:42,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482518787] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:42,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:42,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:36:42,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141492181] [2025-04-13 22:36:42,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:42,508 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:36:42,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:42,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:36:42,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:36:42,508 INFO L87 Difference]: Start difference. First operand 19742 states and 89340 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:44,662 INFO L93 Difference]: Finished difference Result 25640 states and 116623 transitions. [2025-04-13 22:36:44,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-13 22:36:44,662 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:44,662 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:44,790 INFO L225 Difference]: With dead ends: 25640 [2025-04-13 22:36:44,790 INFO L226 Difference]: Without dead ends: 24688 [2025-04-13 22:36:44,801 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=340, Invalid=3082, Unknown=0, NotChecked=0, Total=3422 [2025-04-13 22:36:44,801 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 741 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6378 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:44,801 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 0 Invalid, 6400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6378 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:36:44,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24688 states. [2025-04-13 22:36:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24688 to 20032. [2025-04-13 22:36:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20032 states, 20031 states have (on average 4.5233388248215265) internal successors, (90607), 20031 states have internal predecessors, (90607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20032 states to 20032 states and 90607 transitions. [2025-04-13 22:36:45,453 INFO L79 Accepts]: Start accepts. Automaton has 20032 states and 90607 transitions. Word has length 64 [2025-04-13 22:36:45,453 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:45,453 INFO L485 AbstractCegarLoop]: Abstraction has 20032 states and 90607 transitions. [2025-04-13 22:36:45,453 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:45,453 INFO L278 IsEmpty]: Start isEmpty. Operand 20032 states and 90607 transitions. [2025-04-13 22:36:45,494 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:45,494 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:45,494 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:45,494 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2025-04-13 22:36:45,494 INFO L403 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:45,495 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash -629678372, now seen corresponding path program 115 times [2025-04-13 22:36:45,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:45,495 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091308729] [2025-04-13 22:36:45,495 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:36:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:45,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:45,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:45,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:36:45,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:45,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:45,698 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091308729] [2025-04-13 22:36:45,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091308729] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:45,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:45,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:45,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445660046] [2025-04-13 22:36:45,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:45,698 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:45,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:45,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:45,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:45,699 INFO L87 Difference]: Start difference. First operand 20032 states and 90607 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:47,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:47,640 INFO L93 Difference]: Finished difference Result 24761 states and 111886 transitions. [2025-04-13 22:36:47,640 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:36:47,640 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:47,640 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:47,905 INFO L225 Difference]: With dead ends: 24761 [2025-04-13 22:36:47,905 INFO L226 Difference]: Without dead ends: 24339 [2025-04-13 22:36:47,910 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=2204, Unknown=0, NotChecked=0, Total=2450 [2025-04-13 22:36:47,910 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 600 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5879 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:47,910 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 0 Invalid, 5895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5879 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:36:47,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24339 states. [2025-04-13 22:36:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24339 to 20312. [2025-04-13 22:36:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20312 states, 20311 states have (on average 4.524789522918615) internal successors, (91903), 20311 states have internal predecessors, (91903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20312 states to 20312 states and 91903 transitions. [2025-04-13 22:36:48,382 INFO L79 Accepts]: Start accepts. Automaton has 20312 states and 91903 transitions. Word has length 64 [2025-04-13 22:36:48,382 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:48,382 INFO L485 AbstractCegarLoop]: Abstraction has 20312 states and 91903 transitions. [2025-04-13 22:36:48,382 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:48,382 INFO L278 IsEmpty]: Start isEmpty. Operand 20312 states and 91903 transitions. [2025-04-13 22:36:48,420 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:48,420 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:48,420 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:48,420 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2025-04-13 22:36:48,420 INFO L403 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:48,421 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:48,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1791715300, now seen corresponding path program 116 times [2025-04-13 22:36:48,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:48,421 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685061487] [2025-04-13 22:36:48,421 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:36:48,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:48,424 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:48,427 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:48,427 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:48,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:48,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:48,645 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685061487] [2025-04-13 22:36:48,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685061487] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:48,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:48,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:48,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598792456] [2025-04-13 22:36:48,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:48,645 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:48,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:48,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:48,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:48,645 INFO L87 Difference]: Start difference. First operand 20312 states and 91903 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:50,920 INFO L93 Difference]: Finished difference Result 25573 states and 115258 transitions. [2025-04-13 22:36:50,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 22:36:50,921 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:50,921 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:51,062 INFO L225 Difference]: With dead ends: 25573 [2025-04-13 22:36:51,063 INFO L226 Difference]: Without dead ends: 25131 [2025-04-13 22:36:51,074 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=286, Invalid=2794, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:36:51,075 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 683 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6551 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:51,075 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 0 Invalid, 6570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6551 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:36:51,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25131 states. [2025-04-13 22:36:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25131 to 20372. [2025-04-13 22:36:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20372 states, 20371 states have (on average 4.5238328997103725) internal successors, (92155), 20371 states have internal predecessors, (92155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20372 states to 20372 states and 92155 transitions. [2025-04-13 22:36:51,704 INFO L79 Accepts]: Start accepts. Automaton has 20372 states and 92155 transitions. Word has length 64 [2025-04-13 22:36:51,704 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:51,704 INFO L485 AbstractCegarLoop]: Abstraction has 20372 states and 92155 transitions. [2025-04-13 22:36:51,704 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:51,704 INFO L278 IsEmpty]: Start isEmpty. Operand 20372 states and 92155 transitions. [2025-04-13 22:36:51,744 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:51,744 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:51,744 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:51,744 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2025-04-13 22:36:51,744 INFO L403 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:51,744 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:51,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1759518162, now seen corresponding path program 117 times [2025-04-13 22:36:51,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:51,744 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656282013] [2025-04-13 22:36:51,744 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:36:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:51,748 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:51,751 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:51,751 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:36:51,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:51,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:51,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656282013] [2025-04-13 22:36:51,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656282013] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:51,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:51,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:51,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869687391] [2025-04-13 22:36:51,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:51,945 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:51,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:51,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:51,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:51,946 INFO L87 Difference]: Start difference. First operand 20372 states and 92155 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:54,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:54,263 INFO L93 Difference]: Finished difference Result 24989 states and 113146 transitions. [2025-04-13 22:36:54,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-13 22:36:54,267 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:54,267 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:54,537 INFO L225 Difference]: With dead ends: 24989 [2025-04-13 22:36:54,537 INFO L226 Difference]: Without dead ends: 24397 [2025-04-13 22:36:54,544 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=322, Invalid=3218, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:36:54,544 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 693 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6665 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:54,544 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 0 Invalid, 6687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6665 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:36:54,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24397 states. [2025-04-13 22:36:54,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24397 to 20652. [2025-04-13 22:36:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20652 states, 20651 states have (on average 4.522928671735025) internal successors, (93403), 20651 states have internal predecessors, (93403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20652 states to 20652 states and 93403 transitions. [2025-04-13 22:36:55,140 INFO L79 Accepts]: Start accepts. Automaton has 20652 states and 93403 transitions. Word has length 64 [2025-04-13 22:36:55,141 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:55,141 INFO L485 AbstractCegarLoop]: Abstraction has 20652 states and 93403 transitions. [2025-04-13 22:36:55,141 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:55,141 INFO L278 IsEmpty]: Start isEmpty. Operand 20652 states and 93403 transitions. [2025-04-13 22:36:55,178 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:55,178 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:55,178 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:55,178 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2025-04-13 22:36:55,178 INFO L403 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:55,179 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:55,179 INFO L85 PathProgramCache]: Analyzing trace with hash 314308730, now seen corresponding path program 118 times [2025-04-13 22:36:55,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:55,179 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293319355] [2025-04-13 22:36:55,179 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:36:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:55,183 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:36:55,187 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:55,187 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:36:55,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:55,431 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293319355] [2025-04-13 22:36:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293319355] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:55,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:55,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637584574] [2025-04-13 22:36:55,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:55,431 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:55,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:55,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:55,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:55,432 INFO L87 Difference]: Start difference. First operand 20652 states and 93403 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:36:57,842 INFO L93 Difference]: Finished difference Result 26845 states and 120873 transitions. [2025-04-13 22:36:57,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:36:57,843 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:36:57,843 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:36:57,984 INFO L225 Difference]: With dead ends: 26845 [2025-04-13 22:36:57,984 INFO L226 Difference]: Without dead ends: 26423 [2025-04-13 22:36:57,995 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=315, Invalid=2765, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:36:57,996 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 718 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6712 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:36:57,996 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 0 Invalid, 6733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6712 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:36:58,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26423 states. [2025-04-13 22:36:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26423 to 20732. [2025-04-13 22:36:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20732 states, 20731 states have (on average 4.522647243258888) internal successors, (93759), 20731 states have internal predecessors, (93759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20732 states to 20732 states and 93759 transitions. [2025-04-13 22:36:58,609 INFO L79 Accepts]: Start accepts. Automaton has 20732 states and 93759 transitions. Word has length 64 [2025-04-13 22:36:58,609 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:36:58,609 INFO L485 AbstractCegarLoop]: Abstraction has 20732 states and 93759 transitions. [2025-04-13 22:36:58,609 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:36:58,609 INFO L278 IsEmpty]: Start isEmpty. Operand 20732 states and 93759 transitions. [2025-04-13 22:36:58,647 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:36:58,647 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:36:58,647 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:36:58,647 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2025-04-13 22:36:58,647 INFO L403 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:36:58,647 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:36:58,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1828475786, now seen corresponding path program 119 times [2025-04-13 22:36:58,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:36:58,648 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095811346] [2025-04-13 22:36:58,648 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:36:58,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:36:58,651 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:36:58,654 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:36:58,654 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:36:58,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:36:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:36:58,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:36:58,859 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095811346] [2025-04-13 22:36:58,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095811346] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:36:58,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:36:58,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:36:58,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526750267] [2025-04-13 22:36:58,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:36:58,859 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:36:58,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:36:58,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:36:58,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:36:58,860 INFO L87 Difference]: Start difference. First operand 20732 states and 93759 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:01,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:01,635 INFO L93 Difference]: Finished difference Result 27471 states and 123719 transitions. [2025-04-13 22:37:01,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-13 22:37:01,635 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:01,635 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:01,781 INFO L225 Difference]: With dead ends: 27471 [2025-04-13 22:37:01,782 INFO L226 Difference]: Without dead ends: 27029 [2025-04-13 22:37:01,791 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=396, Invalid=3894, Unknown=0, NotChecked=0, Total=4290 [2025-04-13 22:37:01,791 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 831 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7681 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 7681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:01,791 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 0 Invalid, 7709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 7681 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:37:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27029 states. [2025-04-13 22:37:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27029 to 20842. [2025-04-13 22:37:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20842 states, 20841 states have (on average 4.519168945827936) internal successors, (94184), 20841 states have internal predecessors, (94184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20842 states to 20842 states and 94184 transitions. [2025-04-13 22:37:02,488 INFO L79 Accepts]: Start accepts. Automaton has 20842 states and 94184 transitions. Word has length 64 [2025-04-13 22:37:02,488 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:02,488 INFO L485 AbstractCegarLoop]: Abstraction has 20842 states and 94184 transitions. [2025-04-13 22:37:02,488 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:02,488 INFO L278 IsEmpty]: Start isEmpty. Operand 20842 states and 94184 transitions. [2025-04-13 22:37:02,532 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:02,532 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:02,532 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:02,532 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2025-04-13 22:37:02,532 INFO L403 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:02,533 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash 249675224, now seen corresponding path program 120 times [2025-04-13 22:37:02,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:02,533 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061089467] [2025-04-13 22:37:02,533 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:37:02,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:02,536 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:02,539 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:02,539 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:37:02,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:02,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:02,758 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061089467] [2025-04-13 22:37:02,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061089467] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:02,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:02,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:02,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164064147] [2025-04-13 22:37:02,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:02,758 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:02,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:02,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:02,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:02,759 INFO L87 Difference]: Start difference. First operand 20842 states and 94184 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:05,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:05,186 INFO L93 Difference]: Finished difference Result 26477 states and 119398 transitions. [2025-04-13 22:37:05,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-13 22:37:05,186 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:05,186 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:05,330 INFO L225 Difference]: With dead ends: 26477 [2025-04-13 22:37:05,330 INFO L226 Difference]: Without dead ends: 26055 [2025-04-13 22:37:05,341 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=336, Invalid=3086, Unknown=0, NotChecked=0, Total=3422 [2025-04-13 22:37:05,342 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6748 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:05,342 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 0 Invalid, 6772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6748 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:37:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26055 states. [2025-04-13 22:37:05,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26055 to 20892. [2025-04-13 22:37:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20892 states, 20891 states have (on average 4.517687042267005) internal successors, (94379), 20891 states have internal predecessors, (94379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20892 states to 20892 states and 94379 transitions. [2025-04-13 22:37:06,007 INFO L79 Accepts]: Start accepts. Automaton has 20892 states and 94379 transitions. Word has length 64 [2025-04-13 22:37:06,007 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:06,007 INFO L485 AbstractCegarLoop]: Abstraction has 20892 states and 94379 transitions. [2025-04-13 22:37:06,007 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:06,008 INFO L278 IsEmpty]: Start isEmpty. Operand 20892 states and 94379 transitions. [2025-04-13 22:37:06,052 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:06,052 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:06,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:06,052 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2025-04-13 22:37:06,052 INFO L403 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:06,053 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:06,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1792679556, now seen corresponding path program 121 times [2025-04-13 22:37:06,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:06,053 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820077863] [2025-04-13 22:37:06,053 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:37:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:06,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:06,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:06,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:37:06,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:06,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:06,313 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820077863] [2025-04-13 22:37:06,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820077863] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:06,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:06,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:06,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346416575] [2025-04-13 22:37:06,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:06,314 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:06,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:06,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:06,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:06,314 INFO L87 Difference]: Start difference. First operand 20892 states and 94379 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:08,832 INFO L93 Difference]: Finished difference Result 26933 states and 121664 transitions. [2025-04-13 22:37:08,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:37:08,832 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:08,832 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:08,968 INFO L225 Difference]: With dead ends: 26933 [2025-04-13 22:37:08,968 INFO L226 Difference]: Without dead ends: 26191 [2025-04-13 22:37:08,980 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=359, Invalid=3423, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:37:08,981 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 742 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6803 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 6803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:08,981 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 0 Invalid, 6829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 6803 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:37:09,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26191 states. [2025-04-13 22:37:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26191 to 20702. [2025-04-13 22:37:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20702 states, 20701 states have (on average 4.518815516158639) internal successors, (93544), 20701 states have internal predecessors, (93544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20702 states to 20702 states and 93544 transitions. [2025-04-13 22:37:09,565 INFO L79 Accepts]: Start accepts. Automaton has 20702 states and 93544 transitions. Word has length 64 [2025-04-13 22:37:09,565 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:09,565 INFO L485 AbstractCegarLoop]: Abstraction has 20702 states and 93544 transitions. [2025-04-13 22:37:09,566 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:09,566 INFO L278 IsEmpty]: Start isEmpty. Operand 20702 states and 93544 transitions. [2025-04-13 22:37:09,602 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:09,602 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:09,602 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:09,602 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2025-04-13 22:37:09,603 INFO L403 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:09,603 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:09,603 INFO L85 PathProgramCache]: Analyzing trace with hash -462077242, now seen corresponding path program 122 times [2025-04-13 22:37:09,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:09,603 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488401780] [2025-04-13 22:37:09,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:37:09,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:09,606 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:09,609 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:09,609 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:37:09,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:09,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:09,806 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488401780] [2025-04-13 22:37:09,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488401780] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:09,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:09,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:09,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697174849] [2025-04-13 22:37:09,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:09,806 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:09,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:09,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:09,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:09,807 INFO L87 Difference]: Start difference. First operand 20702 states and 93544 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:12,054 INFO L93 Difference]: Finished difference Result 26485 states and 119355 transitions. [2025-04-13 22:37:12,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:37:12,054 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:12,055 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:12,188 INFO L225 Difference]: With dead ends: 26485 [2025-04-13 22:37:12,189 INFO L226 Difference]: Without dead ends: 25748 [2025-04-13 22:37:12,199 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=309, Invalid=2771, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:37:12,200 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 722 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6791 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:12,200 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 0 Invalid, 6813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6791 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:37:12,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25748 states. [2025-04-13 22:37:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25748 to 20782. [2025-04-13 22:37:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20782 states, 20781 states have (on average 4.514027236417881) internal successors, (93806), 20781 states have internal predecessors, (93806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20782 states to 20782 states and 93806 transitions. [2025-04-13 22:37:12,829 INFO L79 Accepts]: Start accepts. Automaton has 20782 states and 93806 transitions. Word has length 64 [2025-04-13 22:37:12,829 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:12,829 INFO L485 AbstractCegarLoop]: Abstraction has 20782 states and 93806 transitions. [2025-04-13 22:37:12,829 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:12,829 INFO L278 IsEmpty]: Start isEmpty. Operand 20782 states and 93806 transitions. [2025-04-13 22:37:12,867 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:12,867 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:12,867 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:12,867 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2025-04-13 22:37:12,867 INFO L403 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:12,867 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash -980324056, now seen corresponding path program 123 times [2025-04-13 22:37:12,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:12,867 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437528661] [2025-04-13 22:37:12,868 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:37:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:12,871 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:12,873 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:12,873 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:37:12,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:13,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:13,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437528661] [2025-04-13 22:37:13,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437528661] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:13,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:13,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:13,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069920818] [2025-04-13 22:37:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:13,073 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:13,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:13,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:13,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:13,073 INFO L87 Difference]: Start difference. First operand 20782 states and 93806 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:15,321 INFO L93 Difference]: Finished difference Result 25412 states and 114638 transitions. [2025-04-13 22:37:15,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:37:15,321 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:15,322 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:15,446 INFO L225 Difference]: With dead ends: 25412 [2025-04-13 22:37:15,446 INFO L226 Difference]: Without dead ends: 24655 [2025-04-13 22:37:15,457 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=316, Invalid=2876, Unknown=0, NotChecked=0, Total=3192 [2025-04-13 22:37:15,457 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 702 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6411 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:15,458 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 0 Invalid, 6431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6411 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:37:15,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24655 states. [2025-04-13 22:37:15,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24655 to 20622. [2025-04-13 22:37:15,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20622 states, 20621 states have (on average 4.519373454245672) internal successors, (93194), 20621 states have internal predecessors, (93194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20622 states to 20622 states and 93194 transitions. [2025-04-13 22:37:15,944 INFO L79 Accepts]: Start accepts. Automaton has 20622 states and 93194 transitions. Word has length 64 [2025-04-13 22:37:15,944 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:15,944 INFO L485 AbstractCegarLoop]: Abstraction has 20622 states and 93194 transitions. [2025-04-13 22:37:15,944 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:15,944 INFO L278 IsEmpty]: Start isEmpty. Operand 20622 states and 93194 transitions. [2025-04-13 22:37:15,982 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:15,982 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:15,982 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:15,982 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2025-04-13 22:37:15,982 INFO L403 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:15,982 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:15,983 INFO L85 PathProgramCache]: Analyzing trace with hash 885874526, now seen corresponding path program 124 times [2025-04-13 22:37:15,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:15,983 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992457578] [2025-04-13 22:37:15,983 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:37:15,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:16,077 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:37:16,080 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:16,081 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:37:16,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:16,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:16,321 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992457578] [2025-04-13 22:37:16,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992457578] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:16,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:16,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:37:16,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337916195] [2025-04-13 22:37:16,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:16,321 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:37:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:16,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:37:16,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:37:16,322 INFO L87 Difference]: Start difference. First operand 20622 states and 93194 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:18,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:18,401 INFO L93 Difference]: Finished difference Result 24965 states and 113497 transitions. [2025-04-13 22:37:18,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-13 22:37:18,401 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:18,401 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:18,526 INFO L225 Difference]: With dead ends: 24965 [2025-04-13 22:37:18,526 INFO L226 Difference]: Without dead ends: 24338 [2025-04-13 22:37:18,536 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=344, Invalid=3078, Unknown=0, NotChecked=0, Total=3422 [2025-04-13 22:37:18,536 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 653 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6026 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 6026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:18,536 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 0 Invalid, 6041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 6026 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:37:18,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24338 states. [2025-04-13 22:37:18,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24338 to 20782. [2025-04-13 22:37:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20782 states, 20781 states have (on average 4.520764159568837) internal successors, (93946), 20781 states have internal predecessors, (93946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:19,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20782 states to 20782 states and 93946 transitions. [2025-04-13 22:37:19,107 INFO L79 Accepts]: Start accepts. Automaton has 20782 states and 93946 transitions. Word has length 64 [2025-04-13 22:37:19,107 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:19,107 INFO L485 AbstractCegarLoop]: Abstraction has 20782 states and 93946 transitions. [2025-04-13 22:37:19,107 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:19,107 INFO L278 IsEmpty]: Start isEmpty. Operand 20782 states and 93946 transitions. [2025-04-13 22:37:19,145 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:19,145 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:19,145 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:19,145 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2025-04-13 22:37:19,145 INFO L403 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:19,146 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash -699731096, now seen corresponding path program 125 times [2025-04-13 22:37:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:19,146 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144287298] [2025-04-13 22:37:19,146 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:37:19,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:19,149 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:19,152 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:19,152 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:37:19,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:19,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:19,339 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144287298] [2025-04-13 22:37:19,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144287298] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:19,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:19,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:37:19,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271032396] [2025-04-13 22:37:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:19,339 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:37:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:19,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:37:19,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:37:19,339 INFO L87 Difference]: Start difference. First operand 20782 states and 93946 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:21,521 INFO L93 Difference]: Finished difference Result 26775 states and 121505 transitions. [2025-04-13 22:37:21,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-13 22:37:21,521 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:21,521 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:21,662 INFO L225 Difference]: With dead ends: 26775 [2025-04-13 22:37:21,662 INFO L226 Difference]: Without dead ends: 25823 [2025-04-13 22:37:21,674 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=344, Invalid=3078, Unknown=0, NotChecked=0, Total=3422 [2025-04-13 22:37:21,674 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 660 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6577 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 6577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:21,674 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 0 Invalid, 6592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 6577 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:37:21,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25823 states. [2025-04-13 22:37:22,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25823 to 21022. [2025-04-13 22:37:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21022 states, 21021 states have (on average 4.51900480471909) internal successors, (94994), 21021 states have internal predecessors, (94994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21022 states to 21022 states and 94994 transitions. [2025-04-13 22:37:22,291 INFO L79 Accepts]: Start accepts. Automaton has 21022 states and 94994 transitions. Word has length 64 [2025-04-13 22:37:22,292 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:22,292 INFO L485 AbstractCegarLoop]: Abstraction has 21022 states and 94994 transitions. [2025-04-13 22:37:22,292 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:22,292 INFO L278 IsEmpty]: Start isEmpty. Operand 21022 states and 94994 transitions. [2025-04-13 22:37:22,330 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:22,330 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:22,330 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:22,330 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2025-04-13 22:37:22,330 INFO L403 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:22,331 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:22,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1897814468, now seen corresponding path program 126 times [2025-04-13 22:37:22,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:22,331 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660003259] [2025-04-13 22:37:22,331 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:37:22,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:22,334 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:22,337 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:22,337 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:37:22,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:22,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:22,531 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660003259] [2025-04-13 22:37:22,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660003259] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:22,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:22,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:22,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15767772] [2025-04-13 22:37:22,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:22,531 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:22,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:22,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:22,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:22,531 INFO L87 Difference]: Start difference. First operand 21022 states and 94994 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:24,422 INFO L93 Difference]: Finished difference Result 23694 states and 107412 transitions. [2025-04-13 22:37:24,422 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-13 22:37:24,422 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:24,423 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:24,552 INFO L225 Difference]: With dead ends: 23694 [2025-04-13 22:37:24,553 INFO L226 Difference]: Without dead ends: 23092 [2025-04-13 22:37:24,558 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=2031, Unknown=0, NotChecked=0, Total=2256 [2025-04-13 22:37:24,559 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 529 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5235 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 5235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:24,559 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 0 Invalid, 5248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 5235 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:37:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23092 states. [2025-04-13 22:37:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23092 to 21042. [2025-04-13 22:37:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21042 states, 21041 states have (on average 4.5187015826244) internal successors, (95078), 21041 states have internal predecessors, (95078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21042 states to 21042 states and 95078 transitions. [2025-04-13 22:37:25,014 INFO L79 Accepts]: Start accepts. Automaton has 21042 states and 95078 transitions. Word has length 64 [2025-04-13 22:37:25,014 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:25,014 INFO L485 AbstractCegarLoop]: Abstraction has 21042 states and 95078 transitions. [2025-04-13 22:37:25,014 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:25,014 INFO L278 IsEmpty]: Start isEmpty. Operand 21042 states and 95078 transitions. [2025-04-13 22:37:25,051 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:25,052 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:25,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:25,052 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2025-04-13 22:37:25,052 INFO L403 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:25,052 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1687463198, now seen corresponding path program 127 times [2025-04-13 22:37:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:25,052 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041546165] [2025-04-13 22:37:25,052 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:37:25,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:25,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:25,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:25,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:37:25,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:25,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:25,253 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041546165] [2025-04-13 22:37:25,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041546165] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:25,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:25,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:25,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114251021] [2025-04-13 22:37:25,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:25,253 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:25,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:25,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:25,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:25,253 INFO L87 Difference]: Start difference. First operand 21042 states and 95078 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:27,525 INFO L93 Difference]: Finished difference Result 25524 states and 115336 transitions. [2025-04-13 22:37:27,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 22:37:27,525 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:27,525 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:27,660 INFO L225 Difference]: With dead ends: 25524 [2025-04-13 22:37:27,660 INFO L226 Difference]: Without dead ends: 24962 [2025-04-13 22:37:27,670 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=2671, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:37:27,670 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 698 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6469 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:27,670 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 0 Invalid, 6489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6469 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:37:27,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24962 states. [2025-04-13 22:37:28,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24962 to 21162. [2025-04-13 22:37:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21162 states, 21161 states have (on average 4.5148149898398) internal successors, (95538), 21161 states have internal predecessors, (95538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21162 states to 21162 states and 95538 transitions. [2025-04-13 22:37:28,382 INFO L79 Accepts]: Start accepts. Automaton has 21162 states and 95538 transitions. Word has length 64 [2025-04-13 22:37:28,382 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:28,382 INFO L485 AbstractCegarLoop]: Abstraction has 21162 states and 95538 transitions. [2025-04-13 22:37:28,382 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:28,382 INFO L278 IsEmpty]: Start isEmpty. Operand 21162 states and 95538 transitions. [2025-04-13 22:37:28,428 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:28,428 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:28,428 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:28,428 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2025-04-13 22:37:28,428 INFO L403 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:28,428 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:28,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1234151644, now seen corresponding path program 128 times [2025-04-13 22:37:28,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:28,429 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402021726] [2025-04-13 22:37:28,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:37:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:28,434 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:28,437 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:28,437 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:37:28,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:28,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:28,696 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402021726] [2025-04-13 22:37:28,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402021726] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:28,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:28,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:28,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421404939] [2025-04-13 22:37:28,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:28,697 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:28,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:28,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:28,697 INFO L87 Difference]: Start difference. First operand 21162 states and 95538 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:30,943 INFO L93 Difference]: Finished difference Result 25460 states and 115728 transitions. [2025-04-13 22:37:30,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-13 22:37:30,944 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:30,944 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:31,256 INFO L225 Difference]: With dead ends: 25460 [2025-04-13 22:37:31,257 INFO L226 Difference]: Without dead ends: 24718 [2025-04-13 22:37:31,263 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=336, Invalid=3204, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:37:31,263 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 678 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6528 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:31,263 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 0 Invalid, 6549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6528 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:37:31,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24718 states. [2025-04-13 22:37:31,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24718 to 21022. [2025-04-13 22:37:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21022 states, 21021 states have (on average 4.518053375196232) internal successors, (94974), 21021 states have internal predecessors, (94974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21022 states to 21022 states and 94974 transitions. [2025-04-13 22:37:31,741 INFO L79 Accepts]: Start accepts. Automaton has 21022 states and 94974 transitions. Word has length 64 [2025-04-13 22:37:31,742 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:31,742 INFO L485 AbstractCegarLoop]: Abstraction has 21022 states and 94974 transitions. [2025-04-13 22:37:31,742 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:31,742 INFO L278 IsEmpty]: Start isEmpty. Operand 21022 states and 94974 transitions. [2025-04-13 22:37:31,781 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:31,781 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:31,781 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:31,781 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2025-04-13 22:37:31,781 INFO L403 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:31,781 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:31,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1831118126, now seen corresponding path program 129 times [2025-04-13 22:37:31,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:31,781 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237470942] [2025-04-13 22:37:31,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:37:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:31,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:31,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:31,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:37:31,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:31,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:31,990 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237470942] [2025-04-13 22:37:31,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237470942] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:31,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:31,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:31,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940102738] [2025-04-13 22:37:31,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:31,990 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:31,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:31,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:31,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:31,991 INFO L87 Difference]: Start difference. First operand 21022 states and 94974 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:34,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:34,496 INFO L93 Difference]: Finished difference Result 26745 states and 120879 transitions. [2025-04-13 22:37:34,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:37:34,496 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:34,497 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:34,632 INFO L225 Difference]: With dead ends: 26745 [2025-04-13 22:37:34,632 INFO L226 Difference]: Without dead ends: 25823 [2025-04-13 22:37:34,643 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=305, Invalid=2887, Unknown=0, NotChecked=0, Total=3192 [2025-04-13 22:37:34,644 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 732 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7144 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 7144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:34,644 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 0 Invalid, 7170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 7144 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:37:34,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25823 states. [2025-04-13 22:37:35,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25823 to 21062. [2025-04-13 22:37:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21062 states, 21061 states have (on average 4.515550068847633) internal successors, (95102), 21061 states have internal predecessors, (95102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21062 states to 21062 states and 95102 transitions. [2025-04-13 22:37:35,249 INFO L79 Accepts]: Start accepts. Automaton has 21062 states and 95102 transitions. Word has length 64 [2025-04-13 22:37:35,249 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:35,249 INFO L485 AbstractCegarLoop]: Abstraction has 21062 states and 95102 transitions. [2025-04-13 22:37:35,249 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:35,249 INFO L278 IsEmpty]: Start isEmpty. Operand 21062 states and 95102 transitions. [2025-04-13 22:37:35,288 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:35,288 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:35,288 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:35,288 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2025-04-13 22:37:35,288 INFO L403 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:35,288 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -216046282, now seen corresponding path program 130 times [2025-04-13 22:37:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:35,289 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575972021] [2025-04-13 22:37:35,289 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:37:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:35,292 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:37:35,295 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:35,295 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:37:35,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:35,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:35,541 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575972021] [2025-04-13 22:37:35,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575972021] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:35,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:35,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:35,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45204390] [2025-04-13 22:37:35,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:35,542 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:35,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:35,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:35,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:35,542 INFO L87 Difference]: Start difference. First operand 21062 states and 95102 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:38,185 INFO L93 Difference]: Finished difference Result 27003 states and 122030 transitions. [2025-04-13 22:37:38,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:37:38,185 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:38,185 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:38,322 INFO L225 Difference]: With dead ends: 27003 [2025-04-13 22:37:38,323 INFO L226 Difference]: Without dead ends: 26041 [2025-04-13 22:37:38,332 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=373, Invalid=3659, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:37:38,332 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 781 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7603 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 7603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:38,332 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 0 Invalid, 7631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 7603 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:37:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26041 states. [2025-04-13 22:37:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26041 to 21032. [2025-04-13 22:37:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21032 states, 21031 states have (on average 4.515286957348676) internal successors, (94961), 21031 states have internal predecessors, (94961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21032 states to 21032 states and 94961 transitions. [2025-04-13 22:37:38,819 INFO L79 Accepts]: Start accepts. Automaton has 21032 states and 94961 transitions. Word has length 64 [2025-04-13 22:37:38,819 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:38,819 INFO L485 AbstractCegarLoop]: Abstraction has 21032 states and 94961 transitions. [2025-04-13 22:37:38,819 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:38,820 INFO L278 IsEmpty]: Start isEmpty. Operand 21032 states and 94961 transitions. [2025-04-13 22:37:38,857 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:38,857 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:38,857 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:38,857 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2025-04-13 22:37:38,857 INFO L403 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:38,858 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:38,858 INFO L85 PathProgramCache]: Analyzing trace with hash 222810022, now seen corresponding path program 131 times [2025-04-13 22:37:38,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:38,858 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657800518] [2025-04-13 22:37:38,858 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:37:38,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:38,861 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:38,864 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:38,864 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:37:38,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:39,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:39,059 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657800518] [2025-04-13 22:37:39,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657800518] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:39,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:39,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:39,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236377913] [2025-04-13 22:37:39,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:39,059 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:39,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:39,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:39,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:39,060 INFO L87 Difference]: Start difference. First operand 21032 states and 94961 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:40,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:40,527 INFO L93 Difference]: Finished difference Result 23278 states and 105288 transitions. [2025-04-13 22:37:40,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-13 22:37:40,527 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:40,527 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:40,655 INFO L225 Difference]: With dead ends: 23278 [2025-04-13 22:37:40,655 INFO L226 Difference]: Without dead ends: 22736 [2025-04-13 22:37:40,664 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=1203, Unknown=0, NotChecked=0, Total=1332 [2025-04-13 22:37:40,664 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4467 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:40,664 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 0 Invalid, 4469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4467 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:37:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22736 states. [2025-04-13 22:37:40,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22736 to 21132. [2025-04-13 22:37:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21132 states, 21131 states have (on average 4.514741375230703) internal successors, (95401), 21131 states have internal predecessors, (95401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21132 states to 21132 states and 95401 transitions. [2025-04-13 22:37:41,139 INFO L79 Accepts]: Start accepts. Automaton has 21132 states and 95401 transitions. Word has length 64 [2025-04-13 22:37:41,139 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:41,139 INFO L485 AbstractCegarLoop]: Abstraction has 21132 states and 95401 transitions. [2025-04-13 22:37:41,139 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:41,139 INFO L278 IsEmpty]: Start isEmpty. Operand 21132 states and 95401 transitions. [2025-04-13 22:37:41,178 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:41,178 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:41,178 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:41,178 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2025-04-13 22:37:41,178 INFO L403 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:41,179 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:41,179 INFO L85 PathProgramCache]: Analyzing trace with hash 674589992, now seen corresponding path program 132 times [2025-04-13 22:37:41,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:41,179 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877341123] [2025-04-13 22:37:41,179 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:37:41,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:41,182 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:41,185 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:41,185 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:37:41,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:41,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:41,475 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877341123] [2025-04-13 22:37:41,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877341123] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:41,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:41,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:41,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662640043] [2025-04-13 22:37:41,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:41,476 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:41,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:41,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:41,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:41,476 INFO L87 Difference]: Start difference. First operand 21132 states and 95401 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:42,873 INFO L93 Difference]: Finished difference Result 23298 states and 105324 transitions. [2025-04-13 22:37:42,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-13 22:37:42,873 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:42,874 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:42,998 INFO L225 Difference]: With dead ends: 23298 [2025-04-13 22:37:42,999 INFO L226 Difference]: Without dead ends: 22696 [2025-04-13 22:37:43,008 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=1269, Unknown=0, NotChecked=0, Total=1406 [2025-04-13 22:37:43,009 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 446 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4549 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:43,009 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 0 Invalid, 4553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4549 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:37:43,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22696 states. [2025-04-13 22:37:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22696 to 21092. [2025-04-13 22:37:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21092 states, 21091 states have (on average 4.51439002418093) internal successors, (95213), 21091 states have internal predecessors, (95213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21092 states to 21092 states and 95213 transitions. [2025-04-13 22:37:43,493 INFO L79 Accepts]: Start accepts. Automaton has 21092 states and 95213 transitions. Word has length 64 [2025-04-13 22:37:43,493 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:43,493 INFO L485 AbstractCegarLoop]: Abstraction has 21092 states and 95213 transitions. [2025-04-13 22:37:43,493 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:43,493 INFO L278 IsEmpty]: Start isEmpty. Operand 21092 states and 95213 transitions. [2025-04-13 22:37:43,622 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:43,622 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:43,622 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:43,622 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2025-04-13 22:37:43,622 INFO L403 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:43,623 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash 940339972, now seen corresponding path program 133 times [2025-04-13 22:37:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:43,623 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272168264] [2025-04-13 22:37:43,623 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:37:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:43,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:43,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:43,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:37:43,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:43,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:43,825 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272168264] [2025-04-13 22:37:43,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272168264] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:43,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:43,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:43,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406408043] [2025-04-13 22:37:43,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:43,825 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:43,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:43,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:43,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:43,826 INFO L87 Difference]: Start difference. First operand 21092 states and 95213 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:45,281 INFO L93 Difference]: Finished difference Result 23378 states and 105624 transitions. [2025-04-13 22:37:45,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-13 22:37:45,281 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:45,282 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:45,407 INFO L225 Difference]: With dead ends: 23378 [2025-04-13 22:37:45,407 INFO L226 Difference]: Without dead ends: 22636 [2025-04-13 22:37:45,417 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:37:45,417 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 415 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4720 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:45,417 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 0 Invalid, 4724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4720 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:37:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22636 states. [2025-04-13 22:37:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22636 to 21052. [2025-04-13 22:37:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21052 states, 21051 states have (on average 4.514987411524393) internal successors, (95045), 21051 states have internal predecessors, (95045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21052 states to 21052 states and 95045 transitions. [2025-04-13 22:37:45,935 INFO L79 Accepts]: Start accepts. Automaton has 21052 states and 95045 transitions. Word has length 64 [2025-04-13 22:37:45,935 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:45,935 INFO L485 AbstractCegarLoop]: Abstraction has 21052 states and 95045 transitions. [2025-04-13 22:37:45,936 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:45,936 INFO L278 IsEmpty]: Start isEmpty. Operand 21052 states and 95045 transitions. [2025-04-13 22:37:46,083 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:46,083 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:46,083 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:46,083 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2025-04-13 22:37:46,083 INFO L403 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:46,083 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:46,084 INFO L85 PathProgramCache]: Analyzing trace with hash 83413236, now seen corresponding path program 134 times [2025-04-13 22:37:46,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:46,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695771124] [2025-04-13 22:37:46,084 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:37:46,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:46,087 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:46,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:46,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:37:46,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:46,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:46,284 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695771124] [2025-04-13 22:37:46,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695771124] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:46,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:46,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:46,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648351040] [2025-04-13 22:37:46,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:46,284 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:46,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:46,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:46,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:46,285 INFO L87 Difference]: Start difference. First operand 21052 states and 95045 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:47,722 INFO L93 Difference]: Finished difference Result 23538 states and 106490 transitions. [2025-04-13 22:37:47,722 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:37:47,722 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:47,722 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:47,851 INFO L225 Difference]: With dead ends: 23538 [2025-04-13 22:37:47,851 INFO L226 Difference]: Without dead ends: 22996 [2025-04-13 22:37:47,861 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=1340, Unknown=0, NotChecked=0, Total=1482 [2025-04-13 22:37:47,861 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 456 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4592 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:47,861 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 0 Invalid, 4596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4592 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:37:47,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22996 states. [2025-04-13 22:37:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22996 to 21162. [2025-04-13 22:37:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21162 states, 21161 states have (on average 4.512641179528377) internal successors, (95492), 21161 states have internal predecessors, (95492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21162 states to 21162 states and 95492 transitions. [2025-04-13 22:37:48,349 INFO L79 Accepts]: Start accepts. Automaton has 21162 states and 95492 transitions. Word has length 64 [2025-04-13 22:37:48,349 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:48,349 INFO L485 AbstractCegarLoop]: Abstraction has 21162 states and 95492 transitions. [2025-04-13 22:37:48,349 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:48,349 INFO L278 IsEmpty]: Start isEmpty. Operand 21162 states and 95492 transitions. [2025-04-13 22:37:48,387 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:48,387 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:48,387 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:48,387 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2025-04-13 22:37:48,387 INFO L403 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:48,387 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:48,387 INFO L85 PathProgramCache]: Analyzing trace with hash 286847046, now seen corresponding path program 135 times [2025-04-13 22:37:48,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:48,387 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457154269] [2025-04-13 22:37:48,387 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:37:48,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:48,391 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:48,393 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:48,393 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:37:48,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:48,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:48,670 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457154269] [2025-04-13 22:37:48,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457154269] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:48,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:48,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:48,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347755011] [2025-04-13 22:37:48,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:48,670 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:48,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:48,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:48,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:48,671 INFO L87 Difference]: Start difference. First operand 21162 states and 95492 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:50,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:50,135 INFO L93 Difference]: Finished difference Result 23558 states and 106476 transitions. [2025-04-13 22:37:50,135 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-13 22:37:50,135 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:50,135 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:50,258 INFO L225 Difference]: With dead ends: 23558 [2025-04-13 22:37:50,259 INFO L226 Difference]: Without dead ends: 22956 [2025-04-13 22:37:50,268 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=1484, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:37:50,268 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 530 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4671 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:50,268 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 0 Invalid, 4676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4671 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:37:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22956 states. [2025-04-13 22:37:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22956 to 21122. [2025-04-13 22:37:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21122 states, 21121 states have (on average 4.513233274939633) internal successors, (95324), 21121 states have internal predecessors, (95324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21122 states to 21122 states and 95324 transitions. [2025-04-13 22:37:50,757 INFO L79 Accepts]: Start accepts. Automaton has 21122 states and 95324 transitions. Word has length 64 [2025-04-13 22:37:50,757 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:50,757 INFO L485 AbstractCegarLoop]: Abstraction has 21122 states and 95324 transitions. [2025-04-13 22:37:50,757 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:50,757 INFO L278 IsEmpty]: Start isEmpty. Operand 21122 states and 95324 transitions. [2025-04-13 22:37:50,794 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:50,795 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:50,795 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:50,795 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2025-04-13 22:37:50,795 INFO L403 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:50,795 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:50,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1982124086, now seen corresponding path program 136 times [2025-04-13 22:37:50,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:50,795 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982882570] [2025-04-13 22:37:50,795 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:37:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:50,799 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:37:50,802 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:50,802 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:37:50,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:51,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:51,080 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982882570] [2025-04-13 22:37:51,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982882570] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:51,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:51,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:51,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304626660] [2025-04-13 22:37:51,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:51,080 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:51,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:51,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:51,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:51,081 INFO L87 Difference]: Start difference. First operand 21122 states and 95324 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:52,659 INFO L93 Difference]: Finished difference Result 23759 states and 107223 transitions. [2025-04-13 22:37:52,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:37:52,660 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:52,660 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:52,785 INFO L225 Difference]: With dead ends: 23759 [2025-04-13 22:37:52,786 INFO L226 Difference]: Without dead ends: 23337 [2025-04-13 22:37:52,794 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=1714, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:37:52,795 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 541 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4711 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:52,795 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 0 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4711 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:37:52,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23337 states. [2025-04-13 22:37:53,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23337 to 21172. [2025-04-13 22:37:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21172 states, 21171 states have (on average 4.51178498889991) internal successors, (95519), 21171 states have internal predecessors, (95519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21172 states to 21172 states and 95519 transitions. [2025-04-13 22:37:53,301 INFO L79 Accepts]: Start accepts. Automaton has 21172 states and 95519 transitions. Word has length 64 [2025-04-13 22:37:53,301 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:53,301 INFO L485 AbstractCegarLoop]: Abstraction has 21172 states and 95519 transitions. [2025-04-13 22:37:53,302 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:53,302 INFO L278 IsEmpty]: Start isEmpty. Operand 21172 states and 95519 transitions. [2025-04-13 22:37:53,339 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:53,340 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:53,340 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:53,340 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2025-04-13 22:37:53,340 INFO L403 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:53,340 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:53,340 INFO L85 PathProgramCache]: Analyzing trace with hash -187832348, now seen corresponding path program 137 times [2025-04-13 22:37:53,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:53,340 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549462803] [2025-04-13 22:37:53,340 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:37:53,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:53,344 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:53,346 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:53,346 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:37:53,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:53,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:53,538 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549462803] [2025-04-13 22:37:53,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549462803] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:53,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:53,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:53,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147242949] [2025-04-13 22:37:53,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:53,538 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:53,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:53,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:53,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:53,538 INFO L87 Difference]: Start difference. First operand 21172 states and 95519 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:55,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:55,068 INFO L93 Difference]: Finished difference Result 23337 states and 105511 transitions. [2025-04-13 22:37:55,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-13 22:37:55,068 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:55,068 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:55,190 INFO L225 Difference]: With dead ends: 23337 [2025-04-13 22:37:55,190 INFO L226 Difference]: Without dead ends: 22810 [2025-04-13 22:37:55,200 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=1557, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:37:55,200 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 471 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4608 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:55,200 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 0 Invalid, 4615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:37:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22810 states. [2025-04-13 22:37:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22810 to 21072. [2025-04-13 22:37:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21072 states, 21071 states have (on average 4.513739262493474) internal successors, (95109), 21071 states have internal predecessors, (95109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21072 states to 21072 states and 95109 transitions. [2025-04-13 22:37:55,670 INFO L79 Accepts]: Start accepts. Automaton has 21072 states and 95109 transitions. Word has length 64 [2025-04-13 22:37:55,670 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:55,670 INFO L485 AbstractCegarLoop]: Abstraction has 21072 states and 95109 transitions. [2025-04-13 22:37:55,670 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:55,670 INFO L278 IsEmpty]: Start isEmpty. Operand 21072 states and 95109 transitions. [2025-04-13 22:37:55,708 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:55,708 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:55,708 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:55,708 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2025-04-13 22:37:55,708 INFO L403 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:55,708 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:55,708 INFO L85 PathProgramCache]: Analyzing trace with hash -256881432, now seen corresponding path program 138 times [2025-04-13 22:37:55,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:55,709 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631534784] [2025-04-13 22:37:55,709 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:37:55,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:55,712 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:55,714 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:55,715 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:37:55,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:55,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:55,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:55,908 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631534784] [2025-04-13 22:37:55,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631534784] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:55,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:55,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:55,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980380457] [2025-04-13 22:37:55,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:55,909 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:55,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:55,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:55,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:55,909 INFO L87 Difference]: Start difference. First operand 21072 states and 95109 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:37:57,651 INFO L93 Difference]: Finished difference Result 23955 states and 108051 transitions. [2025-04-13 22:37:57,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:37:57,651 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:37:57,651 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:37:57,781 INFO L225 Difference]: With dead ends: 23955 [2025-04-13 22:37:57,781 INFO L226 Difference]: Without dead ends: 23393 [2025-04-13 22:37:57,788 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=1797, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:37:57,788 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 642 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5061 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:37:57,788 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 0 Invalid, 5072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5061 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:37:57,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23393 states. [2025-04-13 22:37:58,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23393 to 21142. [2025-04-13 22:37:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21142 states, 21141 states have (on average 4.511990918121186) internal successors, (95388), 21141 states have internal predecessors, (95388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21142 states to 21142 states and 95388 transitions. [2025-04-13 22:37:58,260 INFO L79 Accepts]: Start accepts. Automaton has 21142 states and 95388 transitions. Word has length 64 [2025-04-13 22:37:58,260 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:37:58,260 INFO L485 AbstractCegarLoop]: Abstraction has 21142 states and 95388 transitions. [2025-04-13 22:37:58,260 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:37:58,260 INFO L278 IsEmpty]: Start isEmpty. Operand 21142 states and 95388 transitions. [2025-04-13 22:37:58,299 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:37:58,299 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:37:58,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:37:58,299 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2025-04-13 22:37:58,299 INFO L403 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:37:58,299 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:37:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash -319717786, now seen corresponding path program 139 times [2025-04-13 22:37:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:37:58,299 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649352560] [2025-04-13 22:37:58,299 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:37:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:37:58,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:37:58,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:37:58,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:37:58,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:37:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:37:58,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:37:58,498 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649352560] [2025-04-13 22:37:58,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649352560] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:37:58,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:37:58,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:37:58,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317695870] [2025-04-13 22:37:58,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:37:58,498 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:37:58,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:37:58,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:37:58,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:37:58,499 INFO L87 Difference]: Start difference. First operand 21142 states and 95388 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:00,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:00,175 INFO L93 Difference]: Finished difference Result 23884 states and 107701 transitions. [2025-04-13 22:38:00,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-13 22:38:00,175 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:00,175 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:00,304 INFO L225 Difference]: With dead ends: 23884 [2025-04-13 22:38:00,304 INFO L226 Difference]: Without dead ends: 23407 [2025-04-13 22:38:00,310 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=1794, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:38:00,310 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 586 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4766 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:00,310 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 0 Invalid, 4775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 4766 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:38:00,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23407 states. [2025-04-13 22:38:00,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23407 to 21092. [2025-04-13 22:38:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21092 states, 21091 states have (on average 4.512493480631549) internal successors, (95173), 21091 states have internal predecessors, (95173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21092 states to 21092 states and 95173 transitions. [2025-04-13 22:38:00,783 INFO L79 Accepts]: Start accepts. Automaton has 21092 states and 95173 transitions. Word has length 64 [2025-04-13 22:38:00,784 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:00,784 INFO L485 AbstractCegarLoop]: Abstraction has 21092 states and 95173 transitions. [2025-04-13 22:38:00,784 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:00,784 INFO L278 IsEmpty]: Start isEmpty. Operand 21092 states and 95173 transitions. [2025-04-13 22:38:00,821 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:00,821 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:00,821 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:00,822 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2025-04-13 22:38:00,822 INFO L403 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:00,822 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1941309650, now seen corresponding path program 140 times [2025-04-13 22:38:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:00,822 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635362079] [2025-04-13 22:38:00,822 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:38:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:00,825 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:00,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:00,828 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:00,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:01,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:01,021 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635362079] [2025-04-13 22:38:01,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635362079] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:01,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:01,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:01,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126241051] [2025-04-13 22:38:01,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:01,021 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:01,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:01,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:01,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:01,022 INFO L87 Difference]: Start difference. First operand 21092 states and 95173 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:02,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:02,892 INFO L93 Difference]: Finished difference Result 24135 states and 108787 transitions. [2025-04-13 22:38:02,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:38:02,892 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:02,892 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:03,016 INFO L225 Difference]: With dead ends: 24135 [2025-04-13 22:38:03,016 INFO L226 Difference]: Without dead ends: 23518 [2025-04-13 22:38:03,023 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=194, Invalid=1876, Unknown=0, NotChecked=0, Total=2070 [2025-04-13 22:38:03,023 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 643 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5266 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:03,023 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 0 Invalid, 5277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5266 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:38:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23518 states. [2025-04-13 22:38:03,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23518 to 21212. [2025-04-13 22:38:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21212 states, 21211 states have (on average 4.516854462307293) internal successors, (95807), 21211 states have internal predecessors, (95807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21212 states to 21212 states and 95807 transitions. [2025-04-13 22:38:03,484 INFO L79 Accepts]: Start accepts. Automaton has 21212 states and 95807 transitions. Word has length 64 [2025-04-13 22:38:03,484 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:03,484 INFO L485 AbstractCegarLoop]: Abstraction has 21212 states and 95807 transitions. [2025-04-13 22:38:03,484 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:03,484 INFO L278 IsEmpty]: Start isEmpty. Operand 21212 states and 95807 transitions. [2025-04-13 22:38:03,522 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:03,522 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:03,522 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:03,522 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2025-04-13 22:38:03,522 INFO L403 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:03,522 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:03,522 INFO L85 PathProgramCache]: Analyzing trace with hash -968283870, now seen corresponding path program 141 times [2025-04-13 22:38:03,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:03,522 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053850900] [2025-04-13 22:38:03,522 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:38:03,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:03,526 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:03,528 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:03,528 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:38:03,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:03,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:03,722 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053850900] [2025-04-13 22:38:03,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053850900] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:03,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:03,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003151437] [2025-04-13 22:38:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:03,722 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:03,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:03,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:03,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:03,723 INFO L87 Difference]: Start difference. First operand 21212 states and 95807 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:05,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:05,492 INFO L93 Difference]: Finished difference Result 24706 states and 111465 transitions. [2025-04-13 22:38:05,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-13 22:38:05,493 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:05,493 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:05,641 INFO L225 Difference]: With dead ends: 24706 [2025-04-13 22:38:05,641 INFO L226 Difference]: Without dead ends: 24004 [2025-04-13 22:38:05,652 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=1790, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:38:05,652 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 541 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:05,652 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 0 Invalid, 5229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5222 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:38:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24004 states. [2025-04-13 22:38:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24004 to 21232. [2025-04-13 22:38:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21232 states, 21231 states have (on average 4.516555979463991) internal successors, (95891), 21231 states have internal predecessors, (95891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21232 states to 21232 states and 95891 transitions. [2025-04-13 22:38:06,156 INFO L79 Accepts]: Start accepts. Automaton has 21232 states and 95891 transitions. Word has length 64 [2025-04-13 22:38:06,156 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:06,156 INFO L485 AbstractCegarLoop]: Abstraction has 21232 states and 95891 transitions. [2025-04-13 22:38:06,156 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:06,156 INFO L278 IsEmpty]: Start isEmpty. Operand 21232 states and 95891 transitions. [2025-04-13 22:38:06,195 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:06,195 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:06,195 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:06,195 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2025-04-13 22:38:06,195 INFO L403 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:06,196 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2068448700, now seen corresponding path program 142 times [2025-04-13 22:38:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:06,196 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786164751] [2025-04-13 22:38:06,196 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:38:06,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:06,199 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:38:06,202 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:06,202 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:38:06,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:06,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:06,454 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786164751] [2025-04-13 22:38:06,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786164751] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:06,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:06,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:06,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222686844] [2025-04-13 22:38:06,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:06,454 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:06,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:06,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:06,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:06,454 INFO L87 Difference]: Start difference. First operand 21232 states and 95891 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:08,326 INFO L93 Difference]: Finished difference Result 25330 states and 113846 transitions. [2025-04-13 22:38:08,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-13 22:38:08,326 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:08,327 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:08,462 INFO L225 Difference]: With dead ends: 25330 [2025-04-13 22:38:08,462 INFO L226 Difference]: Without dead ends: 24768 [2025-04-13 22:38:08,473 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=212, Invalid=2044, Unknown=0, NotChecked=0, Total=2256 [2025-04-13 22:38:08,473 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 594 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5578 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:08,473 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 0 Invalid, 5589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5578 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:38:08,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24768 states. [2025-04-13 22:38:08,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24768 to 21302. [2025-04-13 22:38:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21302 states, 21301 states have (on average 4.514811511196657) internal successors, (96170), 21301 states have internal predecessors, (96170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21302 states to 21302 states and 96170 transitions. [2025-04-13 22:38:08,972 INFO L79 Accepts]: Start accepts. Automaton has 21302 states and 96170 transitions. Word has length 64 [2025-04-13 22:38:08,972 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:08,972 INFO L485 AbstractCegarLoop]: Abstraction has 21302 states and 96170 transitions. [2025-04-13 22:38:08,972 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:08,972 INFO L278 IsEmpty]: Start isEmpty. Operand 21302 states and 96170 transitions. [2025-04-13 22:38:09,011 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:09,011 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:09,011 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:09,011 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2025-04-13 22:38:09,011 INFO L403 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:09,011 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:09,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2131285054, now seen corresponding path program 143 times [2025-04-13 22:38:09,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:09,012 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881734710] [2025-04-13 22:38:09,012 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:38:09,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:09,015 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:09,018 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:09,018 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:09,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:09,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:09,290 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881734710] [2025-04-13 22:38:09,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881734710] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:09,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:09,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:09,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528175177] [2025-04-13 22:38:09,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:09,290 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:09,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:09,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:09,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:09,290 INFO L87 Difference]: Start difference. First operand 21302 states and 96170 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:11,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:11,026 INFO L93 Difference]: Finished difference Result 24630 states and 111248 transitions. [2025-04-13 22:38:11,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-13 22:38:11,027 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:11,027 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:11,181 INFO L225 Difference]: With dead ends: 24630 [2025-04-13 22:38:11,181 INFO L226 Difference]: Without dead ends: 24153 [2025-04-13 22:38:11,193 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=216, Invalid=2136, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:38:11,193 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 577 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:11,193 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 0 Invalid, 5472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5461 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:38:11,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24153 states. [2025-04-13 22:38:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24153 to 21252. [2025-04-13 22:38:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21252 states, 21251 states have (on average 4.515316926262294) internal successors, (95955), 21251 states have internal predecessors, (95955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21252 states to 21252 states and 95955 transitions. [2025-04-13 22:38:11,755 INFO L79 Accepts]: Start accepts. Automaton has 21252 states and 95955 transitions. Word has length 64 [2025-04-13 22:38:11,756 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:11,756 INFO L485 AbstractCegarLoop]: Abstraction has 21252 states and 95955 transitions. [2025-04-13 22:38:11,756 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:11,756 INFO L278 IsEmpty]: Start isEmpty. Operand 21252 states and 95955 transitions. [2025-04-13 22:38:11,801 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:11,801 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:11,801 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:11,801 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2025-04-13 22:38:11,801 INFO L403 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:11,802 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:11,802 INFO L85 PathProgramCache]: Analyzing trace with hash 129742382, now seen corresponding path program 144 times [2025-04-13 22:38:11,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:11,802 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677938405] [2025-04-13 22:38:11,802 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:38:11,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:11,894 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:11,897 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:11,897 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:38:11,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:12,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:12,093 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677938405] [2025-04-13 22:38:12,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677938405] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:12,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:12,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:12,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815832514] [2025-04-13 22:38:12,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:12,094 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:12,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:12,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:12,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:12,094 INFO L87 Difference]: Start difference. First operand 21252 states and 95955 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:13,958 INFO L93 Difference]: Finished difference Result 25178 states and 113289 transitions. [2025-04-13 22:38:13,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-13 22:38:13,958 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:13,958 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:14,101 INFO L225 Difference]: With dead ends: 25178 [2025-04-13 22:38:14,101 INFO L226 Difference]: Without dead ends: 24581 [2025-04-13 22:38:14,111 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=249, Invalid=2507, Unknown=0, NotChecked=0, Total=2756 [2025-04-13 22:38:14,112 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 698 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5681 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 5681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:14,112 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 0 Invalid, 5694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 5681 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:38:14,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2025-04-13 22:38:14,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 21232. [2025-04-13 22:38:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21232 states, 21231 states have (on average 4.515613960717818) internal successors, (95871), 21231 states have internal predecessors, (95871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21232 states to 21232 states and 95871 transitions. [2025-04-13 22:38:14,779 INFO L79 Accepts]: Start accepts. Automaton has 21232 states and 95871 transitions. Word has length 64 [2025-04-13 22:38:14,779 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:14,779 INFO L485 AbstractCegarLoop]: Abstraction has 21232 states and 95871 transitions. [2025-04-13 22:38:14,779 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:14,779 INFO L278 IsEmpty]: Start isEmpty. Operand 21232 states and 95871 transitions. [2025-04-13 22:38:14,818 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:14,818 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:14,818 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:14,818 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2025-04-13 22:38:14,818 INFO L403 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:14,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:14,818 INFO L85 PathProgramCache]: Analyzing trace with hash 749641302, now seen corresponding path program 145 times [2025-04-13 22:38:14,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:14,818 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603977086] [2025-04-13 22:38:14,818 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:38:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:14,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:14,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:14,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:38:14,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:15,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:15,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603977086] [2025-04-13 22:38:15,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603977086] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:15,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:15,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:15,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376855151] [2025-04-13 22:38:15,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:15,013 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:15,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:15,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:15,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:15,013 INFO L87 Difference]: Start difference. First operand 21232 states and 95871 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:16,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:16,556 INFO L93 Difference]: Finished difference Result 23944 states and 108299 transitions. [2025-04-13 22:38:16,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:38:16,556 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:16,557 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:16,826 INFO L225 Difference]: With dead ends: 23944 [2025-04-13 22:38:16,826 INFO L226 Difference]: Without dead ends: 23442 [2025-04-13 22:38:16,831 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=1706, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:38:16,831 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 498 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4821 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:16,831 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 0 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4821 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:38:16,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2025-04-13 22:38:17,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 21232. [2025-04-13 22:38:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21232 states, 21231 states have (on average 4.515613960717818) internal successors, (95871), 21231 states have internal predecessors, (95871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21232 states to 21232 states and 95871 transitions. [2025-04-13 22:38:17,290 INFO L79 Accepts]: Start accepts. Automaton has 21232 states and 95871 transitions. Word has length 64 [2025-04-13 22:38:17,291 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:17,291 INFO L485 AbstractCegarLoop]: Abstraction has 21232 states and 95871 transitions. [2025-04-13 22:38:17,291 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:17,291 INFO L278 IsEmpty]: Start isEmpty. Operand 21232 states and 95871 transitions. [2025-04-13 22:38:17,329 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:17,330 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:17,330 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:17,330 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2025-04-13 22:38:17,330 INFO L403 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:17,330 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:17,330 INFO L85 PathProgramCache]: Analyzing trace with hash -270889484, now seen corresponding path program 146 times [2025-04-13 22:38:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:17,330 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533465371] [2025-04-13 22:38:17,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:38:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:17,336 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:17,338 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:17,338 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:17,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:17,546 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533465371] [2025-04-13 22:38:17,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533465371] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:17,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:17,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:17,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642700850] [2025-04-13 22:38:17,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:17,546 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:17,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:17,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:17,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:17,546 INFO L87 Difference]: Start difference. First operand 21232 states and 95871 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:19,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:19,348 INFO L93 Difference]: Finished difference Result 23869 states and 107965 transitions. [2025-04-13 22:38:19,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-13 22:38:19,348 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:19,349 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:19,479 INFO L225 Difference]: With dead ends: 23869 [2025-04-13 22:38:19,479 INFO L226 Difference]: Without dead ends: 23202 [2025-04-13 22:38:19,489 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=1962, Unknown=0, NotChecked=0, Total=2162 [2025-04-13 22:38:19,490 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 563 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5443 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:19,490 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 0 Invalid, 5453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5443 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:38:19,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23202 states. [2025-04-13 22:38:19,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23202 to 21192. [2025-04-13 22:38:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21192 states, 21191 states have (on average 4.517153508564957) internal successors, (95723), 21191 states have internal predecessors, (95723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21192 states to 21192 states and 95723 transitions. [2025-04-13 22:38:20,179 INFO L79 Accepts]: Start accepts. Automaton has 21192 states and 95723 transitions. Word has length 64 [2025-04-13 22:38:20,179 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:20,179 INFO L485 AbstractCegarLoop]: Abstraction has 21192 states and 95723 transitions. [2025-04-13 22:38:20,179 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:20,179 INFO L278 IsEmpty]: Start isEmpty. Operand 21192 states and 95723 transitions. [2025-04-13 22:38:20,219 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:20,219 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:20,219 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:20,219 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2025-04-13 22:38:20,219 INFO L403 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:20,220 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:20,220 INFO L85 PathProgramCache]: Analyzing trace with hash -53632904, now seen corresponding path program 147 times [2025-04-13 22:38:20,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:20,220 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588463612] [2025-04-13 22:38:20,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:38:20,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:20,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:20,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:20,226 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:38:20,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:20,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:20,432 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588463612] [2025-04-13 22:38:20,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588463612] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:20,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:20,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:20,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573236911] [2025-04-13 22:38:20,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:20,432 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:20,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:20,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:20,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:20,432 INFO L87 Difference]: Start difference. First operand 21192 states and 95723 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:22,061 INFO L93 Difference]: Finished difference Result 23338 states and 105530 transitions. [2025-04-13 22:38:22,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:38:22,061 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:22,062 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:22,210 INFO L225 Difference]: With dead ends: 23338 [2025-04-13 22:38:22,210 INFO L226 Difference]: Without dead ends: 22796 [2025-04-13 22:38:22,218 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=1482, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:38:22,218 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 468 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4648 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:22,218 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 0 Invalid, 4655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4648 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:38:22,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22796 states. [2025-04-13 22:38:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22796 to 21232. [2025-04-13 22:38:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21232 states, 21231 states have (on average 4.513258913852385) internal successors, (95821), 21231 states have internal predecessors, (95821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21232 states to 21232 states and 95821 transitions. [2025-04-13 22:38:22,791 INFO L79 Accepts]: Start accepts. Automaton has 21232 states and 95821 transitions. Word has length 64 [2025-04-13 22:38:22,791 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:22,791 INFO L485 AbstractCegarLoop]: Abstraction has 21232 states and 95821 transitions. [2025-04-13 22:38:22,791 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:22,791 INFO L278 IsEmpty]: Start isEmpty. Operand 21232 states and 95821 transitions. [2025-04-13 22:38:22,831 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:22,831 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:22,831 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:22,831 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2025-04-13 22:38:22,831 INFO L403 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:22,831 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 398147066, now seen corresponding path program 148 times [2025-04-13 22:38:22,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:22,832 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265527265] [2025-04-13 22:38:22,832 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:38:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:22,836 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:38:22,839 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:22,840 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:38:22,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:23,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:23,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265527265] [2025-04-13 22:38:23,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265527265] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:23,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:23,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:23,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873203383] [2025-04-13 22:38:23,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:23,188 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:23,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:23,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:23,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:23,188 INFO L87 Difference]: Start difference. First operand 21232 states and 95821 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:24,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:24,670 INFO L93 Difference]: Finished difference Result 23358 states and 105516 transitions. [2025-04-13 22:38:24,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:38:24,670 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:24,670 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:24,800 INFO L225 Difference]: With dead ends: 23358 [2025-04-13 22:38:24,800 INFO L226 Difference]: Without dead ends: 22756 [2025-04-13 22:38:24,809 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=1558, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:38:24,810 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 508 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4734 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:24,810 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 0 Invalid, 4741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4734 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:38:24,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22756 states. [2025-04-13 22:38:25,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22756 to 21192. [2025-04-13 22:38:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21192 states, 21191 states have (on average 4.513850219432778) internal successors, (95653), 21191 states have internal predecessors, (95653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21192 states to 21192 states and 95653 transitions. [2025-04-13 22:38:25,358 INFO L79 Accepts]: Start accepts. Automaton has 21192 states and 95653 transitions. Word has length 64 [2025-04-13 22:38:25,358 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:25,358 INFO L485 AbstractCegarLoop]: Abstraction has 21192 states and 95653 transitions. [2025-04-13 22:38:25,359 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:25,359 INFO L278 IsEmpty]: Start isEmpty. Operand 21192 states and 95653 transitions. [2025-04-13 22:38:25,396 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:25,396 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:25,396 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:25,396 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2025-04-13 22:38:25,396 INFO L403 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:25,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1192219528, now seen corresponding path program 149 times [2025-04-13 22:38:25,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:25,397 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506451407] [2025-04-13 22:38:25,397 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:38:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:25,400 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:25,403 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:25,403 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:25,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:25,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:25,594 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506451407] [2025-04-13 22:38:25,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506451407] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:25,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:25,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:25,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71404988] [2025-04-13 22:38:25,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:25,594 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:25,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:25,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:25,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:25,595 INFO L87 Difference]: Start difference. First operand 21192 states and 95653 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:27,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:27,170 INFO L93 Difference]: Finished difference Result 23292 states and 105247 transitions. [2025-04-13 22:38:27,170 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:38:27,170 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:27,170 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:27,299 INFO L225 Difference]: With dead ends: 23292 [2025-04-13 22:38:27,299 INFO L226 Difference]: Without dead ends: 22770 [2025-04-13 22:38:27,305 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=1707, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:38:27,305 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 529 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4543 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:27,305 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 0 Invalid, 4553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 4543 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:38:27,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22770 states. [2025-04-13 22:38:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22770 to 21142. [2025-04-13 22:38:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21142 states, 21141 states have (on average 4.511990918121186) internal successors, (95388), 21141 states have internal predecessors, (95388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21142 states to 21142 states and 95388 transitions. [2025-04-13 22:38:27,779 INFO L79 Accepts]: Start accepts. Automaton has 21142 states and 95388 transitions. Word has length 64 [2025-04-13 22:38:27,780 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:27,780 INFO L485 AbstractCegarLoop]: Abstraction has 21142 states and 95388 transitions. [2025-04-13 22:38:27,780 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:27,780 INFO L278 IsEmpty]: Start isEmpty. Operand 21142 states and 95388 transitions. [2025-04-13 22:38:27,817 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:27,818 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:27,818 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:27,818 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2025-04-13 22:38:27,818 INFO L403 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:27,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1444957212, now seen corresponding path program 150 times [2025-04-13 22:38:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:27,818 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655958067] [2025-04-13 22:38:27,818 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:38:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:27,822 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:27,824 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:27,824 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:38:27,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:28,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:28,134 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655958067] [2025-04-13 22:38:28,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655958067] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:28,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:28,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:28,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939611532] [2025-04-13 22:38:28,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:28,134 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:28,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:28,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:28,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:28,134 INFO L87 Difference]: Start difference. First operand 21142 states and 95388 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:29,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:29,629 INFO L93 Difference]: Finished difference Result 23318 states and 105278 transitions. [2025-04-13 22:38:29,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:38:29,630 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:29,630 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:29,751 INFO L225 Difference]: With dead ends: 23318 [2025-04-13 22:38:29,751 INFO L226 Difference]: Without dead ends: 22666 [2025-04-13 22:38:29,760 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1630, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:38:29,760 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 569 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4655 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:29,760 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 0 Invalid, 4664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 4655 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:38:29,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22666 states. [2025-04-13 22:38:30,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22666 to 21102. [2025-04-13 22:38:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21102 states, 21101 states have (on average 4.512582342069096) internal successors, (95220), 21101 states have internal predecessors, (95220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21102 states to 21102 states and 95220 transitions. [2025-04-13 22:38:30,423 INFO L79 Accepts]: Start accepts. Automaton has 21102 states and 95220 transitions. Word has length 64 [2025-04-13 22:38:30,423 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:30,423 INFO L485 AbstractCegarLoop]: Abstraction has 21102 states and 95220 transitions. [2025-04-13 22:38:30,424 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:30,424 INFO L278 IsEmpty]: Start isEmpty. Operand 21102 states and 95220 transitions. [2025-04-13 22:38:30,471 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:30,471 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:30,471 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:30,471 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2025-04-13 22:38:30,471 INFO L403 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:30,471 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:30,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1299227206, now seen corresponding path program 151 times [2025-04-13 22:38:30,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:30,472 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654989690] [2025-04-13 22:38:30,472 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:38:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:30,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:30,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:30,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:38:30,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:30,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:30,714 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654989690] [2025-04-13 22:38:30,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654989690] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:30,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:30,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:30,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532888699] [2025-04-13 22:38:30,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:30,714 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:30,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:30,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:30,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:30,715 INFO L87 Difference]: Start difference. First operand 21102 states and 95220 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:32,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:32,260 INFO L93 Difference]: Finished difference Result 23046 states and 104112 transitions. [2025-04-13 22:38:32,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:38:32,260 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:32,261 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:32,564 INFO L225 Difference]: With dead ends: 23046 [2025-04-13 22:38:32,564 INFO L226 Difference]: Without dead ends: 22474 [2025-04-13 22:38:32,571 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=1620, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:38:32,571 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 454 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:32,571 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 0 Invalid, 4202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4195 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:38:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22474 states. [2025-04-13 22:38:32,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22474 to 21052. [2025-04-13 22:38:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21052 states, 21051 states have (on average 4.51308726426298) internal successors, (95005), 21051 states have internal predecessors, (95005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21052 states to 21052 states and 95005 transitions. [2025-04-13 22:38:33,054 INFO L79 Accepts]: Start accepts. Automaton has 21052 states and 95005 transitions. Word has length 64 [2025-04-13 22:38:33,054 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:33,054 INFO L485 AbstractCegarLoop]: Abstraction has 21052 states and 95005 transitions. [2025-04-13 22:38:33,054 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:33,054 INFO L278 IsEmpty]: Start isEmpty. Operand 21052 states and 95005 transitions. [2025-04-13 22:38:33,092 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:33,092 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:33,092 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:33,092 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2025-04-13 22:38:33,092 INFO L403 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:33,092 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:33,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1142996028, now seen corresponding path program 152 times [2025-04-13 22:38:33,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:33,092 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402432918] [2025-04-13 22:38:33,092 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:38:33,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:33,096 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:33,098 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:33,098 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:33,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:33,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:33,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402432918] [2025-04-13 22:38:33,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402432918] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:33,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:33,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:33,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309790175] [2025-04-13 22:38:33,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:33,317 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:33,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:33,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:33,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:33,317 INFO L87 Difference]: Start difference. First operand 21052 states and 95005 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:34,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:34,872 INFO L93 Difference]: Finished difference Result 22808 states and 103039 transitions. [2025-04-13 22:38:34,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:38:34,872 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:34,872 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:35,005 INFO L225 Difference]: With dead ends: 22808 [2025-04-13 22:38:35,005 INFO L226 Difference]: Without dead ends: 21986 [2025-04-13 22:38:35,015 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=1549, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:38:35,016 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 504 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:35,016 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 0 Invalid, 4423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:38:35,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21986 states. [2025-04-13 22:38:35,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21986 to 20832. [2025-04-13 22:38:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20832 states, 20831 states have (on average 4.5221544813019054) internal successors, (94201), 20831 states have internal predecessors, (94201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20832 states to 20832 states and 94201 transitions. [2025-04-13 22:38:35,667 INFO L79 Accepts]: Start accepts. Automaton has 20832 states and 94201 transitions. Word has length 64 [2025-04-13 22:38:35,668 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:35,668 INFO L485 AbstractCegarLoop]: Abstraction has 20832 states and 94201 transitions. [2025-04-13 22:38:35,668 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:35,668 INFO L278 IsEmpty]: Start isEmpty. Operand 20832 states and 94201 transitions. [2025-04-13 22:38:35,707 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:35,707 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:35,707 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:35,708 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2025-04-13 22:38:35,708 INFO L403 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:35,708 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:35,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1966199414, now seen corresponding path program 153 times [2025-04-13 22:38:35,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:35,708 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425286038] [2025-04-13 22:38:35,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:38:35,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:35,711 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:35,714 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:35,714 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:38:35,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:35,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:35,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425286038] [2025-04-13 22:38:35,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425286038] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:35,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:35,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:38:35,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838634182] [2025-04-13 22:38:35,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:35,894 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:38:35,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:35,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:38:35,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:38:35,894 INFO L87 Difference]: Start difference. First operand 20832 states and 94201 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:37,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:37,648 INFO L93 Difference]: Finished difference Result 24703 states and 111365 transitions. [2025-04-13 22:38:37,649 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:38:37,649 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:37,649 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:37,780 INFO L225 Difference]: With dead ends: 24703 [2025-04-13 22:38:37,781 INFO L226 Difference]: Without dead ends: 24201 [2025-04-13 22:38:37,789 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=262, Invalid=1994, Unknown=0, NotChecked=0, Total=2256 [2025-04-13 22:38:37,789 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 554 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4616 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:37,789 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 0 Invalid, 4621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4616 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:38:37,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24201 states. [2025-04-13 22:38:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24201 to 21252. [2025-04-13 22:38:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21252 states, 21251 states have (on average 4.5146581337348834) internal successors, (95941), 21251 states have internal predecessors, (95941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21252 states to 21252 states and 95941 transitions. [2025-04-13 22:38:38,269 INFO L79 Accepts]: Start accepts. Automaton has 21252 states and 95941 transitions. Word has length 64 [2025-04-13 22:38:38,269 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:38,269 INFO L485 AbstractCegarLoop]: Abstraction has 21252 states and 95941 transitions. [2025-04-13 22:38:38,269 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:38,269 INFO L278 IsEmpty]: Start isEmpty. Operand 21252 states and 95941 transitions. [2025-04-13 22:38:38,307 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:38,307 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:38,307 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:38,307 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2025-04-13 22:38:38,307 INFO L403 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:38,307 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:38,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1563321444, now seen corresponding path program 154 times [2025-04-13 22:38:38,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:38,307 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207831031] [2025-04-13 22:38:38,307 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:38:38,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:38,311 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:38:38,314 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:38,314 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:38:38,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:38,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:38,650 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207831031] [2025-04-13 22:38:38,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207831031] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:38,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:38,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:38:38,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108906533] [2025-04-13 22:38:38,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:38,650 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:38:38,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:38,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:38:38,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:38:38,650 INFO L87 Difference]: Start difference. First operand 21252 states and 95941 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:40,391 INFO L93 Difference]: Finished difference Result 24878 states and 112164 transitions. [2025-04-13 22:38:40,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-13 22:38:40,391 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:40,392 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:40,530 INFO L225 Difference]: With dead ends: 24878 [2025-04-13 22:38:40,530 INFO L226 Difference]: Without dead ends: 24251 [2025-04-13 22:38:40,540 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=274, Invalid=2176, Unknown=0, NotChecked=0, Total=2450 [2025-04-13 22:38:40,540 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 615 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4910 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:40,540 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 0 Invalid, 4917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4910 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:38:40,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24251 states. [2025-04-13 22:38:40,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24251 to 21152. [2025-04-13 22:38:41,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21152 states, 21151 states have (on average 4.516524041416481) internal successors, (95529), 21151 states have internal predecessors, (95529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21152 states to 21152 states and 95529 transitions. [2025-04-13 22:38:41,131 INFO L79 Accepts]: Start accepts. Automaton has 21152 states and 95529 transitions. Word has length 64 [2025-04-13 22:38:41,131 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:41,131 INFO L485 AbstractCegarLoop]: Abstraction has 21152 states and 95529 transitions. [2025-04-13 22:38:41,131 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:41,131 INFO L278 IsEmpty]: Start isEmpty. Operand 21152 states and 95529 transitions. [2025-04-13 22:38:41,170 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:41,171 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:41,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:41,171 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2025-04-13 22:38:41,171 INFO L403 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:41,171 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:41,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1370412856, now seen corresponding path program 155 times [2025-04-13 22:38:41,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:41,171 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109511498] [2025-04-13 22:38:41,171 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:38:41,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:41,175 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:41,177 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:41,177 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:41,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:41,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:41,358 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109511498] [2025-04-13 22:38:41,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109511498] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:41,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:41,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:38:41,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784180074] [2025-04-13 22:38:41,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:41,358 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:38:41,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:41,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:38:41,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:38:41,359 INFO L87 Difference]: Start difference. First operand 21152 states and 95529 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:43,029 INFO L93 Difference]: Finished difference Result 24218 states and 109088 transitions. [2025-04-13 22:38:43,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-13 22:38:43,029 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:43,029 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:43,187 INFO L225 Difference]: With dead ends: 24218 [2025-04-13 22:38:43,188 INFO L226 Difference]: Without dead ends: 22966 [2025-04-13 22:38:43,198 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=258, Invalid=1998, Unknown=0, NotChecked=0, Total=2256 [2025-04-13 22:38:43,198 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4736 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:43,198 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 0 Invalid, 4742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4736 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:38:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22966 states. [2025-04-13 22:38:43,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22966 to 20952. [2025-04-13 22:38:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20952 states, 20951 states have (on average 4.518877380554628) internal successors, (94675), 20951 states have internal predecessors, (94675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20952 states to 20952 states and 94675 transitions. [2025-04-13 22:38:43,802 INFO L79 Accepts]: Start accepts. Automaton has 20952 states and 94675 transitions. Word has length 64 [2025-04-13 22:38:43,802 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:43,802 INFO L485 AbstractCegarLoop]: Abstraction has 20952 states and 94675 transitions. [2025-04-13 22:38:43,802 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:43,802 INFO L278 IsEmpty]: Start isEmpty. Operand 20952 states and 94675 transitions. [2025-04-13 22:38:43,839 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:43,839 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:43,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:43,839 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2025-04-13 22:38:43,839 INFO L403 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:43,840 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:43,840 INFO L85 PathProgramCache]: Analyzing trace with hash -720827622, now seen corresponding path program 156 times [2025-04-13 22:38:43,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:43,840 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235103399] [2025-04-13 22:38:43,840 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:38:43,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:43,843 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:43,846 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:43,846 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:38:43,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:44,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:44,045 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235103399] [2025-04-13 22:38:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235103399] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:44,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:44,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:44,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528367473] [2025-04-13 22:38:44,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:44,045 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:44,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:44,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:44,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:44,045 INFO L87 Difference]: Start difference. First operand 20952 states and 94675 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:46,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:46,128 INFO L93 Difference]: Finished difference Result 25508 states and 114964 transitions. [2025-04-13 22:38:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-13 22:38:46,128 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:46,128 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:46,271 INFO L225 Difference]: With dead ends: 25508 [2025-04-13 22:38:46,271 INFO L226 Difference]: Without dead ends: 25006 [2025-04-13 22:38:46,282 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=328, Invalid=2978, Unknown=0, NotChecked=0, Total=3306 [2025-04-13 22:38:46,283 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 729 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5537 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:46,283 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 0 Invalid, 5551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 5537 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:38:46,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25006 states. [2025-04-13 22:38:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25006 to 21112. [2025-04-13 22:38:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21112 states, 21111 states have (on average 4.51797641040216) internal successors, (95379), 21111 states have internal predecessors, (95379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21112 states to 21112 states and 95379 transitions. [2025-04-13 22:38:46,973 INFO L79 Accepts]: Start accepts. Automaton has 21112 states and 95379 transitions. Word has length 64 [2025-04-13 22:38:46,974 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:46,974 INFO L485 AbstractCegarLoop]: Abstraction has 21112 states and 95379 transitions. [2025-04-13 22:38:46,974 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:46,974 INFO L278 IsEmpty]: Start isEmpty. Operand 21112 states and 95379 transitions. [2025-04-13 22:38:47,021 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:47,021 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:47,021 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:47,021 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2025-04-13 22:38:47,021 INFO L403 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:47,021 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:47,021 INFO L85 PathProgramCache]: Analyzing trace with hash 58502324, now seen corresponding path program 157 times [2025-04-13 22:38:47,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:47,022 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17127290] [2025-04-13 22:38:47,022 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:38:47,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:47,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:47,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:47,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:38:47,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:47,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:47,281 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17127290] [2025-04-13 22:38:47,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17127290] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:47,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:47,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048108288] [2025-04-13 22:38:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:47,282 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:47,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:47,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:47,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:47,282 INFO L87 Difference]: Start difference. First operand 21112 states and 95379 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:49,390 INFO L93 Difference]: Finished difference Result 25593 states and 115285 transitions. [2025-04-13 22:38:49,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 22:38:49,390 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:49,390 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:49,527 INFO L225 Difference]: With dead ends: 25593 [2025-04-13 22:38:49,527 INFO L226 Difference]: Without dead ends: 24966 [2025-04-13 22:38:49,535 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=312, Invalid=2658, Unknown=0, NotChecked=0, Total=2970 [2025-04-13 22:38:49,535 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 5366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:49,535 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 0 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 5366 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:38:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24966 states. [2025-04-13 22:38:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24966 to 21012. [2025-04-13 22:38:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21012 states, 21011 states have (on average 4.519870544000762) internal successors, (94967), 21011 states have internal predecessors, (94967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21012 states to 21012 states and 94967 transitions. [2025-04-13 22:38:50,036 INFO L79 Accepts]: Start accepts. Automaton has 21012 states and 94967 transitions. Word has length 64 [2025-04-13 22:38:50,036 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:50,037 INFO L485 AbstractCegarLoop]: Abstraction has 21012 states and 94967 transitions. [2025-04-13 22:38:50,037 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:50,037 INFO L278 IsEmpty]: Start isEmpty. Operand 21012 states and 94967 transitions. [2025-04-13 22:38:50,074 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:50,074 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:50,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:50,074 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2025-04-13 22:38:50,074 INFO L403 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:50,074 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:50,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1006839800, now seen corresponding path program 158 times [2025-04-13 22:38:50,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:50,074 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165273663] [2025-04-13 22:38:50,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:38:50,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:50,078 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:50,080 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:50,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:50,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:50,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:50,365 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165273663] [2025-04-13 22:38:50,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165273663] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:50,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:50,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:50,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490491179] [2025-04-13 22:38:50,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:50,365 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:50,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:50,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:50,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:50,365 INFO L87 Difference]: Start difference. First operand 21012 states and 94967 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:52,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:52,188 INFO L93 Difference]: Finished difference Result 25138 states and 113125 transitions. [2025-04-13 22:38:52,188 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-13 22:38:52,188 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:52,189 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:52,325 INFO L225 Difference]: With dead ends: 25138 [2025-04-13 22:38:52,325 INFO L226 Difference]: Without dead ends: 24086 [2025-04-13 22:38:52,335 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=2457, Unknown=0, NotChecked=0, Total=2756 [2025-04-13 22:38:52,335 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 706 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5165 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:52,335 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 0 Invalid, 5177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 5165 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:38:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24086 states. [2025-04-13 22:38:52,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24086 to 20972. [2025-04-13 22:38:52,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20972 states, 20971 states have (on average 4.519526965809928) internal successors, (94779), 20971 states have internal predecessors, (94779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20972 states to 20972 states and 94779 transitions. [2025-04-13 22:38:52,966 INFO L79 Accepts]: Start accepts. Automaton has 20972 states and 94779 transitions. Word has length 64 [2025-04-13 22:38:52,966 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:52,966 INFO L485 AbstractCegarLoop]: Abstraction has 20972 states and 94779 transitions. [2025-04-13 22:38:52,966 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:52,967 INFO L278 IsEmpty]: Start isEmpty. Operand 20972 states and 94779 transitions. [2025-04-13 22:38:53,003 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:53,003 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:53,004 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:53,004 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2025-04-13 22:38:53,004 INFO L403 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:53,004 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1524567248, now seen corresponding path program 159 times [2025-04-13 22:38:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:53,004 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324963130] [2025-04-13 22:38:53,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:38:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:53,007 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:53,010 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:53,010 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:38:53,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:53,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:53,208 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324963130] [2025-04-13 22:38:53,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324963130] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:53,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:53,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:53,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601862319] [2025-04-13 22:38:53,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:53,208 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:53,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:53,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:53,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:53,208 INFO L87 Difference]: Start difference. First operand 20972 states and 94779 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:55,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:55,598 INFO L93 Difference]: Finished difference Result 26950 states and 122010 transitions. [2025-04-13 22:38:55,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-13 22:38:55,599 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:55,599 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:55,752 INFO L225 Difference]: With dead ends: 26950 [2025-04-13 22:38:55,752 INFO L226 Difference]: Without dead ends: 26323 [2025-04-13 22:38:55,762 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=400, Invalid=3506, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:38:55,762 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6396 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:55,762 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 0 Invalid, 6415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6396 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:38:55,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26323 states. [2025-04-13 22:38:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26323 to 21092. [2025-04-13 22:38:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21092 states, 21091 states have (on average 4.518657247167038) internal successors, (95303), 21091 states have internal predecessors, (95303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21092 states to 21092 states and 95303 transitions. [2025-04-13 22:38:56,277 INFO L79 Accepts]: Start accepts. Automaton has 21092 states and 95303 transitions. Word has length 64 [2025-04-13 22:38:56,277 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:56,277 INFO L485 AbstractCegarLoop]: Abstraction has 21092 states and 95303 transitions. [2025-04-13 22:38:56,278 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:56,278 INFO L278 IsEmpty]: Start isEmpty. Operand 21092 states and 95303 transitions. [2025-04-13 22:38:56,317 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:56,317 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:56,317 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:56,317 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2025-04-13 22:38:56,317 INFO L403 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:56,318 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash 250843302, now seen corresponding path program 160 times [2025-04-13 22:38:56,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:56,318 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468981170] [2025-04-13 22:38:56,318 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:38:56,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:56,321 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:38:56,325 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:56,325 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:38:56,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:56,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:56,674 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468981170] [2025-04-13 22:38:56,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468981170] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:56,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:56,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:38:56,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913506614] [2025-04-13 22:38:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:56,674 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:38:56,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:56,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:38:56,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:38:56,674 INFO L87 Difference]: Start difference. First operand 21092 states and 95303 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:38:58,932 INFO L93 Difference]: Finished difference Result 27560 states and 124564 transitions. [2025-04-13 22:38:58,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-13 22:38:58,932 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:38:58,932 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:38:59,086 INFO L225 Difference]: With dead ends: 27560 [2025-04-13 22:38:59,086 INFO L226 Difference]: Without dead ends: 26608 [2025-04-13 22:38:59,098 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=3285, Unknown=0, NotChecked=0, Total=3660 [2025-04-13 22:38:59,098 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 791 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6552 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:38:59,098 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 0 Invalid, 6570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6552 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:38:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26608 states. [2025-04-13 22:38:59,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26608 to 21332. [2025-04-13 22:38:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21332 states, 21331 states have (on average 4.516478364821152) internal successors, (96341), 21331 states have internal predecessors, (96341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21332 states to 21332 states and 96341 transitions. [2025-04-13 22:38:59,704 INFO L79 Accepts]: Start accepts. Automaton has 21332 states and 96341 transitions. Word has length 64 [2025-04-13 22:38:59,704 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:38:59,704 INFO L485 AbstractCegarLoop]: Abstraction has 21332 states and 96341 transitions. [2025-04-13 22:38:59,704 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:38:59,705 INFO L278 IsEmpty]: Start isEmpty. Operand 21332 states and 96341 transitions. [2025-04-13 22:38:59,747 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:38:59,748 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:38:59,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:38:59,748 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2025-04-13 22:38:59,748 INFO L403 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:38:59,748 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:38:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1989980612, now seen corresponding path program 161 times [2025-04-13 22:38:59,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:38:59,748 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100106377] [2025-04-13 22:38:59,748 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:38:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:38:59,752 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:38:59,754 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:38:59,754 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:38:59,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:38:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:38:59,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:38:59,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100106377] [2025-04-13 22:38:59,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100106377] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:38:59,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:38:59,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:38:59,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677811887] [2025-04-13 22:38:59,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:38:59,948 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:38:59,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:38:59,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:38:59,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:38:59,949 INFO L87 Difference]: Start difference. First operand 21332 states and 96341 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:02,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:02,070 INFO L93 Difference]: Finished difference Result 25881 states and 116585 transitions. [2025-04-13 22:39:02,070 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-13 22:39:02,070 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:02,070 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:02,212 INFO L225 Difference]: With dead ends: 25881 [2025-04-13 22:39:02,212 INFO L226 Difference]: Without dead ends: 25459 [2025-04-13 22:39:02,219 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=288, Invalid=2574, Unknown=0, NotChecked=0, Total=2862 [2025-04-13 22:39:02,219 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 671 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6030 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 6030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:02,219 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 0 Invalid, 6046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 6030 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:39:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25459 states. [2025-04-13 22:39:02,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25459 to 21392. [2025-04-13 22:39:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21392 states, 21391 states have (on average 4.517460614277033) internal successors, (96633), 21391 states have internal predecessors, (96633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21392 states to 21392 states and 96633 transitions. [2025-04-13 22:39:02,733 INFO L79 Accepts]: Start accepts. Automaton has 21392 states and 96633 transitions. Word has length 64 [2025-04-13 22:39:02,733 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:02,733 INFO L485 AbstractCegarLoop]: Abstraction has 21392 states and 96633 transitions. [2025-04-13 22:39:02,733 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:02,733 INFO L278 IsEmpty]: Start isEmpty. Operand 21392 states and 96633 transitions. [2025-04-13 22:39:02,777 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:02,777 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:02,777 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:02,777 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2025-04-13 22:39:02,777 INFO L403 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:02,777 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:02,778 INFO L85 PathProgramCache]: Analyzing trace with hash 211320644, now seen corresponding path program 162 times [2025-04-13 22:39:02,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:02,778 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107653711] [2025-04-13 22:39:02,778 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:39:02,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:02,781 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:02,784 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:02,784 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:39:02,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:02,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:02,996 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107653711] [2025-04-13 22:39:02,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107653711] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:02,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:02,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:02,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056569520] [2025-04-13 22:39:02,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:02,996 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:02,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:02,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:02,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:02,997 INFO L87 Difference]: Start difference. First operand 21392 states and 96633 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:05,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:05,159 INFO L93 Difference]: Finished difference Result 25861 states and 116433 transitions. [2025-04-13 22:39:05,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-13 22:39:05,159 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:05,159 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:05,304 INFO L225 Difference]: With dead ends: 25861 [2025-04-13 22:39:05,304 INFO L226 Difference]: Without dead ends: 25419 [2025-04-13 22:39:05,315 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=291, Invalid=2571, Unknown=0, NotChecked=0, Total=2862 [2025-04-13 22:39:05,315 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 693 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5934 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:05,315 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 0 Invalid, 5950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5934 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:39:05,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25419 states. [2025-04-13 22:39:05,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25419 to 21392. [2025-04-13 22:39:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21392 states, 21391 states have (on average 4.515590668972933) internal successors, (96593), 21391 states have internal predecessors, (96593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21392 states to 21392 states and 96593 transitions. [2025-04-13 22:39:06,070 INFO L79 Accepts]: Start accepts. Automaton has 21392 states and 96593 transitions. Word has length 64 [2025-04-13 22:39:06,071 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:06,071 INFO L485 AbstractCegarLoop]: Abstraction has 21392 states and 96593 transitions. [2025-04-13 22:39:06,071 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:06,071 INFO L278 IsEmpty]: Start isEmpty. Operand 21392 states and 96593 transitions. [2025-04-13 22:39:06,113 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:06,113 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:06,113 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:06,114 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2025-04-13 22:39:06,114 INFO L403 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:06,114 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:06,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1175146894, now seen corresponding path program 163 times [2025-04-13 22:39:06,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:06,114 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35591454] [2025-04-13 22:39:06,114 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:39:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:06,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:06,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:06,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:39:06,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:06,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:06,320 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35591454] [2025-04-13 22:39:06,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35591454] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:06,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:06,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:06,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817580537] [2025-04-13 22:39:06,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:06,321 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:06,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:06,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:06,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:06,321 INFO L87 Difference]: Start difference. First operand 21392 states and 96593 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:08,593 INFO L93 Difference]: Finished difference Result 25919 states and 116844 transitions. [2025-04-13 22:39:08,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-13 22:39:08,593 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:08,593 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:08,733 INFO L225 Difference]: With dead ends: 25919 [2025-04-13 22:39:08,733 INFO L226 Difference]: Without dead ends: 25377 [2025-04-13 22:39:08,742 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=328, Invalid=3212, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:39:08,742 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 788 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6525 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:08,742 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 0 Invalid, 6544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6525 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:39:08,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25377 states. [2025-04-13 22:39:09,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25377 to 21352. [2025-04-13 22:39:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21352 states, 21351 states have (on average 4.516181911854246) internal successors, (96425), 21351 states have internal predecessors, (96425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21352 states to 21352 states and 96425 transitions. [2025-04-13 22:39:09,236 INFO L79 Accepts]: Start accepts. Automaton has 21352 states and 96425 transitions. Word has length 64 [2025-04-13 22:39:09,237 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:09,237 INFO L485 AbstractCegarLoop]: Abstraction has 21352 states and 96425 transitions. [2025-04-13 22:39:09,237 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:09,237 INFO L278 IsEmpty]: Start isEmpty. Operand 21352 states and 96425 transitions. [2025-04-13 22:39:09,274 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:09,274 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:09,274 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:09,274 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2025-04-13 22:39:09,274 INFO L403 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:09,274 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:09,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1266085926, now seen corresponding path program 164 times [2025-04-13 22:39:09,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:09,274 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378806849] [2025-04-13 22:39:09,274 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:39:09,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:09,278 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:09,280 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:09,280 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:39:09,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:09,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:09,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378806849] [2025-04-13 22:39:09,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378806849] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:09,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:09,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:09,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776007836] [2025-04-13 22:39:09,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:09,474 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:09,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:09,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:09,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:09,474 INFO L87 Difference]: Start difference. First operand 21352 states and 96425 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:11,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:11,883 INFO L93 Difference]: Finished difference Result 27655 states and 124191 transitions. [2025-04-13 22:39:11,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-13 22:39:11,883 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:11,883 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:12,039 INFO L225 Difference]: With dead ends: 27655 [2025-04-13 22:39:12,039 INFO L226 Difference]: Without dead ends: 27233 [2025-04-13 22:39:12,051 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=3183, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:39:12,051 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 799 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6818 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:12,051 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 0 Invalid, 6839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6818 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:39:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27233 states. [2025-04-13 22:39:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27233 to 21372. [2025-04-13 22:39:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21372 states, 21371 states have (on average 4.516821861400964) internal successors, (96529), 21371 states have internal predecessors, (96529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21372 states to 21372 states and 96529 transitions. [2025-04-13 22:39:12,748 INFO L79 Accepts]: Start accepts. Automaton has 21372 states and 96529 transitions. Word has length 64 [2025-04-13 22:39:12,749 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:12,749 INFO L485 AbstractCegarLoop]: Abstraction has 21372 states and 96529 transitions. [2025-04-13 22:39:12,749 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:12,749 INFO L278 IsEmpty]: Start isEmpty. Operand 21372 states and 96529 transitions. [2025-04-13 22:39:12,788 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:12,789 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:12,789 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:12,789 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2025-04-13 22:39:12,789 INFO L403 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:12,789 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 468173546, now seen corresponding path program 165 times [2025-04-13 22:39:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:12,789 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25662260] [2025-04-13 22:39:12,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:39:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:12,793 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:12,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:12,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:39:12,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:12,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:12,989 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25662260] [2025-04-13 22:39:12,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25662260] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:12,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:12,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:12,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861286081] [2025-04-13 22:39:12,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:12,989 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:12,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:12,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:12,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:12,990 INFO L87 Difference]: Start difference. First operand 21372 states and 96529 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:15,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:15,647 INFO L93 Difference]: Finished difference Result 28031 states and 125879 transitions. [2025-04-13 22:39:15,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-13 22:39:15,647 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:15,647 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:15,814 INFO L225 Difference]: With dead ends: 28031 [2025-04-13 22:39:15,814 INFO L226 Difference]: Without dead ends: 27589 [2025-04-13 22:39:15,825 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=412, Invalid=3878, Unknown=0, NotChecked=0, Total=4290 [2025-04-13 22:39:15,826 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 888 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7065 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 7065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:15,826 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 0 Invalid, 7090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 7065 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:39:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27589 states. [2025-04-13 22:39:16,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27589 to 21422. [2025-04-13 22:39:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21422 states, 21421 states have (on average 4.51379487418888) internal successors, (96690), 21421 states have internal predecessors, (96690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21422 states to 21422 states and 96690 transitions. [2025-04-13 22:39:16,353 INFO L79 Accepts]: Start accepts. Automaton has 21422 states and 96690 transitions. Word has length 64 [2025-04-13 22:39:16,353 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:16,353 INFO L485 AbstractCegarLoop]: Abstraction has 21422 states and 96690 transitions. [2025-04-13 22:39:16,353 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:16,353 INFO L278 IsEmpty]: Start isEmpty. Operand 21422 states and 96690 transitions. [2025-04-13 22:39:16,392 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:16,393 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:16,393 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:16,393 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2025-04-13 22:39:16,393 INFO L403 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:16,393 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:16,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1330719432, now seen corresponding path program 166 times [2025-04-13 22:39:16,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:16,393 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573927682] [2025-04-13 22:39:16,393 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:39:16,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:16,397 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:39:16,400 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:16,400 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:39:16,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:16,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:16,736 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573927682] [2025-04-13 22:39:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573927682] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:16,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462823661] [2025-04-13 22:39:16,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:16,736 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:16,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:16,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:16,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:16,737 INFO L87 Difference]: Start difference. First operand 21422 states and 96690 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:19,086 INFO L93 Difference]: Finished difference Result 27317 states and 122931 transitions. [2025-04-13 22:39:19,087 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-13 22:39:19,087 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:19,087 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:19,236 INFO L225 Difference]: With dead ends: 27317 [2025-04-13 22:39:19,236 INFO L226 Difference]: Without dead ends: 26895 [2025-04-13 22:39:19,247 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=378, Invalid=3528, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:39:19,247 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 764 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6907 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:19,247 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 0 Invalid, 6931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6907 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:39:19,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26895 states. [2025-04-13 22:39:19,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26895 to 21472. [2025-04-13 22:39:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21472 states, 21471 states have (on average 4.51236551627777) internal successors, (96885), 21471 states have internal predecessors, (96885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21472 states to 21472 states and 96885 transitions. [2025-04-13 22:39:19,865 INFO L79 Accepts]: Start accepts. Automaton has 21472 states and 96885 transitions. Word has length 64 [2025-04-13 22:39:19,865 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:19,865 INFO L485 AbstractCegarLoop]: Abstraction has 21472 states and 96885 transitions. [2025-04-13 22:39:19,865 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:19,865 INFO L278 IsEmpty]: Start isEmpty. Operand 21472 states and 96885 transitions. [2025-04-13 22:39:19,905 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:19,905 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:19,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:19,905 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2025-04-13 22:39:19,905 INFO L403 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:19,905 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:19,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1141985500, now seen corresponding path program 167 times [2025-04-13 22:39:19,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:19,906 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828399607] [2025-04-13 22:39:19,906 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:39:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:19,909 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:19,912 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:19,912 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:39:19,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:20,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:20,104 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828399607] [2025-04-13 22:39:20,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828399607] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:20,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:20,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:20,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275041546] [2025-04-13 22:39:20,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:20,105 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:20,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:20,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:20,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:20,105 INFO L87 Difference]: Start difference. First operand 21472 states and 96885 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:22,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:22,591 INFO L93 Difference]: Finished difference Result 27596 states and 124599 transitions. [2025-04-13 22:39:22,591 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-13 22:39:22,591 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:22,591 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:22,738 INFO L225 Difference]: With dead ends: 27596 [2025-04-13 22:39:22,738 INFO L226 Difference]: Without dead ends: 26854 [2025-04-13 22:39:22,749 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=401, Invalid=3889, Unknown=0, NotChecked=0, Total=4290 [2025-04-13 22:39:22,749 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 822 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6893 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 6893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:22,749 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 0 Invalid, 6919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 6893 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:39:22,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26854 states. [2025-04-13 22:39:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26854 to 21332. [2025-04-13 22:39:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21332 states, 21331 states have (on average 4.515540762270874) internal successors, (96321), 21331 states have internal predecessors, (96321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:23,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21332 states to 21332 states and 96321 transitions. [2025-04-13 22:39:23,277 INFO L79 Accepts]: Start accepts. Automaton has 21332 states and 96321 transitions. Word has length 64 [2025-04-13 22:39:23,277 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:23,277 INFO L485 AbstractCegarLoop]: Abstraction has 21332 states and 96321 transitions. [2025-04-13 22:39:23,277 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:23,277 INFO L278 IsEmpty]: Start isEmpty. Operand 21332 states and 96321 transitions. [2025-04-13 22:39:23,315 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:23,315 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:23,315 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:23,315 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2025-04-13 22:39:23,316 INFO L403 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:23,316 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:23,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2042471898, now seen corresponding path program 168 times [2025-04-13 22:39:23,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:23,316 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350933146] [2025-04-13 22:39:23,316 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:39:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:23,319 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:23,322 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:23,322 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:39:23,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:23,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:23,624 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350933146] [2025-04-13 22:39:23,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350933146] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:23,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:23,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:23,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673838255] [2025-04-13 22:39:23,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:23,625 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:23,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:23,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:23,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:23,625 INFO L87 Difference]: Start difference. First operand 21332 states and 96321 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:26,126 INFO L93 Difference]: Finished difference Result 27820 states and 124851 transitions. [2025-04-13 22:39:26,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:39:26,126 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:26,127 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:26,280 INFO L225 Difference]: With dead ends: 27820 [2025-04-13 22:39:26,280 INFO L226 Difference]: Without dead ends: 27148 [2025-04-13 22:39:26,292 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=379, Invalid=3527, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:39:26,292 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 806 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7424 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 7424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:26,292 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 0 Invalid, 7445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 7424 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:39:26,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27148 states. [2025-04-13 22:39:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27148 to 21422. [2025-04-13 22:39:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21422 states, 21421 states have (on average 4.514728537416554) internal successors, (96710), 21421 states have internal predecessors, (96710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21422 states to 21422 states and 96710 transitions. [2025-04-13 22:39:26,995 INFO L79 Accepts]: Start accepts. Automaton has 21422 states and 96710 transitions. Word has length 64 [2025-04-13 22:39:26,995 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:26,995 INFO L485 AbstractCegarLoop]: Abstraction has 21422 states and 96710 transitions. [2025-04-13 22:39:26,995 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:26,995 INFO L278 IsEmpty]: Start isEmpty. Operand 21422 states and 96710 transitions. [2025-04-13 22:39:27,034 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:27,034 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:27,034 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:27,034 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2025-04-13 22:39:27,034 INFO L403 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:27,035 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash -308212426, now seen corresponding path program 169 times [2025-04-13 22:39:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:27,035 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244159048] [2025-04-13 22:39:27,035 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:39:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:27,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:27,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:27,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:39:27,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:27,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:27,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244159048] [2025-04-13 22:39:27,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244159048] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:27,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:27,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:27,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121735804] [2025-04-13 22:39:27,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:27,237 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:27,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:27,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:27,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:27,238 INFO L87 Difference]: Start difference. First operand 21422 states and 96710 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:29,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:29,890 INFO L93 Difference]: Finished difference Result 28654 states and 128655 transitions. [2025-04-13 22:39:29,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:39:29,891 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:29,891 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:30,045 INFO L225 Difference]: With dead ends: 28654 [2025-04-13 22:39:30,045 INFO L226 Difference]: Without dead ends: 28112 [2025-04-13 22:39:30,058 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1043 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=389, Invalid=3771, Unknown=0, NotChecked=0, Total=4160 [2025-04-13 22:39:30,059 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 815 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7548 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 7548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:30,059 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 0 Invalid, 7568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 7548 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:39:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28112 states. [2025-04-13 22:39:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28112 to 21372. [2025-04-13 22:39:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21372 states, 21371 states have (on average 4.514014318468953) internal successors, (96469), 21371 states have internal predecessors, (96469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21372 states to 21372 states and 96469 transitions. [2025-04-13 22:39:30,606 INFO L79 Accepts]: Start accepts. Automaton has 21372 states and 96469 transitions. Word has length 64 [2025-04-13 22:39:30,606 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:30,606 INFO L485 AbstractCegarLoop]: Abstraction has 21372 states and 96469 transitions. [2025-04-13 22:39:30,606 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:30,606 INFO L278 IsEmpty]: Start isEmpty. Operand 21372 states and 96469 transitions. [2025-04-13 22:39:30,644 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:30,645 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:30,645 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:30,645 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2025-04-13 22:39:30,645 INFO L403 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:30,645 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:30,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2107105404, now seen corresponding path program 170 times [2025-04-13 22:39:30,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:30,645 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036009663] [2025-04-13 22:39:30,645 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:39:30,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:30,649 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:30,651 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:30,651 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:39:30,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:30,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:30,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036009663] [2025-04-13 22:39:30,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036009663] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:30,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:30,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960151546] [2025-04-13 22:39:30,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:30,946 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:30,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:30,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:30,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:30,946 INFO L87 Difference]: Start difference. First operand 21372 states and 96469 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:33,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:33,419 INFO L93 Difference]: Finished difference Result 27696 states and 123948 transitions. [2025-04-13 22:39:33,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:39:33,420 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:33,420 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:33,579 INFO L225 Difference]: With dead ends: 27696 [2025-04-13 22:39:33,579 INFO L226 Difference]: Without dead ends: 27079 [2025-04-13 22:39:33,590 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=376, Invalid=3656, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:39:33,591 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 823 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6981 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:33,591 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 0 Invalid, 7002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6981 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:39:33,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27079 states. [2025-04-13 22:39:34,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27079 to 21352. [2025-04-13 22:39:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21352 states, 21351 states have (on average 4.514308463303826) internal successors, (96385), 21351 states have internal predecessors, (96385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21352 states to 21352 states and 96385 transitions. [2025-04-13 22:39:34,223 INFO L79 Accepts]: Start accepts. Automaton has 21352 states and 96385 transitions. Word has length 64 [2025-04-13 22:39:34,223 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:34,223 INFO L485 AbstractCegarLoop]: Abstraction has 21352 states and 96385 transitions. [2025-04-13 22:39:34,223 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:34,223 INFO L278 IsEmpty]: Start isEmpty. Operand 21352 states and 96385 transitions. [2025-04-13 22:39:34,262 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:34,263 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:34,263 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:34,263 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2025-04-13 22:39:34,263 INFO L403 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:34,263 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash 478723422, now seen corresponding path program 171 times [2025-04-13 22:39:34,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:34,263 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150631988] [2025-04-13 22:39:34,263 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:39:34,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:34,267 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:34,269 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:34,269 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:39:34,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:34,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:34,461 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150631988] [2025-04-13 22:39:34,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150631988] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:34,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:34,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:39:34,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448093953] [2025-04-13 22:39:34,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:34,461 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:39:34,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:34,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:39:34,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:39:34,462 INFO L87 Difference]: Start difference. First operand 21352 states and 96385 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:36,908 INFO L93 Difference]: Finished difference Result 27378 states and 122849 transitions. [2025-04-13 22:39:36,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:39:36,908 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:36,908 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:37,061 INFO L225 Difference]: With dead ends: 27378 [2025-04-13 22:39:37,061 INFO L226 Difference]: Without dead ends: 26386 [2025-04-13 22:39:37,073 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=368, Invalid=3664, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:39:37,073 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 792 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6791 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:37,073 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 0 Invalid, 6815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6791 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:39:37,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26386 states. [2025-04-13 22:39:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26386 to 20972. [2025-04-13 22:39:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20972 states, 20971 states have (on average 4.523341757665348) internal successors, (94859), 20971 states have internal predecessors, (94859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20972 states to 20972 states and 94859 transitions. [2025-04-13 22:39:37,596 INFO L79 Accepts]: Start accepts. Automaton has 20972 states and 94859 transitions. Word has length 64 [2025-04-13 22:39:37,597 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:37,597 INFO L485 AbstractCegarLoop]: Abstraction has 20972 states and 94859 transitions. [2025-04-13 22:39:37,597 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:37,597 INFO L278 IsEmpty]: Start isEmpty. Operand 20972 states and 94859 transitions. [2025-04-13 22:39:37,636 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:37,636 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:37,636 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:37,636 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2025-04-13 22:39:37,636 INFO L403 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:37,636 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:37,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1713064604, now seen corresponding path program 172 times [2025-04-13 22:39:37,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:37,636 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192367626] [2025-04-13 22:39:37,636 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:39:37,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:37,640 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:39:37,643 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:37,643 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:39:37,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:37,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:37,986 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192367626] [2025-04-13 22:39:37,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192367626] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:37,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:37,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:39:37,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981735105] [2025-04-13 22:39:37,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:37,987 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:39:37,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:37,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:39:37,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:39:37,987 INFO L87 Difference]: Start difference. First operand 20972 states and 94859 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:39,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:39,448 INFO L93 Difference]: Finished difference Result 23873 states and 107728 transitions. [2025-04-13 22:39:39,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-13 22:39:39,448 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:39,449 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:39,586 INFO L225 Difference]: With dead ends: 23873 [2025-04-13 22:39:39,586 INFO L226 Difference]: Without dead ends: 23371 [2025-04-13 22:39:39,595 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=1453, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:39:39,595 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 457 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4462 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:39,595 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 0 Invalid, 4464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4462 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:39:39,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23371 states. [2025-04-13 22:39:40,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23371 to 21372. [2025-04-13 22:39:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21372 states, 21371 states have (on average 4.514622619437556) internal successors, (96482), 21371 states have internal predecessors, (96482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21372 states to 21372 states and 96482 transitions. [2025-04-13 22:39:40,259 INFO L79 Accepts]: Start accepts. Automaton has 21372 states and 96482 transitions. Word has length 64 [2025-04-13 22:39:40,260 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:40,260 INFO L485 AbstractCegarLoop]: Abstraction has 21372 states and 96482 transitions. [2025-04-13 22:39:40,260 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:40,260 INFO L278 IsEmpty]: Start isEmpty. Operand 21372 states and 96482 transitions. [2025-04-13 22:39:40,299 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:40,299 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:40,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:40,299 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2025-04-13 22:39:40,299 INFO L403 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:40,300 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:40,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1547901770, now seen corresponding path program 173 times [2025-04-13 22:39:40,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:40,300 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100821891] [2025-04-13 22:39:40,300 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:39:40,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:40,303 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:40,306 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:40,306 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:39:40,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:40,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:40,481 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100821891] [2025-04-13 22:39:40,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100821891] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:40,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:40,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:39:40,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137173715] [2025-04-13 22:39:40,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:40,482 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:39:40,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:40,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:39:40,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:39:40,482 INFO L87 Difference]: Start difference. First operand 21372 states and 96482 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:42,051 INFO L93 Difference]: Finished difference Result 23948 states and 108037 transitions. [2025-04-13 22:39:42,051 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:39:42,051 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:42,051 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:42,332 INFO L225 Difference]: With dead ends: 23948 [2025-04-13 22:39:42,333 INFO L226 Difference]: Without dead ends: 23321 [2025-04-13 22:39:42,339 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=1529, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:39:42,339 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 519 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4614 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:42,339 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 0 Invalid, 4618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4614 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:39:42,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23321 states. [2025-04-13 22:39:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23321 to 21272. [2025-04-13 22:39:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21272 states, 21271 states have (on average 4.516477833670256) internal successors, (96070), 21271 states have internal predecessors, (96070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21272 states to 21272 states and 96070 transitions. [2025-04-13 22:39:42,852 INFO L79 Accepts]: Start accepts. Automaton has 21272 states and 96070 transitions. Word has length 64 [2025-04-13 22:39:42,852 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:42,852 INFO L485 AbstractCegarLoop]: Abstraction has 21272 states and 96070 transitions. [2025-04-13 22:39:42,852 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:42,852 INFO L278 IsEmpty]: Start isEmpty. Operand 21272 states and 96070 transitions. [2025-04-13 22:39:42,898 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:42,898 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:42,898 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:42,898 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2025-04-13 22:39:42,898 INFO L403 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:42,899 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:42,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1427052426, now seen corresponding path program 174 times [2025-04-13 22:39:42,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:42,899 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359015387] [2025-04-13 22:39:42,899 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:39:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:42,903 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:42,905 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:42,906 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:39:42,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:43,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:43,097 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359015387] [2025-04-13 22:39:43,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359015387] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:43,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:43,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-04-13 22:39:43,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513174777] [2025-04-13 22:39:43,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:43,097 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 22:39:43,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:43,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 22:39:43,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2025-04-13 22:39:43,098 INFO L87 Difference]: Start difference. First operand 21272 states and 96070 transitions. Second operand has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:44,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:44,815 INFO L93 Difference]: Finished difference Result 23748 states and 107163 transitions. [2025-04-13 22:39:44,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:39:44,815 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:44,816 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:44,968 INFO L225 Difference]: With dead ends: 23748 [2025-04-13 22:39:44,968 INFO L226 Difference]: Without dead ends: 22496 [2025-04-13 22:39:44,979 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=1606, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:39:44,979 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 536 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:44,979 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 0 Invalid, 4707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:39:45,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22496 states. [2025-04-13 22:39:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22496 to 21072. [2025-04-13 22:39:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21072 states, 21071 states have (on average 4.517868160030374) internal successors, (95196), 21071 states have internal predecessors, (95196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21072 states to 21072 states and 95196 transitions. [2025-04-13 22:39:45,679 INFO L79 Accepts]: Start accepts. Automaton has 21072 states and 95196 transitions. Word has length 64 [2025-04-13 22:39:45,679 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:45,679 INFO L485 AbstractCegarLoop]: Abstraction has 21072 states and 95196 transitions. [2025-04-13 22:39:45,679 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.266666666666667) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:45,680 INFO L278 IsEmpty]: Start isEmpty. Operand 21072 states and 95196 transitions. [2025-04-13 22:39:45,720 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:45,720 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:45,721 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:45,721 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2025-04-13 22:39:45,721 INFO L403 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:45,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1295075894, now seen corresponding path program 175 times [2025-04-13 22:39:45,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:45,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824401804] [2025-04-13 22:39:45,721 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:39:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:45,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:45,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:45,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:39:45,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:45,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:45,925 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824401804] [2025-04-13 22:39:45,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824401804] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:45,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:45,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:39:45,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589724016] [2025-04-13 22:39:45,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:45,925 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:39:45,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:45,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:39:45,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:39:45,926 INFO L87 Difference]: Start difference. First operand 21072 states and 95196 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:47,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:47,800 INFO L93 Difference]: Finished difference Result 24073 states and 108552 transitions. [2025-04-13 22:39:47,800 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-13 22:39:47,800 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:47,800 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:47,960 INFO L225 Difference]: With dead ends: 24073 [2025-04-13 22:39:47,960 INFO L226 Difference]: Without dead ends: 23571 [2025-04-13 22:39:47,967 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=1771, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:39:47,971 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 501 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4893 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:47,972 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 0 Invalid, 4900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4893 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:39:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23571 states. [2025-04-13 22:39:48,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23571 to 21222. [2025-04-13 22:39:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21222 states, 21221 states have (on average 4.516233919230951) internal successors, (95839), 21221 states have internal predecessors, (95839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21222 states to 21222 states and 95839 transitions. [2025-04-13 22:39:48,590 INFO L79 Accepts]: Start accepts. Automaton has 21222 states and 95839 transitions. Word has length 64 [2025-04-13 22:39:48,590 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:48,590 INFO L485 AbstractCegarLoop]: Abstraction has 21222 states and 95839 transitions. [2025-04-13 22:39:48,590 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:48,591 INFO L278 IsEmpty]: Start isEmpty. Operand 21222 states and 95839 transitions. [2025-04-13 22:39:48,630 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:48,630 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:48,630 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:48,631 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2025-04-13 22:39:48,631 INFO L403 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:48,631 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:48,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2027037532, now seen corresponding path program 176 times [2025-04-13 22:39:48,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:48,631 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62059448] [2025-04-13 22:39:48,631 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:39:48,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:48,636 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:48,638 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:48,638 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:39:48,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:48,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:48,936 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62059448] [2025-04-13 22:39:48,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62059448] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:48,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:48,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:39:48,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025348314] [2025-04-13 22:39:48,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:48,937 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:39:48,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:48,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:39:48,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:39:48,937 INFO L87 Difference]: Start difference. First operand 21222 states and 95839 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:50,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:50,713 INFO L93 Difference]: Finished difference Result 24148 states and 108861 transitions. [2025-04-13 22:39:50,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:39:50,713 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:50,713 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:50,851 INFO L225 Difference]: With dead ends: 24148 [2025-04-13 22:39:50,851 INFO L226 Difference]: Without dead ends: 23521 [2025-04-13 22:39:50,860 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=1855, Unknown=0, NotChecked=0, Total=2070 [2025-04-13 22:39:50,860 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 591 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5045 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:50,860 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 0 Invalid, 5054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5045 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:39:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23521 states. [2025-04-13 22:39:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23521 to 21122. [2025-04-13 22:39:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21122 states, 21121 states have (on average 4.518109937976422) internal successors, (95427), 21121 states have internal predecessors, (95427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21122 states to 21122 states and 95427 transitions. [2025-04-13 22:39:51,431 INFO L79 Accepts]: Start accepts. Automaton has 21122 states and 95427 transitions. Word has length 64 [2025-04-13 22:39:51,431 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:51,431 INFO L485 AbstractCegarLoop]: Abstraction has 21122 states and 95427 transitions. [2025-04-13 22:39:51,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:51,431 INFO L278 IsEmpty]: Start isEmpty. Operand 21122 states and 95427 transitions. [2025-04-13 22:39:51,469 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:51,469 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:51,469 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:51,469 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2025-04-13 22:39:51,469 INFO L403 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:51,470 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:51,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2041536376, now seen corresponding path program 177 times [2025-04-13 22:39:51,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:51,470 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575209240] [2025-04-13 22:39:51,470 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:39:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:51,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:51,476 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:51,476 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:39:51,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:51,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:51,663 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575209240] [2025-04-13 22:39:51,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575209240] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:51,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:51,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:39:51,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051865908] [2025-04-13 22:39:51,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:51,663 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:39:51,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:51,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:39:51,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:39:51,663 INFO L87 Difference]: Start difference. First operand 21122 states and 95427 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:53,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:53,548 INFO L93 Difference]: Finished difference Result 24073 states and 108527 transitions. [2025-04-13 22:39:53,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:39:53,548 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:53,548 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:53,691 INFO L225 Difference]: With dead ends: 24073 [2025-04-13 22:39:53,691 INFO L226 Difference]: Without dead ends: 23021 [2025-04-13 22:39:53,698 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=222, Invalid=1940, Unknown=0, NotChecked=0, Total=2162 [2025-04-13 22:39:53,698 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 582 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5177 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:53,698 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 0 Invalid, 5187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5177 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-04-13 22:39:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23021 states. [2025-04-13 22:39:54,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23021 to 21072. [2025-04-13 22:39:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21072 states, 21071 states have (on average 4.517868160030374) internal successors, (95196), 21071 states have internal predecessors, (95196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21072 states to 21072 states and 95196 transitions. [2025-04-13 22:39:54,208 INFO L79 Accepts]: Start accepts. Automaton has 21072 states and 95196 transitions. Word has length 64 [2025-04-13 22:39:54,209 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:54,209 INFO L485 AbstractCegarLoop]: Abstraction has 21072 states and 95196 transitions. [2025-04-13 22:39:54,209 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:54,209 INFO L278 IsEmpty]: Start isEmpty. Operand 21072 states and 95196 transitions. [2025-04-13 22:39:54,248 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:54,248 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:54,248 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:54,248 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2025-04-13 22:39:54,248 INFO L403 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:54,248 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:54,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1785356166, now seen corresponding path program 178 times [2025-04-13 22:39:54,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:54,248 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907351443] [2025-04-13 22:39:54,248 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:39:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:54,252 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:39:54,255 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:54,255 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:39:54,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:54,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:54,661 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907351443] [2025-04-13 22:39:54,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907351443] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:54,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:54,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:39:54,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131394139] [2025-04-13 22:39:54,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:54,661 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:39:54,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:54,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:39:54,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:39:54,661 INFO L87 Difference]: Start difference. First operand 21072 states and 95196 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:56,166 INFO L93 Difference]: Finished difference Result 23408 states and 105508 transitions. [2025-04-13 22:39:56,167 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:39:56,167 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:56,167 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:56,313 INFO L225 Difference]: With dead ends: 23408 [2025-04-13 22:39:56,313 INFO L226 Difference]: Without dead ends: 22906 [2025-04-13 22:39:56,322 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:39:56,323 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 524 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4554 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:56,323 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 0 Invalid, 4557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4554 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:39:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22906 states. [2025-04-13 22:39:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22906 to 21222. [2025-04-13 22:39:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21222 states, 21221 states have (on average 4.5138777625936575) internal successors, (95789), 21221 states have internal predecessors, (95789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21222 states to 21222 states and 95789 transitions. [2025-04-13 22:39:56,968 INFO L79 Accepts]: Start accepts. Automaton has 21222 states and 95789 transitions. Word has length 64 [2025-04-13 22:39:56,969 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:56,969 INFO L485 AbstractCegarLoop]: Abstraction has 21222 states and 95789 transitions. [2025-04-13 22:39:56,969 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:56,969 INFO L278 IsEmpty]: Start isEmpty. Operand 21222 states and 95789 transitions. [2025-04-13 22:39:57,007 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:57,007 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:57,007 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:57,007 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2025-04-13 22:39:57,007 INFO L403 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:57,008 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:57,008 INFO L85 PathProgramCache]: Analyzing trace with hash -158851850, now seen corresponding path program 179 times [2025-04-13 22:39:57,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:57,008 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737335635] [2025-04-13 22:39:57,008 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:39:57,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:57,011 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:57,014 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:57,014 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:39:57,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:39:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:39:57,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:39:57,262 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737335635] [2025-04-13 22:39:57,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737335635] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:39:57,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:39:57,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:39:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654153105] [2025-04-13 22:39:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:39:57,262 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:39:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:39:57,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:39:57,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:39:57,263 INFO L87 Difference]: Start difference. First operand 21222 states and 95789 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:39:58,964 INFO L93 Difference]: Finished difference Result 23483 states and 105817 transitions. [2025-04-13 22:39:58,964 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:39:58,964 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:39:58,964 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:39:59,286 INFO L225 Difference]: With dead ends: 23483 [2025-04-13 22:39:59,286 INFO L226 Difference]: Without dead ends: 22856 [2025-04-13 22:39:59,293 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:39:59,293 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 540 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4721 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:39:59,293 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 0 Invalid, 4726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4721 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:39:59,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22856 states. [2025-04-13 22:39:59,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22856 to 21222. [2025-04-13 22:39:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21222 states, 21221 states have (on average 4.5138777625936575) internal successors, (95789), 21221 states have internal predecessors, (95789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21222 states to 21222 states and 95789 transitions. [2025-04-13 22:39:59,773 INFO L79 Accepts]: Start accepts. Automaton has 21222 states and 95789 transitions. Word has length 64 [2025-04-13 22:39:59,773 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:39:59,773 INFO L485 AbstractCegarLoop]: Abstraction has 21222 states and 95789 transitions. [2025-04-13 22:39:59,774 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:39:59,774 INFO L278 IsEmpty]: Start isEmpty. Operand 21222 states and 95789 transitions. [2025-04-13 22:39:59,814 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:39:59,814 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:39:59,814 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:39:59,814 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2025-04-13 22:39:59,814 INFO L403 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:39:59,814 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:39:59,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2071368344, now seen corresponding path program 180 times [2025-04-13 22:39:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:39:59,815 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131019251] [2025-04-13 22:39:59,815 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:39:59,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:39:59,818 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:39:59,820 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:39:59,821 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:39:59,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:00,027 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131019251] [2025-04-13 22:40:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131019251] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:00,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:00,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144041229] [2025-04-13 22:40:00,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:00,028 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:00,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:00,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:00,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:00,029 INFO L87 Difference]: Start difference. First operand 21222 states and 95789 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:01,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:01,723 INFO L93 Difference]: Finished difference Result 23408 states and 105483 transitions. [2025-04-13 22:40:01,723 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-13 22:40:01,723 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:01,723 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:01,862 INFO L225 Difference]: With dead ends: 23408 [2025-04-13 22:40:01,862 INFO L226 Difference]: Without dead ends: 22206 [2025-04-13 22:40:01,873 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:40:01,873 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 471 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4894 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:01,873 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 0 Invalid, 4899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4894 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:40:01,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22206 states. [2025-04-13 22:40:02,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22206 to 20972. [2025-04-13 22:40:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20972 states, 20971 states have (on average 4.521434361737637) internal successors, (94819), 20971 states have internal predecessors, (94819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20972 states to 20972 states and 94819 transitions. [2025-04-13 22:40:02,574 INFO L79 Accepts]: Start accepts. Automaton has 20972 states and 94819 transitions. Word has length 64 [2025-04-13 22:40:02,574 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:02,574 INFO L485 AbstractCegarLoop]: Abstraction has 20972 states and 94819 transitions. [2025-04-13 22:40:02,574 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:02,574 INFO L278 IsEmpty]: Start isEmpty. Operand 20972 states and 94819 transitions. [2025-04-13 22:40:02,614 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:02,615 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:02,615 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:02,615 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2025-04-13 22:40:02,615 INFO L403 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:02,615 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:02,615 INFO L85 PathProgramCache]: Analyzing trace with hash -976068270, now seen corresponding path program 181 times [2025-04-13 22:40:02,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:02,615 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127374172] [2025-04-13 22:40:02,615 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:40:02,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:02,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:02,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:02,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:40:02,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:02,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:02,813 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127374172] [2025-04-13 22:40:02,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127374172] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:02,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:02,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:02,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252105355] [2025-04-13 22:40:02,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:02,814 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:02,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:02,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:02,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:02,814 INFO L87 Difference]: Start difference. First operand 20972 states and 94819 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:05,359 INFO L93 Difference]: Finished difference Result 27692 states and 125097 transitions. [2025-04-13 22:40:05,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-13 22:40:05,359 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:05,360 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:05,528 INFO L225 Difference]: With dead ends: 27692 [2025-04-13 22:40:05,528 INFO L226 Difference]: Without dead ends: 27065 [2025-04-13 22:40:05,544 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1043 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=401, Invalid=3631, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:40:05,544 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 847 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6569 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:05,544 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 0 Invalid, 6589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6569 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:40:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27065 states. [2025-04-13 22:40:05,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27065 to 21292. [2025-04-13 22:40:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21292 states, 21291 states have (on average 4.52317880794702) internal successors, (96303), 21291 states have internal predecessors, (96303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21292 states to 21292 states and 96303 transitions. [2025-04-13 22:40:06,264 INFO L79 Accepts]: Start accepts. Automaton has 21292 states and 96303 transitions. Word has length 64 [2025-04-13 22:40:06,264 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:06,264 INFO L485 AbstractCegarLoop]: Abstraction has 21292 states and 96303 transitions. [2025-04-13 22:40:06,264 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:06,264 INFO L278 IsEmpty]: Start isEmpty. Operand 21292 states and 96303 transitions. [2025-04-13 22:40:06,306 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:06,306 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:06,306 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:06,306 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2025-04-13 22:40:06,306 INFO L403 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:06,306 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash -922616248, now seen corresponding path program 182 times [2025-04-13 22:40:06,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:06,307 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135713522] [2025-04-13 22:40:06,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:40:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:06,310 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:06,313 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:06,313 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:40:06,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:06,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:06,512 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135713522] [2025-04-13 22:40:06,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135713522] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:06,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:06,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:06,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41196815] [2025-04-13 22:40:06,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:06,513 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:06,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:06,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:06,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:06,513 INFO L87 Difference]: Start difference. First operand 21292 states and 96303 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:08,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:08,981 INFO L93 Difference]: Finished difference Result 28540 states and 128744 transitions. [2025-04-13 22:40:08,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:40:08,981 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:08,981 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:09,143 INFO L225 Difference]: With dead ends: 28540 [2025-04-13 22:40:09,143 INFO L226 Difference]: Without dead ends: 27588 [2025-04-13 22:40:09,156 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=377, Invalid=3405, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:40:09,157 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 824 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6492 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:09,157 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 0 Invalid, 6511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6492 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:40:09,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27588 states. [2025-04-13 22:40:09,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27588 to 21792. [2025-04-13 22:40:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21792 states, 21791 states have (on average 4.51640585562847) internal successors, (98417), 21791 states have internal predecessors, (98417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21792 states to 21792 states and 98417 transitions. [2025-04-13 22:40:09,871 INFO L79 Accepts]: Start accepts. Automaton has 21792 states and 98417 transitions. Word has length 64 [2025-04-13 22:40:09,871 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:09,871 INFO L485 AbstractCegarLoop]: Abstraction has 21792 states and 98417 transitions. [2025-04-13 22:40:09,871 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:09,871 INFO L278 IsEmpty]: Start isEmpty. Operand 21792 states and 98417 transitions. [2025-04-13 22:40:09,914 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:09,914 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:09,914 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:09,914 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2025-04-13 22:40:09,914 INFO L403 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:09,914 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:09,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1441481634, now seen corresponding path program 183 times [2025-04-13 22:40:09,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:09,915 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454399265] [2025-04-13 22:40:09,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:40:09,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:09,918 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:09,920 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:09,920 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:40:09,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:10,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:10,122 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454399265] [2025-04-13 22:40:10,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454399265] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:10,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868012994] [2025-04-13 22:40:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:10,123 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:10,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:10,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:10,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:10,123 INFO L87 Difference]: Start difference. First operand 21792 states and 98417 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:12,410 INFO L93 Difference]: Finished difference Result 26561 states and 119592 transitions. [2025-04-13 22:40:12,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:40:12,410 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:12,410 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:12,593 INFO L225 Difference]: With dead ends: 26561 [2025-04-13 22:40:12,594 INFO L226 Difference]: Without dead ends: 26139 [2025-04-13 22:40:12,606 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=298, Invalid=2782, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:40:12,606 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 743 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6123 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:12,606 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 0 Invalid, 6142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6123 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:40:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26139 states. [2025-04-13 22:40:13,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26139 to 22032. [2025-04-13 22:40:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22032 states, 22031 states have (on average 4.519313694339794) internal successors, (99565), 22031 states have internal predecessors, (99565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22032 states to 22032 states and 99565 transitions. [2025-04-13 22:40:13,267 INFO L79 Accepts]: Start accepts. Automaton has 22032 states and 99565 transitions. Word has length 64 [2025-04-13 22:40:13,268 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:13,268 INFO L485 AbstractCegarLoop]: Abstraction has 22032 states and 99565 transitions. [2025-04-13 22:40:13,268 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:13,268 INFO L278 IsEmpty]: Start isEmpty. Operand 22032 states and 99565 transitions. [2025-04-13 22:40:13,434 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:13,434 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:13,434 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:13,434 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2025-04-13 22:40:13,434 INFO L403 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:13,435 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash -962138906, now seen corresponding path program 184 times [2025-04-13 22:40:13,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:13,435 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799188991] [2025-04-13 22:40:13,435 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:40:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:13,438 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:40:13,442 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:13,442 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:40:13,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:13,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:13,693 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799188991] [2025-04-13 22:40:13,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799188991] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:13,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:13,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:13,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617696577] [2025-04-13 22:40:13,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:13,694 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:13,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:13,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:13,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:13,694 INFO L87 Difference]: Start difference. First operand 22032 states and 99565 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:15,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:15,900 INFO L93 Difference]: Finished difference Result 26541 states and 119440 transitions. [2025-04-13 22:40:15,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:40:15,901 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:15,901 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:16,055 INFO L225 Difference]: With dead ends: 26541 [2025-04-13 22:40:16,055 INFO L226 Difference]: Without dead ends: 26099 [2025-04-13 22:40:16,066 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=2779, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:40:16,066 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 763 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6027 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:16,066 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 0 Invalid, 6046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6027 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:40:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26099 states. [2025-04-13 22:40:16,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26099 to 22032. [2025-04-13 22:40:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22032 states, 22031 states have (on average 4.517498070900095) internal successors, (99525), 22031 states have internal predecessors, (99525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22032 states to 22032 states and 99525 transitions. [2025-04-13 22:40:16,625 INFO L79 Accepts]: Start accepts. Automaton has 22032 states and 99525 transitions. Word has length 64 [2025-04-13 22:40:16,625 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:16,625 INFO L485 AbstractCegarLoop]: Abstraction has 22032 states and 99525 transitions. [2025-04-13 22:40:16,625 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:16,625 INFO L278 IsEmpty]: Start isEmpty. Operand 22032 states and 99525 transitions. [2025-04-13 22:40:16,667 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:16,667 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:16,667 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:16,667 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2025-04-13 22:40:16,667 INFO L403 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:16,667 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:16,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1723645872, now seen corresponding path program 185 times [2025-04-13 22:40:16,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:16,667 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56115863] [2025-04-13 22:40:16,667 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:40:16,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:16,671 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:16,673 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:16,673 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:40:16,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:16,875 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56115863] [2025-04-13 22:40:16,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56115863] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:16,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:16,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996069667] [2025-04-13 22:40:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:16,876 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:16,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:16,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:16,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:16,876 INFO L87 Difference]: Start difference. First operand 22032 states and 99525 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:19,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:19,311 INFO L93 Difference]: Finished difference Result 26789 states and 120784 transitions. [2025-04-13 22:40:19,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:40:19,312 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:19,312 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:19,470 INFO L225 Difference]: With dead ends: 26789 [2025-04-13 22:40:19,471 INFO L226 Difference]: Without dead ends: 25997 [2025-04-13 22:40:19,482 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=340, Invalid=3442, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:40:19,483 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 862 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6574 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:19,483 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 0 Invalid, 6598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6574 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:40:19,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25997 states. [2025-04-13 22:40:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25997 to 21712. [2025-04-13 22:40:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21712 states, 21711 states have (on average 4.523375247570356) internal successors, (98207), 21711 states have internal predecessors, (98207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21712 states to 21712 states and 98207 transitions. [2025-04-13 22:40:20,146 INFO L79 Accepts]: Start accepts. Automaton has 21712 states and 98207 transitions. Word has length 64 [2025-04-13 22:40:20,146 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:20,146 INFO L485 AbstractCegarLoop]: Abstraction has 21712 states and 98207 transitions. [2025-04-13 22:40:20,146 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:20,146 INFO L278 IsEmpty]: Start isEmpty. Operand 21712 states and 98207 transitions. [2025-04-13 22:40:20,186 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:20,187 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:20,187 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:20,187 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2025-04-13 22:40:20,187 INFO L403 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:20,187 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:20,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1855421820, now seen corresponding path program 186 times [2025-04-13 22:40:20,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:20,187 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756348816] [2025-04-13 22:40:20,187 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:40:20,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:20,191 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:20,193 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:20,193 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:40:20,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:20,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:20,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756348816] [2025-04-13 22:40:20,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756348816] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:20,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:20,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:20,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30001098] [2025-04-13 22:40:20,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:20,407 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:20,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:20,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:20,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:20,407 INFO L87 Difference]: Start difference. First operand 21712 states and 98207 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:22,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:22,979 INFO L93 Difference]: Finished difference Result 28625 states and 128469 transitions. [2025-04-13 22:40:22,979 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:40:22,979 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:22,980 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:23,142 INFO L225 Difference]: With dead ends: 28625 [2025-04-13 22:40:23,142 INFO L226 Difference]: Without dead ends: 28203 [2025-04-13 22:40:23,154 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=367, Invalid=3415, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:40:23,154 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 866 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6956 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:23,154 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 0 Invalid, 6980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6956 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:40:23,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2025-04-13 22:40:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 21752. [2025-04-13 22:40:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21752 states, 21751 states have (on average 4.5246195577214845) internal successors, (98415), 21751 states have internal predecessors, (98415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21752 states to 21752 states and 98415 transitions. [2025-04-13 22:40:23,933 INFO L79 Accepts]: Start accepts. Automaton has 21752 states and 98415 transitions. Word has length 64 [2025-04-13 22:40:23,933 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:23,933 INFO L485 AbstractCegarLoop]: Abstraction has 21752 states and 98415 transitions. [2025-04-13 22:40:23,933 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:23,933 INFO L278 IsEmpty]: Start isEmpty. Operand 21752 states and 98415 transitions. [2025-04-13 22:40:23,979 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:23,979 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:23,979 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:23,979 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2025-04-13 22:40:23,980 INFO L403 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:23,980 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1016672524, now seen corresponding path program 187 times [2025-04-13 22:40:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:23,980 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799105150] [2025-04-13 22:40:23,980 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:40:23,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:23,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:23,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:23,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:40:23,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:24,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:24,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799105150] [2025-04-13 22:40:24,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799105150] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:24,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:24,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:24,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585696959] [2025-04-13 22:40:24,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:24,193 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:24,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:24,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:24,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:24,194 INFO L87 Difference]: Start difference. First operand 21752 states and 98415 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:26,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:26,891 INFO L93 Difference]: Finished difference Result 29001 states and 130157 transitions. [2025-04-13 22:40:26,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-13 22:40:26,891 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:26,891 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:27,060 INFO L225 Difference]: With dead ends: 29001 [2025-04-13 22:40:27,060 INFO L226 Difference]: Without dead ends: 28559 [2025-04-13 22:40:27,073 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=413, Invalid=4009, Unknown=0, NotChecked=0, Total=4422 [2025-04-13 22:40:27,073 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 942 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7197 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 7197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:27,073 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 0 Invalid, 7224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 7197 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:40:27,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28559 states. [2025-04-13 22:40:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28559 to 21852. [2025-04-13 22:40:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21852 states, 21851 states have (on average 4.5218525467941975) internal successors, (98807), 21851 states have internal predecessors, (98807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21852 states to 21852 states and 98807 transitions. [2025-04-13 22:40:27,671 INFO L79 Accepts]: Start accepts. Automaton has 21852 states and 98807 transitions. Word has length 64 [2025-04-13 22:40:27,671 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:27,671 INFO L485 AbstractCegarLoop]: Abstraction has 21852 states and 98807 transitions. [2025-04-13 22:40:27,672 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:27,672 INFO L278 IsEmpty]: Start isEmpty. Operand 21852 states and 98807 transitions. [2025-04-13 22:40:27,713 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:27,713 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:27,713 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:27,713 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2025-04-13 22:40:27,713 INFO L403 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:27,713 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:27,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1790788314, now seen corresponding path program 188 times [2025-04-13 22:40:27,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:27,713 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404728972] [2025-04-13 22:40:27,713 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:40:27,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:27,717 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:27,719 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:27,719 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:40:27,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:28,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:28,022 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404728972] [2025-04-13 22:40:28,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404728972] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:28,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:28,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:28,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468064542] [2025-04-13 22:40:28,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:28,022 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:28,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:28,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:28,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:28,022 INFO L87 Difference]: Start difference. First operand 21852 states and 98807 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:30,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:30,597 INFO L93 Difference]: Finished difference Result 28287 states and 127209 transitions. [2025-04-13 22:40:30,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-13 22:40:30,597 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:30,597 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:30,773 INFO L225 Difference]: With dead ends: 28287 [2025-04-13 22:40:30,774 INFO L226 Difference]: Without dead ends: 27865 [2025-04-13 22:40:30,782 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=388, Invalid=3772, Unknown=0, NotChecked=0, Total=4160 [2025-04-13 22:40:30,783 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 835 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7002 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 7002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:30,783 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 0 Invalid, 7029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 7002 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:40:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27865 states. [2025-04-13 22:40:31,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27865 to 21902. [2025-04-13 22:40:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21902 states, 21901 states have (on average 4.5204328569471715) internal successors, (99002), 21901 states have internal predecessors, (99002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21902 states to 21902 states and 99002 transitions. [2025-04-13 22:40:31,355 INFO L79 Accepts]: Start accepts. Automaton has 21902 states and 99002 transitions. Word has length 64 [2025-04-13 22:40:31,355 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:31,355 INFO L485 AbstractCegarLoop]: Abstraction has 21902 states and 99002 transitions. [2025-04-13 22:40:31,355 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:31,355 INFO L278 IsEmpty]: Start isEmpty. Operand 21902 states and 99002 transitions. [2025-04-13 22:40:31,395 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:31,395 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:31,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:31,395 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2025-04-13 22:40:31,395 INFO L403 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:31,395 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1690484478, now seen corresponding path program 189 times [2025-04-13 22:40:31,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:31,396 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217822768] [2025-04-13 22:40:31,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:40:31,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:31,399 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:31,401 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:31,401 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:40:31,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:31,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:31,609 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217822768] [2025-04-13 22:40:31,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217822768] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:31,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:31,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:31,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146185033] [2025-04-13 22:40:31,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:31,609 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:31,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:31,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:31,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:31,610 INFO L87 Difference]: Start difference. First operand 21902 states and 99002 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:34,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:34,359 INFO L93 Difference]: Finished difference Result 28868 states and 130015 transitions. [2025-04-13 22:40:34,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-13 22:40:34,360 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:34,360 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:34,514 INFO L225 Difference]: With dead ends: 28868 [2025-04-13 22:40:34,514 INFO L226 Difference]: Without dead ends: 28126 [2025-04-13 22:40:34,527 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=411, Invalid=4145, Unknown=0, NotChecked=0, Total=4556 [2025-04-13 22:40:34,528 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 893 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7059 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 7059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:34,528 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 0 Invalid, 7088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 7059 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:40:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28126 states. [2025-04-13 22:40:35,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28126 to 21572. [2025-04-13 22:40:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21572 states, 21571 states have (on average 4.521765333086088) internal successors, (97539), 21571 states have internal predecessors, (97539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21572 states to 21572 states and 97539 transitions. [2025-04-13 22:40:35,185 INFO L79 Accepts]: Start accepts. Automaton has 21572 states and 97539 transitions. Word has length 64 [2025-04-13 22:40:35,185 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:35,185 INFO L485 AbstractCegarLoop]: Abstraction has 21572 states and 97539 transitions. [2025-04-13 22:40:35,185 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:35,185 INFO L278 IsEmpty]: Start isEmpty. Operand 21572 states and 97539 transitions. [2025-04-13 22:40:35,223 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:35,224 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:35,224 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:35,224 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2025-04-13 22:40:35,224 INFO L403 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:35,224 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:35,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1079035848, now seen corresponding path program 190 times [2025-04-13 22:40:35,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:35,224 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444957049] [2025-04-13 22:40:35,224 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:40:35,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:35,228 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:40:35,231 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:35,231 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:40:35,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:35,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:35,499 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444957049] [2025-04-13 22:40:35,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444957049] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:35,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:35,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:35,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631689432] [2025-04-13 22:40:35,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:35,500 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:35,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:35,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:35,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:35,500 INFO L87 Difference]: Start difference. First operand 21572 states and 97539 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:38,211 INFO L93 Difference]: Finished difference Result 28655 states and 128482 transitions. [2025-04-13 22:40:38,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-13 22:40:38,211 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:38,211 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:38,378 INFO L225 Difference]: With dead ends: 28655 [2025-04-13 22:40:38,379 INFO L226 Difference]: Without dead ends: 27983 [2025-04-13 22:40:38,393 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=372, Invalid=3534, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:40:38,393 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 853 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7380 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 7380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:38,393 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 0 Invalid, 7403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 7380 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:40:38,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27983 states. [2025-04-13 22:40:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27983 to 21662. [2025-04-13 22:40:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21662 states, 21661 states have (on average 4.520936244864042) internal successors, (97928), 21661 states have internal predecessors, (97928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21662 states to 21662 states and 97928 transitions. [2025-04-13 22:40:39,105 INFO L79 Accepts]: Start accepts. Automaton has 21662 states and 97928 transitions. Word has length 64 [2025-04-13 22:40:39,105 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:39,105 INFO L485 AbstractCegarLoop]: Abstraction has 21662 states and 97928 transitions. [2025-04-13 22:40:39,105 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:39,106 INFO L278 IsEmpty]: Start isEmpty. Operand 21662 states and 97928 transitions. [2025-04-13 22:40:39,146 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:39,146 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:39,146 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:39,146 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2025-04-13 22:40:39,147 INFO L403 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:39,147 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:39,147 INFO L85 PathProgramCache]: Analyzing trace with hash 240286552, now seen corresponding path program 191 times [2025-04-13 22:40:39,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:39,147 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118266797] [2025-04-13 22:40:39,147 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:40:39,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:39,150 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:39,153 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:39,153 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:40:39,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:39,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:39,349 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118266797] [2025-04-13 22:40:39,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118266797] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:39,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:39,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:39,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698796026] [2025-04-13 22:40:39,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:39,349 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:39,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:39,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:39,349 INFO L87 Difference]: Start difference. First operand 21662 states and 97928 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:42,039 INFO L93 Difference]: Finished difference Result 29489 states and 132286 transitions. [2025-04-13 22:40:42,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-13 22:40:42,039 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:42,039 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:42,216 INFO L225 Difference]: With dead ends: 29489 [2025-04-13 22:40:42,216 INFO L226 Difference]: Without dead ends: 28947 [2025-04-13 22:40:42,230 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=382, Invalid=3778, Unknown=0, NotChecked=0, Total=4160 [2025-04-13 22:40:42,230 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 874 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7470 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 7470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:42,230 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 0 Invalid, 7492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 7470 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:40:42,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28947 states. [2025-04-13 22:40:42,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28947 to 21612. [2025-04-13 22:40:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21612 states, 21611 states have (on average 4.520244320022211) internal successors, (97687), 21611 states have internal predecessors, (97687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21612 states to 21612 states and 97687 transitions. [2025-04-13 22:40:42,794 INFO L79 Accepts]: Start accepts. Automaton has 21612 states and 97687 transitions. Word has length 64 [2025-04-13 22:40:42,794 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:42,794 INFO L485 AbstractCegarLoop]: Abstraction has 21612 states and 97687 transitions. [2025-04-13 22:40:42,794 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:42,794 INFO L278 IsEmpty]: Start isEmpty. Operand 21612 states and 97687 transitions. [2025-04-13 22:40:42,954 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:42,954 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:42,954 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:42,954 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2025-04-13 22:40:42,954 INFO L403 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:42,954 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:42,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1014402342, now seen corresponding path program 192 times [2025-04-13 22:40:42,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:42,954 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764686312] [2025-04-13 22:40:42,955 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:40:42,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:42,958 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:42,961 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:42,961 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:40:42,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:43,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:43,158 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764686312] [2025-04-13 22:40:43,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764686312] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:43,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:43,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:43,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497479089] [2025-04-13 22:40:43,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:43,158 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:43,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:43,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:43,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:43,158 INFO L87 Difference]: Start difference. First operand 21612 states and 97687 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:45,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:45,650 INFO L93 Difference]: Finished difference Result 28531 states and 127579 transitions. [2025-04-13 22:40:45,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-13 22:40:45,650 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:45,650 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:45,934 INFO L225 Difference]: With dead ends: 28531 [2025-04-13 22:40:45,934 INFO L226 Difference]: Without dead ends: 27914 [2025-04-13 22:40:45,941 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1002 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=370, Invalid=3662, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:40:45,941 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 852 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6952 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:45,941 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 0 Invalid, 6974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6952 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:40:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27914 states. [2025-04-13 22:40:46,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27914 to 21592. [2025-04-13 22:40:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21592 states, 21591 states have (on average 4.5205409661433) internal successors, (97603), 21591 states have internal predecessors, (97603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21592 states to 21592 states and 97603 transitions. [2025-04-13 22:40:46,471 INFO L79 Accepts]: Start accepts. Automaton has 21592 states and 97603 transitions. Word has length 64 [2025-04-13 22:40:46,471 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:46,472 INFO L485 AbstractCegarLoop]: Abstraction has 21592 states and 97603 transitions. [2025-04-13 22:40:46,472 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:46,472 INFO L278 IsEmpty]: Start isEmpty. Operand 21592 states and 97603 transitions. [2025-04-13 22:40:46,513 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:46,513 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:46,513 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:46,514 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2025-04-13 22:40:46,514 INFO L403 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:46,514 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1027222400, now seen corresponding path program 193 times [2025-04-13 22:40:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:46,514 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025065032] [2025-04-13 22:40:46,514 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:40:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:46,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:46,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:46,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:40:46,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:46,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:46,726 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025065032] [2025-04-13 22:40:46,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025065032] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:46,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:46,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:40:46,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153639027] [2025-04-13 22:40:46,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:46,727 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:40:46,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:46,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:40:46,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:40:46,727 INFO L87 Difference]: Start difference. First operand 21592 states and 97603 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:49,205 INFO L93 Difference]: Finished difference Result 27953 states and 125374 transitions. [2025-04-13 22:40:49,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-13 22:40:49,205 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:49,205 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:49,367 INFO L225 Difference]: With dead ends: 27953 [2025-04-13 22:40:49,367 INFO L226 Difference]: Without dead ends: 27041 [2025-04-13 22:40:49,383 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=342, Invalid=3440, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:40:49,383 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 805 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6488 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 6488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:49,383 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 0 Invalid, 6511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 6488 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:40:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27041 states. [2025-04-13 22:40:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27041 to 21592. [2025-04-13 22:40:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21592 states, 21591 states have (on average 4.525172525589366) internal successors, (97703), 21591 states have internal predecessors, (97703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21592 states to 21592 states and 97703 transitions. [2025-04-13 22:40:50,116 INFO L79 Accepts]: Start accepts. Automaton has 21592 states and 97703 transitions. Word has length 64 [2025-04-13 22:40:50,117 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:50,117 INFO L485 AbstractCegarLoop]: Abstraction has 21592 states and 97703 transitions. [2025-04-13 22:40:50,117 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:50,117 INFO L278 IsEmpty]: Start isEmpty. Operand 21592 states and 97703 transitions. [2025-04-13 22:40:50,157 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:50,157 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:50,157 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:50,157 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2025-04-13 22:40:50,157 INFO L403 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:50,157 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:50,158 INFO L85 PathProgramCache]: Analyzing trace with hash -799831398, now seen corresponding path program 194 times [2025-04-13 22:40:50,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:50,158 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170544640] [2025-04-13 22:40:50,158 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:40:50,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:50,161 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:50,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:50,164 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:40:50,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:50,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:50,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170544640] [2025-04-13 22:40:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170544640] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:50,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:50,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:50,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051571085] [2025-04-13 22:40:50,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:50,372 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:50,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:50,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:50,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:50,372 INFO L87 Difference]: Start difference. First operand 21592 states and 97703 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:51,974 INFO L93 Difference]: Finished difference Result 23828 states and 107603 transitions. [2025-04-13 22:40:51,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:40:51,975 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:51,975 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:52,135 INFO L225 Difference]: With dead ends: 23828 [2025-04-13 22:40:52,135 INFO L226 Difference]: Without dead ends: 23326 [2025-04-13 22:40:52,144 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=1399, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:40:52,144 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 549 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:52,144 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 0 Invalid, 4335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4331 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:40:52,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23326 states. [2025-04-13 22:40:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23326 to 21742. [2025-04-13 22:40:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21742 states, 21741 states have (on average 4.521227174462997) internal successors, (98296), 21741 states have internal predecessors, (98296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21742 states to 21742 states and 98296 transitions. [2025-04-13 22:40:52,688 INFO L79 Accepts]: Start accepts. Automaton has 21742 states and 98296 transitions. Word has length 64 [2025-04-13 22:40:52,688 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:52,688 INFO L485 AbstractCegarLoop]: Abstraction has 21742 states and 98296 transitions. [2025-04-13 22:40:52,688 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:52,688 INFO L278 IsEmpty]: Start isEmpty. Operand 21742 states and 98296 transitions. [2025-04-13 22:40:52,730 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:52,731 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:52,731 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:52,731 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2025-04-13 22:40:52,731 INFO L403 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:52,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:52,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1174015766, now seen corresponding path program 195 times [2025-04-13 22:40:52,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:52,731 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083037699] [2025-04-13 22:40:52,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:40:52,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:52,735 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:52,737 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:52,737 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:40:52,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:53,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:53,050 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083037699] [2025-04-13 22:40:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083037699] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:53,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:53,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:53,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212142441] [2025-04-13 22:40:53,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:53,050 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:53,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:53,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:53,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:53,050 INFO L87 Difference]: Start difference. First operand 21742 states and 98296 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:54,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:54,548 INFO L93 Difference]: Finished difference Result 23903 states and 107912 transitions. [2025-04-13 22:40:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-13 22:40:54,548 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:54,548 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:54,701 INFO L225 Difference]: With dead ends: 23903 [2025-04-13 22:40:54,701 INFO L226 Difference]: Without dead ends: 23276 [2025-04-13 22:40:54,711 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=1399, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:40:54,711 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 567 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:54,712 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 0 Invalid, 4490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4484 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 22:40:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23276 states. [2025-04-13 22:40:55,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23276 to 21742. [2025-04-13 22:40:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21742 states, 21741 states have (on average 4.521227174462997) internal successors, (98296), 21741 states have internal predecessors, (98296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21742 states to 21742 states and 98296 transitions. [2025-04-13 22:40:55,330 INFO L79 Accepts]: Start accepts. Automaton has 21742 states and 98296 transitions. Word has length 64 [2025-04-13 22:40:55,330 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:55,331 INFO L485 AbstractCegarLoop]: Abstraction has 21742 states and 98296 transitions. [2025-04-13 22:40:55,331 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:55,331 INFO L278 IsEmpty]: Start isEmpty. Operand 21742 states and 98296 transitions. [2025-04-13 22:40:55,372 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:55,372 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:55,372 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:55,372 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2025-04-13 22:40:55,372 INFO L403 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:55,373 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1085843576, now seen corresponding path program 196 times [2025-04-13 22:40:55,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:55,373 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531389490] [2025-04-13 22:40:55,373 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:40:55,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:55,376 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:40:55,379 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:55,379 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:40:55,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:55,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:55,630 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531389490] [2025-04-13 22:40:55,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531389490] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:55,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:55,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:55,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658686955] [2025-04-13 22:40:55,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:55,630 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:55,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:55,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:55,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:55,631 INFO L87 Difference]: Start difference. First operand 21742 states and 98296 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:40:57,284 INFO L93 Difference]: Finished difference Result 23828 states and 107578 transitions. [2025-04-13 22:40:57,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-13 22:40:57,285 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:40:57,285 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:40:57,426 INFO L225 Difference]: With dead ends: 23828 [2025-04-13 22:40:57,426 INFO L226 Difference]: Without dead ends: 22626 [2025-04-13 22:40:57,436 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=1399, Unknown=0, NotChecked=0, Total=1560 [2025-04-13 22:40:57,436 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 496 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4674 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:40:57,436 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 0 Invalid, 4680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 4674 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:40:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22626 states. [2025-04-13 22:40:57,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22626 to 21492. [2025-04-13 22:40:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21492 states, 21491 states have (on average 4.52808152249779) internal successors, (97313), 21491 states have internal predecessors, (97313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21492 states to 21492 states and 97313 transitions. [2025-04-13 22:40:58,136 INFO L79 Accepts]: Start accepts. Automaton has 21492 states and 97313 transitions. Word has length 64 [2025-04-13 22:40:58,136 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:40:58,136 INFO L485 AbstractCegarLoop]: Abstraction has 21492 states and 97313 transitions. [2025-04-13 22:40:58,136 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:40:58,136 INFO L278 IsEmpty]: Start isEmpty. Operand 21492 states and 97313 transitions. [2025-04-13 22:40:58,177 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:40:58,177 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:40:58,177 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:40:58,177 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2025-04-13 22:40:58,178 INFO L403 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:40:58,178 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:40:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash -340665874, now seen corresponding path program 197 times [2025-04-13 22:40:58,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:40:58,178 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508467102] [2025-04-13 22:40:58,178 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:40:58,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:40:58,182 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:40:58,184 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:40:58,184 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:40:58,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:40:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:40:58,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:40:58,380 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508467102] [2025-04-13 22:40:58,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508467102] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:40:58,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:40:58,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:40:58,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079468169] [2025-04-13 22:40:58,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:40:58,380 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:40:58,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:40:58,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:40:58,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:40:58,381 INFO L87 Difference]: Start difference. First operand 21492 states and 97313 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:01,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:01,700 INFO L93 Difference]: Finished difference Result 30127 states and 136375 transitions. [2025-04-13 22:41:01,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-04-13 22:41:01,700 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:01,701 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:01,877 INFO L225 Difference]: With dead ends: 30127 [2025-04-13 22:41:01,877 INFO L226 Difference]: Without dead ends: 29450 [2025-04-13 22:41:01,890 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1830 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=542, Invalid=5620, Unknown=0, NotChecked=0, Total=6162 [2025-04-13 22:41:01,890 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 878 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8476 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 8476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:01,890 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 0 Invalid, 8511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 8476 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-04-13 22:41:01,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29450 states. [2025-04-13 22:41:02,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29450 to 22202. [2025-04-13 22:41:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22202 states, 22201 states have (on average 4.525471825593442) internal successors, (100470), 22201 states have internal predecessors, (100470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22202 states to 22202 states and 100470 transitions. [2025-04-13 22:41:02,601 INFO L79 Accepts]: Start accepts. Automaton has 22202 states and 100470 transitions. Word has length 64 [2025-04-13 22:41:02,602 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:02,602 INFO L485 AbstractCegarLoop]: Abstraction has 22202 states and 100470 transitions. [2025-04-13 22:41:02,602 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:02,602 INFO L278 IsEmpty]: Start isEmpty. Operand 22202 states and 100470 transitions. [2025-04-13 22:41:02,643 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:02,643 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:02,643 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:02,643 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2025-04-13 22:41:02,644 INFO L403 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:02,644 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:02,644 INFO L85 PathProgramCache]: Analyzing trace with hash -186269724, now seen corresponding path program 198 times [2025-04-13 22:41:02,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:02,644 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383322570] [2025-04-13 22:41:02,644 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:41:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:02,647 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:02,650 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:02,650 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:41:02,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:02,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:02,841 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383322570] [2025-04-13 22:41:02,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383322570] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:02,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:02,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:41:02,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112012527] [2025-04-13 22:41:02,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:02,841 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:41:02,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:02,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:41:02,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:41:02,842 INFO L87 Difference]: Start difference. First operand 22202 states and 100470 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:05,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:05,353 INFO L93 Difference]: Finished difference Result 29010 states and 131648 transitions. [2025-04-13 22:41:05,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-13 22:41:05,353 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:05,353 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:05,524 INFO L225 Difference]: With dead ends: 29010 [2025-04-13 22:41:05,524 INFO L226 Difference]: Without dead ends: 28058 [2025-04-13 22:41:05,537 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=395, Invalid=3765, Unknown=0, NotChecked=0, Total=4160 [2025-04-13 22:41:05,538 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 818 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6475 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 6475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:05,538 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 0 Invalid, 6498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 6475 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:41:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28058 states. [2025-04-13 22:41:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28058 to 22452. [2025-04-13 22:41:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22452 states, 22451 states have (on average 4.5220702864014966) internal successors, (101525), 22451 states have internal predecessors, (101525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22452 states to 22452 states and 101525 transitions. [2025-04-13 22:41:06,235 INFO L79 Accepts]: Start accepts. Automaton has 22452 states and 101525 transitions. Word has length 64 [2025-04-13 22:41:06,235 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:06,235 INFO L485 AbstractCegarLoop]: Abstraction has 22452 states and 101525 transitions. [2025-04-13 22:41:06,235 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:06,235 INFO L278 IsEmpty]: Start isEmpty. Operand 22452 states and 101525 transitions. [2025-04-13 22:41:06,277 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:06,277 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:06,277 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:06,277 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2025-04-13 22:41:06,277 INFO L403 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:06,278 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:06,278 INFO L85 PathProgramCache]: Analyzing trace with hash -806079238, now seen corresponding path program 199 times [2025-04-13 22:41:06,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:06,278 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073043218] [2025-04-13 22:41:06,278 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:41:06,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:06,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:06,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:06,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:41:06,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:06,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073043218] [2025-04-13 22:41:06,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073043218] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:06,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:06,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:06,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216704727] [2025-04-13 22:41:06,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:06,501 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:06,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:06,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:06,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:06,502 INFO L87 Difference]: Start difference. First operand 22452 states and 101525 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:09,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:09,412 INFO L93 Difference]: Finished difference Result 28801 states and 130089 transitions. [2025-04-13 22:41:09,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-13 22:41:09,412 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:09,412 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:09,596 INFO L225 Difference]: With dead ends: 28801 [2025-04-13 22:41:09,596 INFO L226 Difference]: Without dead ends: 28379 [2025-04-13 22:41:09,732 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=380, Invalid=4042, Unknown=0, NotChecked=0, Total=4422 [2025-04-13 22:41:09,732 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 771 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6898 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 6898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:09,732 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 0 Invalid, 6924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 6898 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:41:09,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28379 states. [2025-04-13 22:41:10,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28379 to 22912. [2025-04-13 22:41:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22912 states, 22911 states have (on average 4.526079175941687) internal successors, (103697), 22911 states have internal predecessors, (103697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22912 states to 22912 states and 103697 transitions. [2025-04-13 22:41:10,270 INFO L79 Accepts]: Start accepts. Automaton has 22912 states and 103697 transitions. Word has length 64 [2025-04-13 22:41:10,270 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:10,270 INFO L485 AbstractCegarLoop]: Abstraction has 22912 states and 103697 transitions. [2025-04-13 22:41:10,270 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:10,270 INFO L278 IsEmpty]: Start isEmpty. Operand 22912 states and 103697 transitions. [2025-04-13 22:41:10,316 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:10,316 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:10,316 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:10,317 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2025-04-13 22:41:10,317 INFO L403 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:10,317 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:10,317 INFO L85 PathProgramCache]: Analyzing trace with hash -225792382, now seen corresponding path program 200 times [2025-04-13 22:41:10,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:10,317 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762357419] [2025-04-13 22:41:10,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:41:10,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:10,321 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:10,324 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:10,324 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:41:10,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:10,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:10,526 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762357419] [2025-04-13 22:41:10,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762357419] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:10,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:10,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:10,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829366482] [2025-04-13 22:41:10,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:10,527 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:10,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:10,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:10,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:10,527 INFO L87 Difference]: Start difference. First operand 22912 states and 103697 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:13,486 INFO L93 Difference]: Finished difference Result 29493 states and 133028 transitions. [2025-04-13 22:41:13,487 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-04-13 22:41:13,487 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:13,487 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:13,667 INFO L225 Difference]: With dead ends: 29493 [2025-04-13 22:41:13,667 INFO L226 Difference]: Without dead ends: 29051 [2025-04-13 22:41:13,673 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=441, Invalid=4961, Unknown=0, NotChecked=0, Total=5402 [2025-04-13 22:41:13,673 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 808 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7422 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 7422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:13,673 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 0 Invalid, 7452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 7422 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-04-13 22:41:13,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29051 states. [2025-04-13 22:41:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29051 to 23032. [2025-04-13 22:41:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23032 states, 23031 states have (on average 4.526985367548088) internal successors, (104261), 23031 states have internal predecessors, (104261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23032 states to 23032 states and 104261 transitions. [2025-04-13 22:41:14,260 INFO L79 Accepts]: Start accepts. Automaton has 23032 states and 104261 transitions. Word has length 64 [2025-04-13 22:41:14,260 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:14,260 INFO L485 AbstractCegarLoop]: Abstraction has 23032 states and 104261 transitions. [2025-04-13 22:41:14,260 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:14,260 INFO L278 IsEmpty]: Start isEmpty. Operand 23032 states and 104261 transitions. [2025-04-13 22:41:14,302 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:14,303 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:14,303 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:14,303 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2025-04-13 22:41:14,303 INFO L403 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:14,303 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:14,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1935919028, now seen corresponding path program 201 times [2025-04-13 22:41:14,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:14,303 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058697266] [2025-04-13 22:41:14,303 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:41:14,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:14,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:14,309 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:14,309 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:41:14,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:14,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:14,510 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058697266] [2025-04-13 22:41:14,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058697266] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:14,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:14,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:14,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779855598] [2025-04-13 22:41:14,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:14,510 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:14,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:14,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:14,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:14,511 INFO L87 Difference]: Start difference. First operand 23032 states and 104261 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:17,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:17,295 INFO L93 Difference]: Finished difference Result 28489 states and 128896 transitions. [2025-04-13 22:41:17,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-13 22:41:17,295 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:17,295 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:17,468 INFO L225 Difference]: With dead ends: 28489 [2025-04-13 22:41:17,468 INFO L226 Difference]: Without dead ends: 27897 [2025-04-13 22:41:17,481 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=433, Invalid=4679, Unknown=0, NotChecked=0, Total=5112 [2025-04-13 22:41:17,481 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7289 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 7289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:17,481 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 0 Invalid, 7319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 7289 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:41:17,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27897 states. [2025-04-13 22:41:18,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27897 to 23192. [2025-04-13 22:41:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23192 states, 23191 states have (on average 4.521883489284637) internal successors, (104867), 23191 states have internal predecessors, (104867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23192 states to 23192 states and 104867 transitions. [2025-04-13 22:41:18,207 INFO L79 Accepts]: Start accepts. Automaton has 23192 states and 104867 transitions. Word has length 64 [2025-04-13 22:41:18,207 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:18,208 INFO L485 AbstractCegarLoop]: Abstraction has 23192 states and 104867 transitions. [2025-04-13 22:41:18,208 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:18,208 INFO L278 IsEmpty]: Start isEmpty. Operand 23192 states and 104867 transitions. [2025-04-13 22:41:18,251 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:18,252 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:18,252 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:18,252 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2025-04-13 22:41:18,252 INFO L403 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:18,252 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:18,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1703198952, now seen corresponding path program 202 times [2025-04-13 22:41:18,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:18,252 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997918130] [2025-04-13 22:41:18,252 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:41:18,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:18,260 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:41:18,263 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:18,263 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:41:18,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:18,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:18,520 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997918130] [2025-04-13 22:41:18,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997918130] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:18,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:18,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:18,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275936394] [2025-04-13 22:41:18,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:18,520 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:18,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:18,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:18,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:18,521 INFO L87 Difference]: Start difference. First operand 23192 states and 104867 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:21,577 INFO L93 Difference]: Finished difference Result 31315 states and 140691 transitions. [2025-04-13 22:41:21,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-13 22:41:21,577 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:21,577 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:21,779 INFO L225 Difference]: With dead ends: 31315 [2025-04-13 22:41:21,780 INFO L226 Difference]: Without dead ends: 30893 [2025-04-13 22:41:21,794 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1287 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=422, Invalid=4408, Unknown=0, NotChecked=0, Total=4830 [2025-04-13 22:41:21,794 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 848 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7794 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 7794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:21,794 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 0 Invalid, 7825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 7794 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-04-13 22:41:21,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30893 states. [2025-04-13 22:41:22,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30893 to 23312. [2025-04-13 22:41:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23312 states, 23311 states have (on average 4.52365835871477) internal successors, (105451), 23311 states have internal predecessors, (105451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23312 states to 23312 states and 105451 transitions. [2025-04-13 22:41:22,618 INFO L79 Accepts]: Start accepts. Automaton has 23312 states and 105451 transitions. Word has length 64 [2025-04-13 22:41:22,618 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:22,618 INFO L485 AbstractCegarLoop]: Abstraction has 23312 states and 105451 transitions. [2025-04-13 22:41:22,619 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:22,619 INFO L278 IsEmpty]: Start isEmpty. Operand 23312 states and 105451 transitions. [2025-04-13 22:41:22,662 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:22,662 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:22,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:22,662 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2025-04-13 22:41:22,662 INFO L403 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:22,662 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:22,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1652074920, now seen corresponding path program 203 times [2025-04-13 22:41:22,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:22,663 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034236545] [2025-04-13 22:41:22,663 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:41:22,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:22,666 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:22,669 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:22,669 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:41:22,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:22,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:22,867 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034236545] [2025-04-13 22:41:22,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034236545] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:22,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:22,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:22,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940078187] [2025-04-13 22:41:22,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:22,867 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:22,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:22,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:22,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:22,868 INFO L87 Difference]: Start difference. First operand 23312 states and 105451 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:26,003 INFO L93 Difference]: Finished difference Result 31681 states and 142420 transitions. [2025-04-13 22:41:26,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-13 22:41:26,003 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:26,003 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:26,209 INFO L225 Difference]: With dead ends: 31681 [2025-04-13 22:41:26,209 INFO L226 Difference]: Without dead ends: 31239 [2025-04-13 22:41:26,224 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1726 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=497, Invalid=5509, Unknown=0, NotChecked=0, Total=6006 [2025-04-13 22:41:26,224 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 929 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8241 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 8241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:26,224 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 0 Invalid, 8277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 8241 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-04-13 22:41:26,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31239 states. [2025-04-13 22:41:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31239 to 23552. [2025-04-13 22:41:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23552 states, 23551 states have (on average 4.515944121268736) internal successors, (106355), 23551 states have internal predecessors, (106355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23552 states to 23552 states and 106355 transitions. [2025-04-13 22:41:26,996 INFO L79 Accepts]: Start accepts. Automaton has 23552 states and 106355 transitions. Word has length 64 [2025-04-13 22:41:26,997 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:26,997 INFO L485 AbstractCegarLoop]: Abstraction has 23552 states and 106355 transitions. [2025-04-13 22:41:26,997 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:26,997 INFO L278 IsEmpty]: Start isEmpty. Operand 23552 states and 106355 transitions. [2025-04-13 22:41:27,042 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:27,043 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:27,043 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:27,043 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2025-04-13 22:41:27,043 INFO L403 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:27,043 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1767832458, now seen corresponding path program 204 times [2025-04-13 22:41:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:27,043 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004520937] [2025-04-13 22:41:27,043 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:41:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:27,047 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:27,049 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:27,049 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:41:27,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:27,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:27,255 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004520937] [2025-04-13 22:41:27,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004520937] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:27,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:27,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:27,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760086493] [2025-04-13 22:41:27,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:27,256 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:27,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:27,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:27,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:27,256 INFO L87 Difference]: Start difference. First operand 23552 states and 106355 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:30,258 INFO L93 Difference]: Finished difference Result 31735 states and 142308 transitions. [2025-04-13 22:41:30,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-04-13 22:41:30,258 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:30,258 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:30,441 INFO L225 Difference]: With dead ends: 31735 [2025-04-13 22:41:30,441 INFO L226 Difference]: Without dead ends: 30892 [2025-04-13 22:41:30,455 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1604 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=466, Invalid=5234, Unknown=0, NotChecked=0, Total=5700 [2025-04-13 22:41:30,455 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 883 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7890 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 7890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:30,455 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 0 Invalid, 7926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 7890 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-04-13 22:41:30,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30892 states. [2025-04-13 22:41:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30892 to 23702. [2025-04-13 22:41:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23702 states, 23701 states have (on average 4.516265136492131) internal successors, (107040), 23701 states have internal predecessors, (107040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23702 states to 23702 states and 107040 transitions. [2025-04-13 22:41:31,255 INFO L79 Accepts]: Start accepts. Automaton has 23702 states and 107040 transitions. Word has length 64 [2025-04-13 22:41:31,255 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:31,255 INFO L485 AbstractCegarLoop]: Abstraction has 23702 states and 107040 transitions. [2025-04-13 22:41:31,255 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:31,255 INFO L278 IsEmpty]: Start isEmpty. Operand 23702 states and 107040 transitions. [2025-04-13 22:41:31,299 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:31,299 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:31,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:31,299 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2025-04-13 22:41:31,299 INFO L403 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:31,300 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1969080422, now seen corresponding path program 205 times [2025-04-13 22:41:31,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:31,300 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57971364] [2025-04-13 22:41:31,300 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:41:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:31,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:31,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:31,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:41:31,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:31,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:31,510 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57971364] [2025-04-13 22:41:31,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57971364] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:31,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:31,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:31,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494103886] [2025-04-13 22:41:31,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:31,511 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:31,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:31,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:31,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:31,511 INFO L87 Difference]: Start difference. First operand 23702 states and 107040 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:34,623 INFO L93 Difference]: Finished difference Result 31769 states and 142862 transitions. [2025-04-13 22:41:34,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-13 22:41:34,623 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:34,623 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:34,813 INFO L225 Difference]: With dead ends: 31769 [2025-04-13 22:41:34,813 INFO L226 Difference]: Without dead ends: 30251 [2025-04-13 22:41:34,828 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=483, Invalid=5523, Unknown=0, NotChecked=0, Total=6006 [2025-04-13 22:41:34,829 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 917 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7916 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 7916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:34,829 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 0 Invalid, 7955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 7916 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-04-13 22:41:34,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30251 states. [2025-04-13 22:41:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30251 to 23162. [2025-04-13 22:41:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23162 states, 23161 states have (on average 4.517335175510556) internal successors, (104626), 23161 states have internal predecessors, (104626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23162 states to 23162 states and 104626 transitions. [2025-04-13 22:41:35,642 INFO L79 Accepts]: Start accepts. Automaton has 23162 states and 104626 transitions. Word has length 64 [2025-04-13 22:41:35,642 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:35,642 INFO L485 AbstractCegarLoop]: Abstraction has 23162 states and 104626 transitions. [2025-04-13 22:41:35,642 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:35,642 INFO L278 IsEmpty]: Start isEmpty. Operand 23162 states and 104626 transitions. [2025-04-13 22:41:35,689 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:35,689 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:35,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:35,689 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2025-04-13 22:41:35,689 INFO L403 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:35,689 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:35,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1815382372, now seen corresponding path program 206 times [2025-04-13 22:41:35,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:35,689 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023163102] [2025-04-13 22:41:35,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:41:35,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:35,693 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:35,696 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:35,696 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:41:35,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:35,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:35,903 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023163102] [2025-04-13 22:41:35,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023163102] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:35,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:35,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:35,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662243690] [2025-04-13 22:41:35,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:35,903 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:35,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:35,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:35,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:35,903 INFO L87 Difference]: Start difference. First operand 23162 states and 104626 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:38,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:38,441 INFO L93 Difference]: Finished difference Result 29985 states and 134935 transitions. [2025-04-13 22:41:38,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:41:38,441 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:38,441 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:38,656 INFO L225 Difference]: With dead ends: 29985 [2025-04-13 22:41:38,656 INFO L226 Difference]: Without dead ends: 29248 [2025-04-13 22:41:38,670 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=364, Invalid=3418, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:41:38,670 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 792 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6896 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 6896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:38,670 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 0 Invalid, 6919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 6896 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:41:38,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29248 states. [2025-04-13 22:41:39,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29248 to 23152. [2025-04-13 22:41:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23152 states, 23151 states have (on average 4.516392380458727) internal successors, (104559), 23151 states have internal predecessors, (104559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23152 states to 23152 states and 104559 transitions. [2025-04-13 22:41:39,600 INFO L79 Accepts]: Start accepts. Automaton has 23152 states and 104559 transitions. Word has length 64 [2025-04-13 22:41:39,601 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:39,601 INFO L485 AbstractCegarLoop]: Abstraction has 23152 states and 104559 transitions. [2025-04-13 22:41:39,601 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:39,601 INFO L278 IsEmpty]: Start isEmpty. Operand 23152 states and 104559 transitions. [2025-04-13 22:41:39,651 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:39,651 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:39,651 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:39,651 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2025-04-13 22:41:39,651 INFO L403 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:39,651 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:39,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1156724922, now seen corresponding path program 207 times [2025-04-13 22:41:39,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:39,651 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654247280] [2025-04-13 22:41:39,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:41:39,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:39,655 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:39,657 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:39,657 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:41:39,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:39,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:39,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654247280] [2025-04-13 22:41:39,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654247280] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:39,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:39,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:39,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626821923] [2025-04-13 22:41:39,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:39,854 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:39,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:39,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:39,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:39,855 INFO L87 Difference]: Start difference. First operand 23152 states and 104559 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:42,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:42,278 INFO L93 Difference]: Finished difference Result 28822 states and 129889 transitions. [2025-04-13 22:41:42,278 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:41:42,278 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:42,278 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:42,460 INFO L225 Difference]: With dead ends: 28822 [2025-04-13 22:41:42,461 INFO L226 Difference]: Without dead ends: 28065 [2025-04-13 22:41:42,472 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=371, Invalid=3535, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:41:42,473 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 776 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6517 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:42,473 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 0 Invalid, 6538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 6517 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:41:42,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28065 states. [2025-04-13 22:41:42,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28065 to 22792. [2025-04-13 22:41:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22792 states, 22791 states have (on average 4.521390022377254) internal successors, (103047), 22791 states have internal predecessors, (103047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22792 states to 22792 states and 103047 transitions. [2025-04-13 22:41:43,060 INFO L79 Accepts]: Start accepts. Automaton has 22792 states and 103047 transitions. Word has length 64 [2025-04-13 22:41:43,060 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:43,060 INFO L485 AbstractCegarLoop]: Abstraction has 22792 states and 103047 transitions. [2025-04-13 22:41:43,060 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:43,060 INFO L278 IsEmpty]: Start isEmpty. Operand 22792 states and 103047 transitions. [2025-04-13 22:41:43,238 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:43,238 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:43,239 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:43,239 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2025-04-13 22:41:43,239 INFO L403 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:43,239 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:43,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1131633156, now seen corresponding path program 208 times [2025-04-13 22:41:43,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:43,239 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049954226] [2025-04-13 22:41:43,239 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:41:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:43,243 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:41:43,246 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:43,246 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:41:43,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:43,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:43,499 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049954226] [2025-04-13 22:41:43,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049954226] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:43,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:43,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:41:43,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342679791] [2025-04-13 22:41:43,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:43,499 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:41:43,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:43,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:41:43,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:41:43,500 INFO L87 Difference]: Start difference. First operand 22792 states and 103047 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:45,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:45,922 INFO L93 Difference]: Finished difference Result 28975 states and 131302 transitions. [2025-04-13 22:41:45,922 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:41:45,922 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:45,923 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:46,118 INFO L225 Difference]: With dead ends: 28975 [2025-04-13 22:41:46,119 INFO L226 Difference]: Without dead ends: 28148 [2025-04-13 22:41:46,130 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 956 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=369, Invalid=3413, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:41:46,131 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 699 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6297 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:46,131 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 0 Invalid, 6315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6297 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:41:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28148 states. [2025-04-13 22:41:46,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28148 to 23112. [2025-04-13 22:41:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23112 states, 23111 states have (on average 4.523863095495652) internal successors, (104551), 23111 states have internal predecessors, (104551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23112 states to 23112 states and 104551 transitions. [2025-04-13 22:41:46,740 INFO L79 Accepts]: Start accepts. Automaton has 23112 states and 104551 transitions. Word has length 64 [2025-04-13 22:41:46,740 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:46,740 INFO L485 AbstractCegarLoop]: Abstraction has 23112 states and 104551 transitions. [2025-04-13 22:41:46,740 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:46,741 INFO L278 IsEmpty]: Start isEmpty. Operand 23112 states and 104551 transitions. [2025-04-13 22:41:46,785 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:46,785 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:46,785 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:46,785 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2025-04-13 22:41:46,785 INFO L403 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:46,786 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:46,786 INFO L85 PathProgramCache]: Analyzing trace with hash -876131962, now seen corresponding path program 209 times [2025-04-13 22:41:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:46,786 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015196486] [2025-04-13 22:41:46,786 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:41:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:46,789 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:46,792 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:46,792 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:41:46,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:46,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:46,980 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015196486] [2025-04-13 22:41:46,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015196486] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:41:46,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267227362] [2025-04-13 22:41:46,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:46,980 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:41:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:46,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:41:46,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:41:46,981 INFO L87 Difference]: Start difference. First operand 23112 states and 104551 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:49,533 INFO L93 Difference]: Finished difference Result 29765 states and 135078 transitions. [2025-04-13 22:41:49,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-13 22:41:49,533 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:49,533 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:49,756 INFO L225 Difference]: With dead ends: 29765 [2025-04-13 22:41:49,756 INFO L226 Difference]: Without dead ends: 28813 [2025-04-13 22:41:49,773 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=369, Invalid=3413, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:41:49,773 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 722 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6689 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 6689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:49,773 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 0 Invalid, 6708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 6689 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:41:49,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28813 states. [2025-04-13 22:41:50,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28813 to 23452. [2025-04-13 22:41:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23452 states, 23451 states have (on average 4.518314784017739) internal successors, (105959), 23451 states have internal predecessors, (105959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23452 states to 23452 states and 105959 transitions. [2025-04-13 22:41:50,563 INFO L79 Accepts]: Start accepts. Automaton has 23452 states and 105959 transitions. Word has length 64 [2025-04-13 22:41:50,563 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:50,563 INFO L485 AbstractCegarLoop]: Abstraction has 23452 states and 105959 transitions. [2025-04-13 22:41:50,563 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:50,563 INFO L278 IsEmpty]: Start isEmpty. Operand 23452 states and 105959 transitions. [2025-04-13 22:41:50,609 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:50,609 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:50,609 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:50,609 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2025-04-13 22:41:50,609 INFO L403 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:50,609 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:50,609 INFO L85 PathProgramCache]: Analyzing trace with hash 379645146, now seen corresponding path program 210 times [2025-04-13 22:41:50,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:50,610 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490565423] [2025-04-13 22:41:50,610 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:41:50,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:50,613 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:50,615 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:50,616 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:41:50,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:50,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:50,823 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490565423] [2025-04-13 22:41:50,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490565423] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:50,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:50,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:50,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361143645] [2025-04-13 22:41:50,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:50,824 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:50,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:50,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:50,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:50,824 INFO L87 Difference]: Start difference. First operand 23452 states and 105959 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:53,018 INFO L93 Difference]: Finished difference Result 26604 states and 120489 transitions. [2025-04-13 22:41:53,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-13 22:41:53,018 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:53,018 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:53,203 INFO L225 Difference]: With dead ends: 26604 [2025-04-13 22:41:53,203 INFO L226 Difference]: Without dead ends: 26002 [2025-04-13 22:41:53,216 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=288, Invalid=2792, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:41:53,216 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 618 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5554 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 5554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:53,216 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 0 Invalid, 5572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 5554 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:41:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26002 states. [2025-04-13 22:41:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26002 to 23472. [2025-04-13 22:41:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23472 states, 23471 states have (on average 4.518043543095735) internal successors, (106043), 23471 states have internal predecessors, (106043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23472 states to 23472 states and 106043 transitions. [2025-04-13 22:41:53,915 INFO L79 Accepts]: Start accepts. Automaton has 23472 states and 106043 transitions. Word has length 64 [2025-04-13 22:41:53,915 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:53,916 INFO L485 AbstractCegarLoop]: Abstraction has 23472 states and 106043 transitions. [2025-04-13 22:41:53,916 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:53,916 INFO L278 IsEmpty]: Start isEmpty. Operand 23472 states and 106043 transitions. [2025-04-13 22:41:53,960 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:53,960 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:53,960 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:53,960 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2025-04-13 22:41:53,960 INFO L403 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:53,961 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1863864064, now seen corresponding path program 211 times [2025-04-13 22:41:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:53,961 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406480755] [2025-04-13 22:41:53,961 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:41:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:53,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:53,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:53,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:41:53,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:54,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:54,170 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406480755] [2025-04-13 22:41:54,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406480755] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:54,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:54,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:54,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127341783] [2025-04-13 22:41:54,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:54,170 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:54,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:54,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:54,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:54,170 INFO L87 Difference]: Start difference. First operand 23472 states and 106043 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:56,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:41:56,960 INFO L93 Difference]: Finished difference Result 30637 states and 137579 transitions. [2025-04-13 22:41:56,960 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-13 22:41:56,961 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:41:56,961 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:41:57,169 INFO L225 Difference]: With dead ends: 30637 [2025-04-13 22:41:57,169 INFO L226 Difference]: Without dead ends: 29524 [2025-04-13 22:41:57,187 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=391, Invalid=3899, Unknown=0, NotChecked=0, Total=4290 [2025-04-13 22:41:57,187 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 790 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7293 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 7293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:41:57,187 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 0 Invalid, 7320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 7293 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:41:57,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29524 states. [2025-04-13 22:41:57,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29524 to 23632. [2025-04-13 22:41:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23632 states, 23631 states have (on average 4.514028183318522) internal successors, (106671), 23631 states have internal predecessors, (106671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23632 states to 23632 states and 106671 transitions. [2025-04-13 22:41:58,008 INFO L79 Accepts]: Start accepts. Automaton has 23632 states and 106671 transitions. Word has length 64 [2025-04-13 22:41:58,008 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:41:58,008 INFO L485 AbstractCegarLoop]: Abstraction has 23632 states and 106671 transitions. [2025-04-13 22:41:58,008 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:41:58,008 INFO L278 IsEmpty]: Start isEmpty. Operand 23632 states and 106671 transitions. [2025-04-13 22:41:58,053 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:41:58,053 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:41:58,053 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:41:58,053 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2025-04-13 22:41:58,054 INFO L403 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:41:58,054 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:41:58,054 INFO L85 PathProgramCache]: Analyzing trace with hash -783356038, now seen corresponding path program 212 times [2025-04-13 22:41:58,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:41:58,054 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504722381] [2025-04-13 22:41:58,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:41:58,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:41:58,057 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:41:58,060 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:41:58,060 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:41:58,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:41:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:41:58,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:41:58,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504722381] [2025-04-13 22:41:58,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504722381] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:41:58,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:41:58,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:41:58,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762135093] [2025-04-13 22:41:58,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:41:58,262 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:41:58,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:41:58,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:41:58,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:41:58,262 INFO L87 Difference]: Start difference. First operand 23632 states and 106671 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:00,983 INFO L93 Difference]: Finished difference Result 30274 states and 136715 transitions. [2025-04-13 22:42:00,983 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-13 22:42:00,983 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:00,983 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:01,175 INFO L225 Difference]: With dead ends: 30274 [2025-04-13 22:42:01,176 INFO L226 Difference]: Without dead ends: 29532 [2025-04-13 22:42:01,190 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1341 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=428, Invalid=4542, Unknown=0, NotChecked=0, Total=4970 [2025-04-13 22:42:01,190 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 825 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7300 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 7300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:01,190 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 0 Invalid, 7328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 7300 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:42:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29532 states. [2025-04-13 22:42:01,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29532 to 23472. [2025-04-13 22:42:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23472 states, 23471 states have (on average 4.516339312342891) internal successors, (106003), 23471 states have internal predecessors, (106003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23472 states to 23472 states and 106003 transitions. [2025-04-13 22:42:01,950 INFO L79 Accepts]: Start accepts. Automaton has 23472 states and 106003 transitions. Word has length 64 [2025-04-13 22:42:01,951 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:01,951 INFO L485 AbstractCegarLoop]: Abstraction has 23472 states and 106003 transitions. [2025-04-13 22:42:01,951 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:01,951 INFO L278 IsEmpty]: Start isEmpty. Operand 23472 states and 106003 transitions. [2025-04-13 22:42:01,995 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:01,995 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:01,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:01,995 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2025-04-13 22:42:01,995 INFO L403 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:01,996 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1654717260, now seen corresponding path program 213 times [2025-04-13 22:42:01,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:01,996 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593547634] [2025-04-13 22:42:01,996 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:42:01,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:01,999 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:02,002 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:02,002 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:42:02,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:02,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:02,205 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593547634] [2025-04-13 22:42:02,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593547634] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:02,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:02,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:02,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408528326] [2025-04-13 22:42:02,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:02,205 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:02,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:02,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:02,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:02,205 INFO L87 Difference]: Start difference. First operand 23472 states and 106003 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:04,889 INFO L93 Difference]: Finished difference Result 29885 states and 134933 transitions. [2025-04-13 22:42:04,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:42:04,889 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:04,889 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:05,207 INFO L225 Difference]: With dead ends: 29885 [2025-04-13 22:42:05,207 INFO L226 Difference]: Without dead ends: 28753 [2025-04-13 22:42:05,220 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=347, Invalid=3435, Unknown=0, NotChecked=0, Total=3782 [2025-04-13 22:42:05,220 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 799 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7266 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 7266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:05,221 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 0 Invalid, 7296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 7266 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:42:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28753 states. [2025-04-13 22:42:05,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28753 to 23432. [2025-04-13 22:42:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23432 states, 23431 states have (on average 4.514318637702189) internal successors, (105775), 23431 states have internal predecessors, (105775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23432 states to 23432 states and 105775 transitions. [2025-04-13 22:42:05,979 INFO L79 Accepts]: Start accepts. Automaton has 23432 states and 105775 transitions. Word has length 64 [2025-04-13 22:42:05,980 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:05,980 INFO L485 AbstractCegarLoop]: Abstraction has 23432 states and 105775 transitions. [2025-04-13 22:42:05,980 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:05,980 INFO L278 IsEmpty]: Start isEmpty. Operand 23432 states and 105775 transitions. [2025-04-13 22:42:06,028 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:06,029 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:06,029 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:06,029 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2025-04-13 22:42:06,029 INFO L403 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:06,030 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:06,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2061413332, now seen corresponding path program 214 times [2025-04-13 22:42:06,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:06,030 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705848290] [2025-04-13 22:42:06,030 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:42:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:06,035 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:42:06,039 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:06,039 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:42:06,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:06,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:06,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705848290] [2025-04-13 22:42:06,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705848290] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:06,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:06,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:06,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424614302] [2025-04-13 22:42:06,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:06,465 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:06,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:06,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:06,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:06,465 INFO L87 Difference]: Start difference. First operand 23432 states and 105775 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:09,218 INFO L93 Difference]: Finished difference Result 29973 states and 135359 transitions. [2025-04-13 22:42:09,218 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-13 22:42:09,219 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:09,219 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:09,407 INFO L225 Difference]: With dead ends: 29973 [2025-04-13 22:42:09,407 INFO L226 Difference]: Without dead ends: 28961 [2025-04-13 22:42:09,421 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=398, Invalid=4024, Unknown=0, NotChecked=0, Total=4422 [2025-04-13 22:42:09,422 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 846 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7719 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 7719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:09,422 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 0 Invalid, 7751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 7719 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-04-13 22:42:09,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28961 states. [2025-04-13 22:42:09,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28961 to 23052. [2025-04-13 22:42:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23052 states, 23051 states have (on average 4.515162032015964) internal successors, (104079), 23051 states have internal predecessors, (104079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23052 states to 23052 states and 104079 transitions. [2025-04-13 22:42:10,209 INFO L79 Accepts]: Start accepts. Automaton has 23052 states and 104079 transitions. Word has length 64 [2025-04-13 22:42:10,209 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:10,209 INFO L485 AbstractCegarLoop]: Abstraction has 23052 states and 104079 transitions. [2025-04-13 22:42:10,209 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:10,209 INFO L278 IsEmpty]: Start isEmpty. Operand 23052 states and 104079 transitions. [2025-04-13 22:42:10,257 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:10,257 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:10,257 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:10,257 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2025-04-13 22:42:10,257 INFO L403 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:10,257 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 46409156, now seen corresponding path program 215 times [2025-04-13 22:42:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:10,257 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795032904] [2025-04-13 22:42:10,257 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:42:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:10,261 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:10,263 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:10,263 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:42:10,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:10,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:10,481 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795032904] [2025-04-13 22:42:10,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795032904] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:10,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:10,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:10,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102683601] [2025-04-13 22:42:10,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:10,482 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:10,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:10,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:10,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:10,482 INFO L87 Difference]: Start difference. First operand 23052 states and 104079 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:12,181 INFO L93 Difference]: Finished difference Result 25668 states and 116085 transitions. [2025-04-13 22:42:12,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-13 22:42:12,181 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:12,181 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:12,368 INFO L225 Difference]: With dead ends: 25668 [2025-04-13 22:42:12,368 INFO L226 Difference]: Without dead ends: 25126 [2025-04-13 22:42:12,379 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=1479, Unknown=0, NotChecked=0, Total=1640 [2025-04-13 22:42:12,379 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 445 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4611 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:12,380 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 0 Invalid, 4616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4611 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:42:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25126 states. [2025-04-13 22:42:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25126 to 23152. [2025-04-13 22:42:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23152 states, 23151 states have (on average 4.514664593322102) internal successors, (104519), 23151 states have internal predecessors, (104519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23152 states to 23152 states and 104519 transitions. [2025-04-13 22:42:13,234 INFO L79 Accepts]: Start accepts. Automaton has 23152 states and 104519 transitions. Word has length 64 [2025-04-13 22:42:13,235 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:13,235 INFO L485 AbstractCegarLoop]: Abstraction has 23152 states and 104519 transitions. [2025-04-13 22:42:13,235 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:13,235 INFO L278 IsEmpty]: Start isEmpty. Operand 23152 states and 104519 transitions. [2025-04-13 22:42:13,279 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:13,280 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:13,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:13,280 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2025-04-13 22:42:13,280 INFO L403 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:13,280 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:13,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1342917690, now seen corresponding path program 216 times [2025-04-13 22:42:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:13,280 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050736937] [2025-04-13 22:42:13,280 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:42:13,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:13,284 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:13,286 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:13,286 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:42:13,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:13,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:13,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050736937] [2025-04-13 22:42:13,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050736937] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:13,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:13,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:13,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728315683] [2025-04-13 22:42:13,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:13,501 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:13,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:13,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:13,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:13,501 INFO L87 Difference]: Start difference. First operand 23152 states and 104519 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:15,270 INFO L93 Difference]: Finished difference Result 25688 states and 116121 transitions. [2025-04-13 22:42:15,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:42:15,270 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:15,270 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:15,451 INFO L225 Difference]: With dead ends: 25688 [2025-04-13 22:42:15,451 INFO L226 Difference]: Without dead ends: 25086 [2025-04-13 22:42:15,462 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=1553, Unknown=0, NotChecked=0, Total=1722 [2025-04-13 22:42:15,463 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 507 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4693 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:15,463 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 0 Invalid, 4700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4693 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:42:15,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25086 states. [2025-04-13 22:42:15,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25086 to 23112. [2025-04-13 22:42:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23112 states, 23111 states have (on average 4.514343818960668) internal successors, (104331), 23111 states have internal predecessors, (104331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23112 states to 23112 states and 104331 transitions. [2025-04-13 22:42:16,168 INFO L79 Accepts]: Start accepts. Automaton has 23112 states and 104331 transitions. Word has length 64 [2025-04-13 22:42:16,168 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:16,168 INFO L485 AbstractCegarLoop]: Abstraction has 23112 states and 104331 transitions. [2025-04-13 22:42:16,168 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:16,168 INFO L278 IsEmpty]: Start isEmpty. Operand 23112 states and 104331 transitions. [2025-04-13 22:42:16,214 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:16,214 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:16,214 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:16,214 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2025-04-13 22:42:16,214 INFO L403 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:16,214 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:16,215 INFO L85 PathProgramCache]: Analyzing trace with hash 763939106, now seen corresponding path program 217 times [2025-04-13 22:42:16,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:16,215 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500916288] [2025-04-13 22:42:16,215 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:42:16,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:16,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:16,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:16,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:42:16,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:16,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:16,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500916288] [2025-04-13 22:42:16,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500916288] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:16,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:16,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:16,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134986025] [2025-04-13 22:42:16,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:16,434 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:16,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:16,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:16,434 INFO L87 Difference]: Start difference. First operand 23112 states and 104331 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:18,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:18,230 INFO L93 Difference]: Finished difference Result 25768 states and 116421 transitions. [2025-04-13 22:42:18,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-13 22:42:18,230 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:18,230 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:18,407 INFO L225 Difference]: With dead ends: 25768 [2025-04-13 22:42:18,408 INFO L226 Difference]: Without dead ends: 25026 [2025-04-13 22:42:18,418 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=1631, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:42:18,418 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 478 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:18,418 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 0 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:42:18,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25026 states. [2025-04-13 22:42:18,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25026 to 23072. [2025-04-13 22:42:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23072 states, 23071 states have (on average 4.514888821464176) internal successors, (104163), 23071 states have internal predecessors, (104163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23072 states to 23072 states and 104163 transitions. [2025-04-13 22:42:19,162 INFO L79 Accepts]: Start accepts. Automaton has 23072 states and 104163 transitions. Word has length 64 [2025-04-13 22:42:19,162 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:19,162 INFO L485 AbstractCegarLoop]: Abstraction has 23072 states and 104163 transitions. [2025-04-13 22:42:19,162 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:19,162 INFO L278 IsEmpty]: Start isEmpty. Operand 23072 states and 104163 transitions. [2025-04-13 22:42:19,209 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:19,209 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:19,209 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:19,209 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2025-04-13 22:42:19,209 INFO L403 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:19,209 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:19,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1934094446, now seen corresponding path program 218 times [2025-04-13 22:42:19,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:19,209 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674576945] [2025-04-13 22:42:19,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:42:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:19,213 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:19,215 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:19,215 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:42:19,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:19,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:19,411 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674576945] [2025-04-13 22:42:19,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674576945] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:19,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:19,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:19,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179342431] [2025-04-13 22:42:19,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:19,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:19,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:19,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:19,412 INFO L87 Difference]: Start difference. First operand 23072 states and 104163 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:21,161 INFO L93 Difference]: Finished difference Result 25928 states and 117287 transitions. [2025-04-13 22:42:21,162 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:42:21,162 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:21,162 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:21,357 INFO L225 Difference]: With dead ends: 25928 [2025-04-13 22:42:21,357 INFO L226 Difference]: Without dead ends: 25386 [2025-04-13 22:42:21,368 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=1632, Unknown=0, NotChecked=0, Total=1806 [2025-04-13 22:42:21,368 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 517 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4736 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:21,368 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 0 Invalid, 4743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4736 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:42:21,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25386 states. [2025-04-13 22:42:21,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25386 to 23182. [2025-04-13 22:42:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23182 states, 23181 states have (on average 4.512747508735602) internal successors, (104610), 23181 states have internal predecessors, (104610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23182 states to 23182 states and 104610 transitions. [2025-04-13 22:42:22,112 INFO L79 Accepts]: Start accepts. Automaton has 23182 states and 104610 transitions. Word has length 64 [2025-04-13 22:42:22,112 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:22,112 INFO L485 AbstractCegarLoop]: Abstraction has 23182 states and 104610 transitions. [2025-04-13 22:42:22,112 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:22,112 INFO L278 IsEmpty]: Start isEmpty. Operand 23182 states and 104610 transitions. [2025-04-13 22:42:22,327 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:22,327 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:22,327 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:22,327 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2025-04-13 22:42:22,327 INFO L403 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:22,327 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:22,328 INFO L85 PathProgramCache]: Analyzing trace with hash 110446180, now seen corresponding path program 219 times [2025-04-13 22:42:22,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:22,328 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113989987] [2025-04-13 22:42:22,328 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:42:22,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:22,331 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:22,334 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:22,334 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:42:22,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:22,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:22,534 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113989987] [2025-04-13 22:42:22,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113989987] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:22,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:22,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:22,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967258951] [2025-04-13 22:42:22,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:22,535 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:22,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:22,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:22,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:22,535 INFO L87 Difference]: Start difference. First operand 23182 states and 104610 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:24,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:24,275 INFO L93 Difference]: Finished difference Result 25948 states and 117273 transitions. [2025-04-13 22:42:24,275 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-13 22:42:24,275 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:24,275 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:24,464 INFO L225 Difference]: With dead ends: 25948 [2025-04-13 22:42:24,464 INFO L226 Difference]: Without dead ends: 25346 [2025-04-13 22:42:24,474 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=1792, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:42:24,474 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 593 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4815 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:24,474 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 0 Invalid, 4823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 4815 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:42:24,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25346 states. [2025-04-13 22:42:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25346 to 23142. [2025-04-13 22:42:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23142 states, 23141 states have (on average 4.513288103366319) internal successors, (104442), 23141 states have internal predecessors, (104442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23142 states to 23142 states and 104442 transitions. [2025-04-13 22:42:25,059 INFO L79 Accepts]: Start accepts. Automaton has 23142 states and 104442 transitions. Word has length 64 [2025-04-13 22:42:25,059 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:25,059 INFO L485 AbstractCegarLoop]: Abstraction has 23142 states and 104442 transitions. [2025-04-13 22:42:25,059 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:25,059 INFO L278 IsEmpty]: Start isEmpty. Operand 23142 states and 104442 transitions. [2025-04-13 22:42:25,102 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:25,102 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:25,102 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:25,102 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2025-04-13 22:42:25,102 INFO L403 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:25,103 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:25,103 INFO L85 PathProgramCache]: Analyzing trace with hash -35383596, now seen corresponding path program 220 times [2025-04-13 22:42:25,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:25,103 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782545342] [2025-04-13 22:42:25,103 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:42:25,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:25,106 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:42:25,109 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:25,109 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:42:25,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:25,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:25,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782545342] [2025-04-13 22:42:25,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782545342] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:25,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:25,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:25,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54173996] [2025-04-13 22:42:25,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:25,479 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:25,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:25,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:25,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:25,480 INFO L87 Difference]: Start difference. First operand 23142 states and 104442 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:27,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:27,153 INFO L93 Difference]: Finished difference Result 26149 states and 118020 transitions. [2025-04-13 22:42:27,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-13 22:42:27,153 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:27,153 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:27,463 INFO L225 Difference]: With dead ends: 26149 [2025-04-13 22:42:27,463 INFO L226 Difference]: Without dead ends: 25727 [2025-04-13 22:42:27,470 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=2046, Unknown=0, NotChecked=0, Total=2256 [2025-04-13 22:42:27,470 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 602 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4855 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:27,470 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 0 Invalid, 4865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 4855 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:42:27,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25727 states. [2025-04-13 22:42:27,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25727 to 23192. [2025-04-13 22:42:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23192 states, 23191 states have (on average 4.5119658488206635) internal successors, (104637), 23191 states have internal predecessors, (104637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23192 states to 23192 states and 104637 transitions. [2025-04-13 22:42:28,024 INFO L79 Accepts]: Start accepts. Automaton has 23192 states and 104637 transitions. Word has length 64 [2025-04-13 22:42:28,024 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:28,024 INFO L485 AbstractCegarLoop]: Abstraction has 23192 states and 104637 transitions. [2025-04-13 22:42:28,024 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:28,024 INFO L278 IsEmpty]: Start isEmpty. Operand 23192 states and 104637 transitions. [2025-04-13 22:42:28,067 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:28,067 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:28,067 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:28,067 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2025-04-13 22:42:28,067 INFO L403 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:28,067 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:28,067 INFO L85 PathProgramCache]: Analyzing trace with hash -364233214, now seen corresponding path program 221 times [2025-04-13 22:42:28,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:28,067 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866768812] [2025-04-13 22:42:28,067 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:42:28,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:28,071 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:28,073 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:28,073 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:42:28,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:28,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:28,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866768812] [2025-04-13 22:42:28,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866768812] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:28,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:28,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:28,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188957694] [2025-04-13 22:42:28,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:28,277 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:28,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:28,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:28,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:28,278 INFO L87 Difference]: Start difference. First operand 23192 states and 104637 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:30,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:30,024 INFO L93 Difference]: Finished difference Result 25727 states and 116308 transitions. [2025-04-13 22:42:30,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-13 22:42:30,024 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:30,024 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:30,218 INFO L225 Difference]: With dead ends: 25727 [2025-04-13 22:42:30,218 INFO L226 Difference]: Without dead ends: 25200 [2025-04-13 22:42:30,230 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=197, Invalid=1873, Unknown=0, NotChecked=0, Total=2070 [2025-04-13 22:42:30,230 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 534 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4752 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:30,230 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 0 Invalid, 4762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 4752 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:42:30,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25200 states. [2025-04-13 22:42:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25200 to 23092. [2025-04-13 22:42:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23092 states, 23091 states have (on average 4.513749945866355) internal successors, (104227), 23091 states have internal predecessors, (104227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23092 states to 23092 states and 104227 transitions. [2025-04-13 22:42:30,914 INFO L79 Accepts]: Start accepts. Automaton has 23092 states and 104227 transitions. Word has length 64 [2025-04-13 22:42:30,915 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:30,915 INFO L485 AbstractCegarLoop]: Abstraction has 23092 states and 104227 transitions. [2025-04-13 22:42:30,915 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:30,915 INFO L278 IsEmpty]: Start isEmpty. Operand 23092 states and 104227 transitions. [2025-04-13 22:42:30,958 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:30,958 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:30,958 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:30,958 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2025-04-13 22:42:30,958 INFO L403 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:30,958 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:30,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2020578182, now seen corresponding path program 222 times [2025-04-13 22:42:30,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:30,958 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512474235] [2025-04-13 22:42:30,958 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:42:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:30,962 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:30,964 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:30,964 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:42:30,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:31,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:31,164 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512474235] [2025-04-13 22:42:31,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512474235] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:31,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:31,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:31,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609917018] [2025-04-13 22:42:31,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:31,164 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:31,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:31,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:31,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:31,165 INFO L87 Difference]: Start difference. First operand 23092 states and 104227 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:33,202 INFO L93 Difference]: Finished difference Result 26345 states and 118848 transitions. [2025-04-13 22:42:33,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-13 22:42:33,203 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:33,203 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:33,387 INFO L225 Difference]: With dead ends: 26345 [2025-04-13 22:42:33,387 INFO L226 Difference]: Without dead ends: 25783 [2025-04-13 22:42:33,394 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=2137, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:42:33,395 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 703 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5205 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:33,395 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 0 Invalid, 5219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 5205 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:42:33,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25783 states. [2025-04-13 22:42:33,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25783 to 23162. [2025-04-13 22:42:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23162 states, 23161 states have (on average 4.512154052070291) internal successors, (104506), 23161 states have internal predecessors, (104506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23162 states to 23162 states and 104506 transitions. [2025-04-13 22:42:34,075 INFO L79 Accepts]: Start accepts. Automaton has 23162 states and 104506 transitions. Word has length 64 [2025-04-13 22:42:34,076 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:34,076 INFO L485 AbstractCegarLoop]: Abstraction has 23162 states and 104506 transitions. [2025-04-13 22:42:34,076 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:34,076 INFO L278 IsEmpty]: Start isEmpty. Operand 23162 states and 104506 transitions. [2025-04-13 22:42:34,261 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:34,261 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:34,261 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:34,261 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2025-04-13 22:42:34,261 INFO L403 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:34,261 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash -496118652, now seen corresponding path program 223 times [2025-04-13 22:42:34,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:34,262 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34569702] [2025-04-13 22:42:34,262 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:42:34,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:34,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:34,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:34,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:42:34,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:34,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:34,461 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34569702] [2025-04-13 22:42:34,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34569702] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:34,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:34,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:34,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068336411] [2025-04-13 22:42:34,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:34,461 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:34,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:34,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:34,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:34,462 INFO L87 Difference]: Start difference. First operand 23162 states and 104506 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:36,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:36,209 INFO L93 Difference]: Finished difference Result 26274 states and 118498 transitions. [2025-04-13 22:42:36,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-13 22:42:36,209 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:36,209 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:36,538 INFO L225 Difference]: With dead ends: 26274 [2025-04-13 22:42:36,538 INFO L226 Difference]: Without dead ends: 25797 [2025-04-13 22:42:36,545 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=218, Invalid=2134, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:42:36,545 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 649 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4910 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 4910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:36,545 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 0 Invalid, 4922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 4910 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:42:36,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25797 states. [2025-04-13 22:42:36,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25797 to 23112. [2025-04-13 22:42:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23112 states, 23111 states have (on average 4.512613041408853) internal successors, (104291), 23111 states have internal predecessors, (104291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23112 states to 23112 states and 104291 transitions. [2025-04-13 22:42:37,098 INFO L79 Accepts]: Start accepts. Automaton has 23112 states and 104291 transitions. Word has length 64 [2025-04-13 22:42:37,098 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:37,099 INFO L485 AbstractCegarLoop]: Abstraction has 23112 states and 104291 transitions. [2025-04-13 22:42:37,099 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:37,099 INFO L278 IsEmpty]: Start isEmpty. Operand 23112 states and 104291 transitions. [2025-04-13 22:42:37,141 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:37,141 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:37,141 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:37,141 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2025-04-13 22:42:37,141 INFO L403 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:37,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:37,141 INFO L85 PathProgramCache]: Analyzing trace with hash -76198032, now seen corresponding path program 224 times [2025-04-13 22:42:37,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:37,141 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314853030] [2025-04-13 22:42:37,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:42:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:37,145 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:37,147 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:37,147 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:42:37,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:37,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:37,347 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314853030] [2025-04-13 22:42:37,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314853030] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:37,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:37,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:37,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986959028] [2025-04-13 22:42:37,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:37,348 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:37,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:37,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:37,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:37,348 INFO L87 Difference]: Start difference. First operand 23112 states and 104291 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:39,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:39,319 INFO L93 Difference]: Finished difference Result 26525 states and 119584 transitions. [2025-04-13 22:42:39,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-13 22:42:39,319 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:39,319 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:39,501 INFO L225 Difference]: With dead ends: 26525 [2025-04-13 22:42:39,501 INFO L226 Difference]: Without dead ends: 25908 [2025-04-13 22:42:39,514 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=220, Invalid=2132, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 22:42:39,514 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 704 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5405 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:39,514 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 0 Invalid, 5419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 5405 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:42:39,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25908 states. [2025-04-13 22:42:40,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25908 to 23282. [2025-04-13 22:42:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23282 states, 23281 states have (on average 4.515269962630471) internal successors, (105120), 23281 states have internal predecessors, (105120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23282 states to 23282 states and 105120 transitions. [2025-04-13 22:42:40,277 INFO L79 Accepts]: Start accepts. Automaton has 23282 states and 105120 transitions. Word has length 64 [2025-04-13 22:42:40,277 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:40,277 INFO L485 AbstractCegarLoop]: Abstraction has 23282 states and 105120 transitions. [2025-04-13 22:42:40,277 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:40,277 INFO L278 IsEmpty]: Start isEmpty. Operand 23282 states and 105120 transitions. [2025-04-13 22:42:40,322 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:40,322 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:40,322 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:40,322 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2025-04-13 22:42:40,322 INFO L403 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:40,322 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:40,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1144684736, now seen corresponding path program 225 times [2025-04-13 22:42:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:40,323 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304706211] [2025-04-13 22:42:40,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:42:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:40,326 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:40,329 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:40,329 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:42:40,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:40,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:40,538 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304706211] [2025-04-13 22:42:40,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304706211] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:40,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:40,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:40,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941914962] [2025-04-13 22:42:40,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:40,538 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:40,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:40,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:40,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:40,539 INFO L87 Difference]: Start difference. First operand 23282 states and 105120 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:42,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:42,607 INFO L93 Difference]: Finished difference Result 27096 states and 122262 transitions. [2025-04-13 22:42:42,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-13 22:42:42,607 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:42,607 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:42,795 INFO L225 Difference]: With dead ends: 27096 [2025-04-13 22:42:42,795 INFO L226 Difference]: Without dead ends: 26394 [2025-04-13 22:42:42,805 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=244, Invalid=2408, Unknown=0, NotChecked=0, Total=2652 [2025-04-13 22:42:42,805 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 629 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5492 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:42,805 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 0 Invalid, 5504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 5492 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:42:42,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26394 states. [2025-04-13 22:42:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26394 to 23302. [2025-04-13 22:42:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23302 states, 23301 states have (on average 4.514999356250804) internal successors, (105204), 23301 states have internal predecessors, (105204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23302 states to 23302 states and 105204 transitions. [2025-04-13 22:42:43,597 INFO L79 Accepts]: Start accepts. Automaton has 23302 states and 105204 transitions. Word has length 64 [2025-04-13 22:42:43,597 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:43,597 INFO L485 AbstractCegarLoop]: Abstraction has 23302 states and 105204 transitions. [2025-04-13 22:42:43,597 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:43,598 INFO L278 IsEmpty]: Start isEmpty. Operand 23302 states and 105204 transitions. [2025-04-13 22:42:43,649 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:43,649 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:43,649 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:43,649 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2025-04-13 22:42:43,649 INFO L403 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:43,649 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:43,649 INFO L85 PathProgramCache]: Analyzing trace with hash 209010914, now seen corresponding path program 226 times [2025-04-13 22:42:43,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:43,650 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926138582] [2025-04-13 22:42:43,650 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:42:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:43,653 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:42:43,656 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:43,656 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:42:43,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:43,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:43,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926138582] [2025-04-13 22:42:43,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926138582] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:43,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:43,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:43,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360607246] [2025-04-13 22:42:43,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:43,902 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:43,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:43,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:43,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:43,902 INFO L87 Difference]: Start difference. First operand 23302 states and 105204 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:46,100 INFO L93 Difference]: Finished difference Result 27820 states and 125083 transitions. [2025-04-13 22:42:46,100 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:42:46,100 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:46,100 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:46,288 INFO L225 Difference]: With dead ends: 27820 [2025-04-13 22:42:46,288 INFO L226 Difference]: Without dead ends: 27258 [2025-04-13 22:42:46,301 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=2807, Unknown=0, NotChecked=0, Total=3080 [2025-04-13 22:42:46,301 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 704 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5993 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:46,301 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 0 Invalid, 6010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 5993 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:42:46,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27258 states. [2025-04-13 22:42:46,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27258 to 23372. [2025-04-13 22:42:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23372 states, 23371 states have (on average 4.513414060160027) internal successors, (105483), 23371 states have internal predecessors, (105483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23372 states to 23372 states and 105483 transitions. [2025-04-13 22:42:47,114 INFO L79 Accepts]: Start accepts. Automaton has 23372 states and 105483 transitions. Word has length 64 [2025-04-13 22:42:47,114 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:47,114 INFO L485 AbstractCegarLoop]: Abstraction has 23372 states and 105483 transitions. [2025-04-13 22:42:47,115 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:47,115 INFO L278 IsEmpty]: Start isEmpty. Operand 23372 states and 105483 transitions. [2025-04-13 22:42:47,169 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:47,169 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:47,169 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:47,169 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2025-04-13 22:42:47,169 INFO L403 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:47,169 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:47,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1987281376, now seen corresponding path program 227 times [2025-04-13 22:42:47,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:47,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19010444] [2025-04-13 22:42:47,169 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:42:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:47,174 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:47,178 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:47,178 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:42:47,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:47,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:47,453 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19010444] [2025-04-13 22:42:47,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19010444] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:47,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:47,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:47,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82573966] [2025-04-13 22:42:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:47,454 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:47,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:47,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:47,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:47,454 INFO L87 Difference]: Start difference. First operand 23372 states and 105483 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:49,777 INFO L93 Difference]: Finished difference Result 27120 states and 122485 transitions. [2025-04-13 22:42:49,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-13 22:42:49,777 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:49,777 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:49,964 INFO L225 Difference]: With dead ends: 27120 [2025-04-13 22:42:49,964 INFO L226 Difference]: Without dead ends: 26643 [2025-04-13 22:42:49,976 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=2913, Unknown=0, NotChecked=0, Total=3192 [2025-04-13 22:42:49,976 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 693 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5881 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:49,976 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 0 Invalid, 5898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 5881 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:42:50,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26643 states. [2025-04-13 22:42:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26643 to 23322. [2025-04-13 22:42:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23322 states, 23321 states have (on average 4.513871617855152) internal successors, (105268), 23321 states have internal predecessors, (105268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23322 states to 23322 states and 105268 transitions. [2025-04-13 22:42:50,712 INFO L79 Accepts]: Start accepts. Automaton has 23322 states and 105268 transitions. Word has length 64 [2025-04-13 22:42:50,712 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:50,712 INFO L485 AbstractCegarLoop]: Abstraction has 23322 states and 105268 transitions. [2025-04-13 22:42:50,712 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:50,712 INFO L278 IsEmpty]: Start isEmpty. Operand 23322 states and 105268 transitions. [2025-04-13 22:42:50,758 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:50,758 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:50,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:50,758 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2025-04-13 22:42:50,758 INFO L403 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:50,759 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1887765300, now seen corresponding path program 228 times [2025-04-13 22:42:50,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:50,759 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428249865] [2025-04-13 22:42:50,759 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:42:50,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:50,762 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:50,765 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:50,765 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:42:50,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:50,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:50,971 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428249865] [2025-04-13 22:42:50,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428249865] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:50,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:50,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:50,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100535297] [2025-04-13 22:42:50,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:50,971 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:50,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:50,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:50,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:50,971 INFO L87 Difference]: Start difference. First operand 23322 states and 105268 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:53,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:53,264 INFO L93 Difference]: Finished difference Result 27568 states and 124086 transitions. [2025-04-13 22:42:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-13 22:42:53,265 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:53,265 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:53,448 INFO L225 Difference]: With dead ends: 27568 [2025-04-13 22:42:53,448 INFO L226 Difference]: Without dead ends: 26971 [2025-04-13 22:42:53,462 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=3233, Unknown=0, NotChecked=0, Total=3540 [2025-04-13 22:42:53,462 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 800 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6035 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:53,462 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 0 Invalid, 6053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 6035 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-04-13 22:42:53,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26971 states. [2025-04-13 22:42:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26971 to 23302. [2025-04-13 22:42:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23302 states, 23301 states have (on average 4.514141023990387) internal successors, (105184), 23301 states have internal predecessors, (105184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23302 states to 23302 states and 105184 transitions. [2025-04-13 22:42:54,174 INFO L79 Accepts]: Start accepts. Automaton has 23302 states and 105184 transitions. Word has length 64 [2025-04-13 22:42:54,174 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:54,174 INFO L485 AbstractCegarLoop]: Abstraction has 23302 states and 105184 transitions. [2025-04-13 22:42:54,174 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:54,174 INFO L278 IsEmpty]: Start isEmpty. Operand 23302 states and 105184 transitions. [2025-04-13 22:42:54,220 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:54,220 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:54,220 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:54,220 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2025-04-13 22:42:54,220 INFO L403 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:54,221 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:54,221 INFO L85 PathProgramCache]: Analyzing trace with hash 573240436, now seen corresponding path program 229 times [2025-04-13 22:42:54,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:54,221 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105894602] [2025-04-13 22:42:54,221 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:42:54,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:54,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:54,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:54,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:42:54,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:54,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:54,410 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105894602] [2025-04-13 22:42:54,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105894602] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:54,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:54,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:42:54,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934193255] [2025-04-13 22:42:54,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:54,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:42:54,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:54,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:42:54,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:42:54,411 INFO L87 Difference]: Start difference. First operand 23302 states and 105184 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:56,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:56,435 INFO L93 Difference]: Finished difference Result 26334 states and 119096 transitions. [2025-04-13 22:42:56,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-13 22:42:56,436 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:56,436 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:56,627 INFO L225 Difference]: With dead ends: 26334 [2025-04-13 22:42:56,627 INFO L226 Difference]: Without dead ends: 25832 [2025-04-13 22:42:56,639 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=2218, Unknown=0, NotChecked=0, Total=2450 [2025-04-13 22:42:56,639 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 586 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:56,639 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 0 Invalid, 5195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:42:56,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25832 states. [2025-04-13 22:42:57,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25832 to 23302. [2025-04-13 22:42:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23302 states, 23301 states have (on average 4.514141023990387) internal successors, (105184), 23301 states have internal predecessors, (105184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23302 states to 23302 states and 105184 transitions. [2025-04-13 22:42:57,356 INFO L79 Accepts]: Start accepts. Automaton has 23302 states and 105184 transitions. Word has length 64 [2025-04-13 22:42:57,356 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:42:57,356 INFO L485 AbstractCegarLoop]: Abstraction has 23302 states and 105184 transitions. [2025-04-13 22:42:57,356 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:57,356 INFO L278 IsEmpty]: Start isEmpty. Operand 23302 states and 105184 transitions. [2025-04-13 22:42:57,400 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:42:57,400 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:42:57,400 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:42:57,400 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2025-04-13 22:42:57,400 INFO L403 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:42:57,400 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:42:57,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2006570130, now seen corresponding path program 230 times [2025-04-13 22:42:57,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:42:57,401 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781903373] [2025-04-13 22:42:57,401 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:42:57,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:42:57,404 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:42:57,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:42:57,406 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:42:57,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:42:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:42:57,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:42:57,603 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781903373] [2025-04-13 22:42:57,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781903373] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:42:57,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:42:57,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:42:57,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748245112] [2025-04-13 22:42:57,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:42:57,604 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:42:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:42:57,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:42:57,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:42:57,604 INFO L87 Difference]: Start difference. First operand 23302 states and 105184 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:42:59,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:42:59,751 INFO L93 Difference]: Finished difference Result 26259 states and 118762 transitions. [2025-04-13 22:42:59,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-13 22:42:59,752 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:42:59,752 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:42:59,957 INFO L225 Difference]: With dead ends: 26259 [2025-04-13 22:42:59,957 INFO L226 Difference]: Without dead ends: 25592 [2025-04-13 22:42:59,971 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=2510, Unknown=0, NotChecked=0, Total=2756 [2025-04-13 22:42:59,971 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 649 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5835 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:42:59,971 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 0 Invalid, 5850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5835 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 22:43:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25592 states. [2025-04-13 22:43:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25592 to 23262. [2025-04-13 22:43:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23262 states, 23261 states have (on average 4.514681226086583) internal successors, (105016), 23261 states have internal predecessors, (105016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23262 states to 23262 states and 105016 transitions. [2025-04-13 22:43:00,720 INFO L79 Accepts]: Start accepts. Automaton has 23262 states and 105016 transitions. Word has length 64 [2025-04-13 22:43:00,720 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:00,720 INFO L485 AbstractCegarLoop]: Abstraction has 23262 states and 105016 transitions. [2025-04-13 22:43:00,721 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:00,721 INFO L278 IsEmpty]: Start isEmpty. Operand 23262 states and 105016 transitions. [2025-04-13 22:43:00,765 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:00,765 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:00,765 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:00,765 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2025-04-13 22:43:00,765 INFO L403 AbstractCegarLoop]: === Iteration 231 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:00,765 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:00,765 INFO L85 PathProgramCache]: Analyzing trace with hash -230033770, now seen corresponding path program 231 times [2025-04-13 22:43:00,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:00,766 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879155765] [2025-04-13 22:43:00,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:43:00,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:00,769 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:00,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:00,772 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:43:00,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:00,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:00,980 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879155765] [2025-04-13 22:43:00,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879155765] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:00,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:00,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:00,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534383171] [2025-04-13 22:43:00,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:00,981 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:00,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:00,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:00,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:00,981 INFO L87 Difference]: Start difference. First operand 23262 states and 105016 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:02,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:02,885 INFO L93 Difference]: Finished difference Result 25728 states and 116307 transitions. [2025-04-13 22:43:02,886 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-13 22:43:02,886 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:02,886 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:03,082 INFO L225 Difference]: With dead ends: 25728 [2025-04-13 22:43:03,082 INFO L226 Difference]: Without dead ends: 25186 [2025-04-13 22:43:03,094 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=1708, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 22:43:03,094 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 530 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:03,094 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 0 Invalid, 4810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:43:03,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25186 states. [2025-04-13 22:43:03,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25186 to 23302. [2025-04-13 22:43:03,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23302 states, 23301 states have (on average 4.511136861078923) internal successors, (105114), 23301 states have internal predecessors, (105114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23302 states to 23302 states and 105114 transitions. [2025-04-13 22:43:03,898 INFO L79 Accepts]: Start accepts. Automaton has 23302 states and 105114 transitions. Word has length 64 [2025-04-13 22:43:03,899 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:03,899 INFO L485 AbstractCegarLoop]: Abstraction has 23302 states and 105114 transitions. [2025-04-13 22:43:03,899 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:03,899 INFO L278 IsEmpty]: Start isEmpty. Operand 23302 states and 105114 transitions. [2025-04-13 22:43:03,947 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:03,947 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:03,947 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:03,947 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2025-04-13 22:43:03,947 INFO L403 AbstractCegarLoop]: === Iteration 232 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:03,948 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:03,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1619360616, now seen corresponding path program 232 times [2025-04-13 22:43:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:03,948 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331254549] [2025-04-13 22:43:03,948 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:43:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:03,951 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:43:03,954 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:03,954 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:43:03,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:04,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:04,212 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331254549] [2025-04-13 22:43:04,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331254549] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:04,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:04,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:04,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202812287] [2025-04-13 22:43:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:04,213 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:04,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:04,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:04,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:04,213 INFO L87 Difference]: Start difference. First operand 23302 states and 105114 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:06,051 INFO L93 Difference]: Finished difference Result 25748 states and 116293 transitions. [2025-04-13 22:43:06,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:43:06,052 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:06,052 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:06,230 INFO L225 Difference]: With dead ends: 25748 [2025-04-13 22:43:06,230 INFO L226 Difference]: Without dead ends: 25146 [2025-04-13 22:43:06,242 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=1790, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:43:06,242 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 568 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4886 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:06,242 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 0 Invalid, 4896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 4886 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:43:06,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25146 states. [2025-04-13 22:43:06,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25146 to 23262. [2025-04-13 22:43:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23262 states, 23261 states have (on average 4.511671897166932) internal successors, (104946), 23261 states have internal predecessors, (104946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23262 states to 23262 states and 104946 transitions. [2025-04-13 22:43:06,985 INFO L79 Accepts]: Start accepts. Automaton has 23262 states and 104946 transitions. Word has length 64 [2025-04-13 22:43:06,985 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:06,985 INFO L485 AbstractCegarLoop]: Abstraction has 23262 states and 104946 transitions. [2025-04-13 22:43:06,985 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:06,986 INFO L278 IsEmpty]: Start isEmpty. Operand 23262 states and 104946 transitions. [2025-04-13 22:43:07,032 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:07,032 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:07,032 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:07,033 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2025-04-13 22:43:07,033 INFO L403 AbstractCegarLoop]: === Iteration 233 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:07,033 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:07,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1368620394, now seen corresponding path program 233 times [2025-04-13 22:43:07,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:07,033 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925169154] [2025-04-13 22:43:07,033 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:43:07,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:07,036 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:07,039 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:07,039 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:43:07,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:07,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:07,236 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925169154] [2025-04-13 22:43:07,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925169154] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:07,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:07,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:07,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080978516] [2025-04-13 22:43:07,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:07,236 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:07,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:07,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:07,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:07,236 INFO L87 Difference]: Start difference. First operand 23262 states and 104946 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:09,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:09,080 INFO L93 Difference]: Finished difference Result 25682 states and 116024 transitions. [2025-04-13 22:43:09,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-13 22:43:09,081 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:09,081 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:09,366 INFO L225 Difference]: With dead ends: 25682 [2025-04-13 22:43:09,366 INFO L226 Difference]: Without dead ends: 25110 [2025-04-13 22:43:09,374 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=1951, Unknown=0, NotChecked=0, Total=2162 [2025-04-13 22:43:09,375 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 591 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4695 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:09,375 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 0 Invalid, 4708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4695 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-04-13 22:43:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25110 states. [2025-04-13 22:43:09,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25110 to 23162. [2025-04-13 22:43:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23162 states, 23161 states have (on average 4.510427010923535) internal successors, (104466), 23161 states have internal predecessors, (104466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23162 states to 23162 states and 104466 transitions. [2025-04-13 22:43:10,073 INFO L79 Accepts]: Start accepts. Automaton has 23162 states and 104466 transitions. Word has length 64 [2025-04-13 22:43:10,073 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:10,073 INFO L485 AbstractCegarLoop]: Abstraction has 23162 states and 104466 transitions. [2025-04-13 22:43:10,073 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:10,074 INFO L278 IsEmpty]: Start isEmpty. Operand 23162 states and 104466 transitions. [2025-04-13 22:43:10,118 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:10,118 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:10,118 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:10,118 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2025-04-13 22:43:10,118 INFO L403 AbstractCegarLoop]: === Iteration 234 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:10,119 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:10,119 INFO L85 PathProgramCache]: Analyzing trace with hash -572550470, now seen corresponding path program 234 times [2025-04-13 22:43:10,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:10,119 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206590755] [2025-04-13 22:43:10,119 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:43:10,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:10,123 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:10,126 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:10,126 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:43:10,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:10,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:10,466 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206590755] [2025-04-13 22:43:10,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206590755] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:10,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978590789] [2025-04-13 22:43:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:10,466 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:10,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:10,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:10,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:10,467 INFO L87 Difference]: Start difference. First operand 23162 states and 104466 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:12,264 INFO L93 Difference]: Finished difference Result 25658 states and 115840 transitions. [2025-04-13 22:43:12,265 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-13 22:43:12,265 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:12,265 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:12,452 INFO L225 Difference]: With dead ends: 25658 [2025-04-13 22:43:12,452 INFO L226 Difference]: Without dead ends: 25006 [2025-04-13 22:43:12,462 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=1868, Unknown=0, NotChecked=0, Total=2070 [2025-04-13 22:43:12,462 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 629 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4807 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 4807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:12,462 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 0 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 4807 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 22:43:12,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25006 states. [2025-04-13 22:43:12,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25006 to 23122. [2025-04-13 22:43:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23122 states, 23121 states have (on average 4.51009904415899) internal successors, (104278), 23121 states have internal predecessors, (104278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23122 states to 23122 states and 104278 transitions. [2025-04-13 22:43:13,213 INFO L79 Accepts]: Start accepts. Automaton has 23122 states and 104278 transitions. Word has length 64 [2025-04-13 22:43:13,213 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:13,213 INFO L485 AbstractCegarLoop]: Abstraction has 23122 states and 104278 transitions. [2025-04-13 22:43:13,213 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:13,213 INFO L278 IsEmpty]: Start isEmpty. Operand 23122 states and 104278 transitions. [2025-04-13 22:43:13,418 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:13,418 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:13,418 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:13,418 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2025-04-13 22:43:13,418 INFO L403 AbstractCegarLoop]: === Iteration 235 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:13,419 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:13,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1475628072, now seen corresponding path program 235 times [2025-04-13 22:43:13,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:13,419 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313929693] [2025-04-13 22:43:13,419 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:43:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:13,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:13,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:13,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:43:13,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:13,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:13,614 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313929693] [2025-04-13 22:43:13,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313929693] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:13,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:13,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:43:13,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886100520] [2025-04-13 22:43:13,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:13,614 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:43:13,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:13,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:43:13,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:43:13,615 INFO L87 Difference]: Start difference. First operand 23122 states and 104278 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:15,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:15,296 INFO L93 Difference]: Finished difference Result 25386 states and 114654 transitions. [2025-04-13 22:43:15,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-13 22:43:15,296 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:15,296 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:15,488 INFO L225 Difference]: With dead ends: 25386 [2025-04-13 22:43:15,488 INFO L226 Difference]: Without dead ends: 24814 [2025-04-13 22:43:15,498 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=1858, Unknown=0, NotChecked=0, Total=2070 [2025-04-13 22:43:15,498 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 517 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4324 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 4324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:15,498 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 0 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 4324 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:43:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24814 states. [2025-04-13 22:43:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24814 to 22972. [2025-04-13 22:43:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22972 states, 22971 states have (on average 4.515388968699665) internal successors, (103723), 22971 states have internal predecessors, (103723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22972 states to 22972 states and 103723 transitions. [2025-04-13 22:43:16,090 INFO L79 Accepts]: Start accepts. Automaton has 22972 states and 103723 transitions. Word has length 64 [2025-04-13 22:43:16,090 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:16,090 INFO L485 AbstractCegarLoop]: Abstraction has 22972 states and 103723 transitions. [2025-04-13 22:43:16,090 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:16,091 INFO L278 IsEmpty]: Start isEmpty. Operand 22972 states and 103723 transitions. [2025-04-13 22:43:16,273 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:16,273 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:16,273 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:16,274 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2025-04-13 22:43:16,274 INFO L403 AbstractCegarLoop]: === Iteration 236 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:16,274 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:16,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1134463586, now seen corresponding path program 236 times [2025-04-13 22:43:16,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:16,274 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224735694] [2025-04-13 22:43:16,274 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:43:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:16,277 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:16,280 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:16,280 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:43:16,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:16,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:16,475 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224735694] [2025-04-13 22:43:16,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224735694] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:16,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:16,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:16,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145732943] [2025-04-13 22:43:16,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:16,475 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:16,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:16,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:16,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:16,475 INFO L87 Difference]: Start difference. First operand 22972 states and 103723 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:18,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:18,243 INFO L93 Difference]: Finished difference Result 25048 states and 113241 transitions. [2025-04-13 22:43:18,243 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-13 22:43:18,243 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:18,243 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:18,440 INFO L225 Difference]: With dead ends: 25048 [2025-04-13 22:43:18,441 INFO L226 Difference]: Without dead ends: 24306 [2025-04-13 22:43:18,449 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=1782, Unknown=0, NotChecked=0, Total=1980 [2025-04-13 22:43:18,449 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 566 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4553 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:18,449 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 0 Invalid, 4564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 4553 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-04-13 22:43:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24306 states. [2025-04-13 22:43:18,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24306 to 22832. [2025-04-13 22:43:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22832 states, 22831 states have (on average 4.519074941964872) internal successors, (103175), 22831 states have internal predecessors, (103175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22832 states to 22832 states and 103175 transitions. [2025-04-13 22:43:19,034 INFO L79 Accepts]: Start accepts. Automaton has 22832 states and 103175 transitions. Word has length 64 [2025-04-13 22:43:19,034 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:19,034 INFO L485 AbstractCegarLoop]: Abstraction has 22832 states and 103175 transitions. [2025-04-13 22:43:19,034 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:19,034 INFO L278 IsEmpty]: Start isEmpty. Operand 22832 states and 103175 transitions. [2025-04-13 22:43:19,078 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:19,078 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:19,078 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:19,078 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2025-04-13 22:43:19,078 INFO L403 AbstractCegarLoop]: === Iteration 237 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:19,078 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:19,078 INFO L85 PathProgramCache]: Analyzing trace with hash -561285040, now seen corresponding path program 237 times [2025-04-13 22:43:19,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:19,078 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233138343] [2025-04-13 22:43:19,079 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:43:19,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:19,082 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:19,084 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:19,084 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:43:19,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:19,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:19,388 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233138343] [2025-04-13 22:43:19,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233138343] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:19,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:19,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:43:19,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546036426] [2025-04-13 22:43:19,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:19,389 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:43:19,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:19,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:43:19,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:43:19,389 INFO L87 Difference]: Start difference. First operand 22832 states and 103175 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:22,673 INFO L93 Difference]: Finished difference Result 31297 states and 140710 transitions. [2025-04-13 22:43:22,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-13 22:43:22,674 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:22,674 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:22,883 INFO L225 Difference]: With dead ends: 31297 [2025-04-13 22:43:22,883 INFO L226 Difference]: Without dead ends: 30670 [2025-04-13 22:43:22,894 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=572, Invalid=6070, Unknown=0, NotChecked=0, Total=6642 [2025-04-13 22:43:22,894 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 920 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8312 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 8312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:22,894 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 0 Invalid, 8344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 8312 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-04-13 22:43:22,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30670 states. [2025-04-13 22:43:23,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30670 to 23092. [2025-04-13 22:43:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23092 states, 23091 states have (on average 4.519812914122386) internal successors, (104367), 23091 states have internal predecessors, (104367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23092 states to 23092 states and 104367 transitions. [2025-04-13 22:43:23,557 INFO L79 Accepts]: Start accepts. Automaton has 23092 states and 104367 transitions. Word has length 64 [2025-04-13 22:43:23,558 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:23,558 INFO L485 AbstractCegarLoop]: Abstraction has 23092 states and 104367 transitions. [2025-04-13 22:43:23,558 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:23,558 INFO L278 IsEmpty]: Start isEmpty. Operand 23092 states and 104367 transitions. [2025-04-13 22:43:23,603 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:23,603 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:23,603 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:23,603 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2025-04-13 22:43:23,603 INFO L403 AbstractCegarLoop]: === Iteration 238 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:23,604 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1747890746, now seen corresponding path program 238 times [2025-04-13 22:43:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:23,604 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031093457] [2025-04-13 22:43:23,604 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:43:23,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:23,607 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:43:23,610 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:23,610 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:43:23,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:23,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:23,968 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031093457] [2025-04-13 22:43:23,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031093457] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:23,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:23,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:43:23,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227906208] [2025-04-13 22:43:23,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:23,968 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:43:23,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:23,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:43:23,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:43:23,969 INFO L87 Difference]: Start difference. First operand 23092 states and 104367 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:26,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:26,611 INFO L93 Difference]: Finished difference Result 29820 states and 134653 transitions. [2025-04-13 22:43:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-13 22:43:26,612 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:26,612 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:26,821 INFO L225 Difference]: With dead ends: 29820 [2025-04-13 22:43:26,821 INFO L226 Difference]: Without dead ends: 28868 [2025-04-13 22:43:26,834 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=421, Invalid=4135, Unknown=0, NotChecked=0, Total=4556 [2025-04-13 22:43:26,834 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 860 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6698 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:26,834 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 0 Invalid, 6723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 6698 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:43:26,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28868 states. [2025-04-13 22:43:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28868 to 23542. [2025-04-13 22:43:27,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23542 states, 23541 states have (on average 4.5111082791725075) internal successors, (106196), 23541 states have internal predecessors, (106196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23542 states to 23542 states and 106196 transitions. [2025-04-13 22:43:27,491 INFO L79 Accepts]: Start accepts. Automaton has 23542 states and 106196 transitions. Word has length 64 [2025-04-13 22:43:27,491 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:27,491 INFO L485 AbstractCegarLoop]: Abstraction has 23542 states and 106196 transitions. [2025-04-13 22:43:27,491 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:27,491 INFO L278 IsEmpty]: Start isEmpty. Operand 23542 states and 106196 transitions. [2025-04-13 22:43:27,538 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:27,538 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:27,538 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:27,538 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2025-04-13 22:43:27,538 INFO L403 AbstractCegarLoop]: === Iteration 239 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:27,538 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:27,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1026698404, now seen corresponding path program 239 times [2025-04-13 22:43:27,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:27,538 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100293488] [2025-04-13 22:43:27,538 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:43:27,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:27,542 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:27,544 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:27,544 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:43:27,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:27,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:27,750 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100293488] [2025-04-13 22:43:27,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100293488] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:27,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:27,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:27,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542318995] [2025-04-13 22:43:27,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:27,751 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:27,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:27,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:27,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:27,751 INFO L87 Difference]: Start difference. First operand 23542 states and 106196 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:30,319 INFO L93 Difference]: Finished difference Result 29391 states and 131825 transitions. [2025-04-13 22:43:30,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-13 22:43:30,319 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:30,319 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:30,681 INFO L225 Difference]: With dead ends: 29391 [2025-04-13 22:43:30,681 INFO L226 Difference]: Without dead ends: 28969 [2025-04-13 22:43:30,688 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=370, Invalid=3662, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:43:30,688 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 762 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6681 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:30,688 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 0 Invalid, 6705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6681 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:43:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28969 states. [2025-04-13 22:43:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28969 to 23722. [2025-04-13 22:43:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23722 states, 23721 states have (on average 4.512963197167067) internal successors, (107052), 23721 states have internal predecessors, (107052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23722 states to 23722 states and 107052 transitions. [2025-04-13 22:43:31,324 INFO L79 Accepts]: Start accepts. Automaton has 23722 states and 107052 transitions. Word has length 64 [2025-04-13 22:43:31,324 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:31,324 INFO L485 AbstractCegarLoop]: Abstraction has 23722 states and 107052 transitions. [2025-04-13 22:43:31,324 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:31,324 INFO L278 IsEmpty]: Start isEmpty. Operand 23722 states and 107052 transitions. [2025-04-13 22:43:31,373 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:31,373 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:31,373 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:31,374 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2025-04-13 22:43:31,374 INFO L403 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:31,374 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:31,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1787413404, now seen corresponding path program 240 times [2025-04-13 22:43:31,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:31,374 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870473870] [2025-04-13 22:43:31,374 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:43:31,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:31,378 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:31,381 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:31,381 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:43:31,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:31,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:31,588 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870473870] [2025-04-13 22:43:31,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870473870] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:31,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:31,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:31,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978588242] [2025-04-13 22:43:31,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:31,589 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:31,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:31,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:31,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:31,589 INFO L87 Difference]: Start difference. First operand 23722 states and 107052 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:34,675 INFO L93 Difference]: Finished difference Result 30153 states and 134952 transitions. [2025-04-13 22:43:34,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-13 22:43:34,675 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:34,675 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:34,874 INFO L225 Difference]: With dead ends: 30153 [2025-04-13 22:43:34,875 INFO L226 Difference]: Without dead ends: 29711 [2025-04-13 22:43:34,884 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=407, Invalid=4423, Unknown=0, NotChecked=0, Total=4830 [2025-04-13 22:43:34,885 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 858 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7286 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 7286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:34,885 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 0 Invalid, 7313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 7286 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-04-13 22:43:34,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29711 states. [2025-04-13 22:43:35,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29711 to 23922. [2025-04-13 22:43:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23922 states, 23921 states have (on average 4.512854813761966) internal successors, (107952), 23921 states have internal predecessors, (107952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:35,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23922 states to 23922 states and 107952 transitions. [2025-04-13 22:43:35,666 INFO L79 Accepts]: Start accepts. Automaton has 23922 states and 107952 transitions. Word has length 64 [2025-04-13 22:43:35,666 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:35,667 INFO L485 AbstractCegarLoop]: Abstraction has 23922 states and 107952 transitions. [2025-04-13 22:43:35,667 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:35,667 INFO L278 IsEmpty]: Start isEmpty. Operand 23922 states and 107952 transitions. [2025-04-13 22:43:35,714 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:35,714 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:35,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:35,714 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2025-04-13 22:43:35,714 INFO L403 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:35,714 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:35,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2138429102, now seen corresponding path program 241 times [2025-04-13 22:43:35,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:35,714 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390858075] [2025-04-13 22:43:35,714 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:43:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:35,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:35,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:35,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:43:35,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:35,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:35,926 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390858075] [2025-04-13 22:43:35,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390858075] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:35,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:35,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:35,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107565875] [2025-04-13 22:43:35,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:35,926 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:35,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:35,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:35,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:35,927 INFO L87 Difference]: Start difference. First operand 23922 states and 107952 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:38,901 INFO L93 Difference]: Finished difference Result 29979 states and 134613 transitions. [2025-04-13 22:43:38,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-13 22:43:38,901 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:38,901 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:39,104 INFO L225 Difference]: With dead ends: 29979 [2025-04-13 22:43:39,105 INFO L226 Difference]: Without dead ends: 29187 [2025-04-13 22:43:39,118 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=459, Invalid=5091, Unknown=0, NotChecked=0, Total=5550 [2025-04-13 22:43:39,118 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 918 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7159 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 7159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:39,118 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 0 Invalid, 7193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 7159 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-04-13 22:43:39,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29187 states. [2025-04-13 22:43:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29187 to 23602. [2025-04-13 22:43:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23602 states, 23601 states have (on average 4.518198381424516) internal successors, (106634), 23601 states have internal predecessors, (106634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23602 states to 23602 states and 106634 transitions. [2025-04-13 22:43:39,757 INFO L79 Accepts]: Start accepts. Automaton has 23602 states and 106634 transitions. Word has length 64 [2025-04-13 22:43:39,757 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:39,757 INFO L485 AbstractCegarLoop]: Abstraction has 23602 states and 106634 transitions. [2025-04-13 22:43:39,757 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:39,757 INFO L278 IsEmpty]: Start isEmpty. Operand 23602 states and 106634 transitions. [2025-04-13 22:43:39,801 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:39,801 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:39,801 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:39,801 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2025-04-13 22:43:39,801 INFO L403 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:39,802 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:39,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1030147322, now seen corresponding path program 242 times [2025-04-13 22:43:39,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:39,802 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006096177] [2025-04-13 22:43:39,802 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:43:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:39,805 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:39,808 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:39,808 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:43:39,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:40,008 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006096177] [2025-04-13 22:43:40,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006096177] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:40,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323986194] [2025-04-13 22:43:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:40,008 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:40,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:40,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:40,009 INFO L87 Difference]: Start difference. First operand 23602 states and 106634 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:42,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:42,960 INFO L93 Difference]: Finished difference Result 31195 states and 139616 transitions. [2025-04-13 22:43:42,960 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-13 22:43:42,960 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:42,960 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:43,329 INFO L225 Difference]: With dead ends: 31195 [2025-04-13 22:43:43,329 INFO L226 Difference]: Without dead ends: 30773 [2025-04-13 22:43:43,337 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1234 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=434, Invalid=4258, Unknown=0, NotChecked=0, Total=4692 [2025-04-13 22:43:43,337 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 859 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7380 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 7380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:43,337 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 0 Invalid, 7409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 7380 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:43:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30773 states. [2025-04-13 22:43:43,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30773 to 23642. [2025-04-13 22:43:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23642 states, 23641 states have (on average 4.519351973266782) internal successors, (106842), 23641 states have internal predecessors, (106842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23642 states to 23642 states and 106842 transitions. [2025-04-13 22:43:43,981 INFO L79 Accepts]: Start accepts. Automaton has 23642 states and 106842 transitions. Word has length 64 [2025-04-13 22:43:43,981 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:43,981 INFO L485 AbstractCegarLoop]: Abstraction has 23642 states and 106842 transitions. [2025-04-13 22:43:43,982 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:43,982 INFO L278 IsEmpty]: Start isEmpty. Operand 23642 states and 106842 transitions. [2025-04-13 22:43:44,028 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:44,028 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:44,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:44,028 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2025-04-13 22:43:44,029 INFO L403 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:44,029 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1431455754, now seen corresponding path program 243 times [2025-04-13 22:43:44,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:44,029 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595598742] [2025-04-13 22:43:44,029 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:43:44,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:44,032 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:44,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:44,035 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:43:44,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:44,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:44,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595598742] [2025-04-13 22:43:44,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595598742] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:44,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:44,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:44,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940211409] [2025-04-13 22:43:44,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:44,234 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:44,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:44,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:44,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:44,235 INFO L87 Difference]: Start difference. First operand 23642 states and 106842 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:47,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:47,677 INFO L93 Difference]: Finished difference Result 31871 states and 142629 transitions. [2025-04-13 22:43:47,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-13 22:43:47,678 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:47,678 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:47,903 INFO L225 Difference]: With dead ends: 31871 [2025-04-13 22:43:47,903 INFO L226 Difference]: Without dead ends: 31429 [2025-04-13 22:43:47,914 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1786 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=513, Invalid=5649, Unknown=0, NotChecked=0, Total=6162 [2025-04-13 22:43:47,914 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 993 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8361 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 8361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:47,914 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 0 Invalid, 8396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 8361 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-04-13 22:43:47,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31429 states. [2025-04-13 22:43:48,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31429 to 23422. [2025-04-13 22:43:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23422 states, 23421 states have (on average 4.513470816788352) internal successors, (105710), 23421 states have internal predecessors, (105710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23422 states to 23422 states and 105710 transitions. [2025-04-13 22:43:48,607 INFO L79 Accepts]: Start accepts. Automaton has 23422 states and 105710 transitions. Word has length 64 [2025-04-13 22:43:48,607 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:48,607 INFO L485 AbstractCegarLoop]: Abstraction has 23422 states and 105710 transitions. [2025-04-13 22:43:48,607 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:48,607 INFO L278 IsEmpty]: Start isEmpty. Operand 23422 states and 105710 transitions. [2025-04-13 22:43:48,654 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:48,655 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:48,655 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:48,655 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2025-04-13 22:43:48,655 INFO L403 AbstractCegarLoop]: === Iteration 244 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:48,655 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:48,655 INFO L85 PathProgramCache]: Analyzing trace with hash 965513816, now seen corresponding path program 244 times [2025-04-13 22:43:48,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:48,655 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142643750] [2025-04-13 22:43:48,655 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 22:43:48,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:48,659 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-04-13 22:43:48,662 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:48,662 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 22:43:48,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:48,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142643750] [2025-04-13 22:43:48,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142643750] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:48,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:48,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:48,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061451675] [2025-04-13 22:43:48,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:48,915 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:48,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:48,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:48,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:48,916 INFO L87 Difference]: Start difference. First operand 23422 states and 105710 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:52,011 INFO L93 Difference]: Finished difference Result 30807 states and 138037 transitions. [2025-04-13 22:43:52,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-13 22:43:52,011 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:52,011 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:52,215 INFO L225 Difference]: With dead ends: 30807 [2025-04-13 22:43:52,216 INFO L226 Difference]: Without dead ends: 30385 [2025-04-13 22:43:52,225 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=455, Invalid=4657, Unknown=0, NotChecked=0, Total=5112 [2025-04-13 22:43:52,225 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 828 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7427 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 7427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:52,225 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 0 Invalid, 7459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 7427 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-04-13 22:43:52,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30385 states. [2025-04-13 22:43:52,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30385 to 23472. [2025-04-13 22:43:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23472 states, 23471 states have (on average 4.512163946998424) internal successors, (105905), 23471 states have internal predecessors, (105905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23472 states to 23472 states and 105905 transitions. [2025-04-13 22:43:52,876 INFO L79 Accepts]: Start accepts. Automaton has 23472 states and 105905 transitions. Word has length 64 [2025-04-13 22:43:52,876 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:52,876 INFO L485 AbstractCegarLoop]: Abstraction has 23472 states and 105905 transitions. [2025-04-13 22:43:52,877 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:52,877 INFO L278 IsEmpty]: Start isEmpty. Operand 23472 states and 105905 transitions. [2025-04-13 22:43:52,923 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:52,923 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:52,923 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:52,923 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2025-04-13 22:43:52,923 INFO L403 AbstractCegarLoop]: === Iteration 245 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:52,923 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:52,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2105267708, now seen corresponding path program 245 times [2025-04-13 22:43:52,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:52,923 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415403299] [2025-04-13 22:43:52,923 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 22:43:52,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:52,927 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:52,929 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:52,929 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:43:52,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:53,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:53,131 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415403299] [2025-04-13 22:43:53,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415403299] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:53,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:53,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266187007] [2025-04-13 22:43:53,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:53,131 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:53,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:53,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:53,132 INFO L87 Difference]: Start difference. First operand 23472 states and 105905 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:56,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:43:56,072 INFO L93 Difference]: Finished difference Result 31388 states and 140843 transitions. [2025-04-13 22:43:56,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-04-13 22:43:56,072 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:43:56,073 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:43:56,290 INFO L225 Difference]: With dead ends: 31388 [2025-04-13 22:43:56,290 INFO L226 Difference]: Without dead ends: 30646 [2025-04-13 22:43:56,304 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=478, Invalid=5072, Unknown=0, NotChecked=0, Total=5550 [2025-04-13 22:43:56,305 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 890 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7484 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 7484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-04-13 22:43:56,305 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 0 Invalid, 7518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 7484 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-04-13 22:43:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30646 states. [2025-04-13 22:43:56,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30646 to 23182. [2025-04-13 22:43:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23182 states, 23181 states have (on average 4.513610284284543) internal successors, (104630), 23181 states have internal predecessors, (104630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23182 states to 23182 states and 104630 transitions. [2025-04-13 22:43:57,105 INFO L79 Accepts]: Start accepts. Automaton has 23182 states and 104630 transitions. Word has length 64 [2025-04-13 22:43:57,105 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:43:57,105 INFO L485 AbstractCegarLoop]: Abstraction has 23182 states and 104630 transitions. [2025-04-13 22:43:57,106 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:43:57,106 INFO L278 IsEmpty]: Start isEmpty. Operand 23182 states and 104630 transitions. [2025-04-13 22:43:57,150 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:43:57,150 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:43:57,150 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:43:57,150 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2025-04-13 22:43:57,150 INFO L403 AbstractCegarLoop]: === Iteration 246 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:43:57,150 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:43:57,150 INFO L85 PathProgramCache]: Analyzing trace with hash 253761350, now seen corresponding path program 246 times [2025-04-13 22:43:57,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:43:57,151 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128217041] [2025-04-13 22:43:57,151 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-13 22:43:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:43:57,154 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:43:57,156 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:43:57,157 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-13 22:43:57,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:43:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:43:57,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:43:57,357 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128217041] [2025-04-13 22:43:57,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128217041] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:43:57,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:43:57,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:43:57,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155988781] [2025-04-13 22:43:57,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:43:57,357 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:43:57,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:43:57,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:43:57,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:43:57,358 INFO L87 Difference]: Start difference. First operand 23182 states and 104630 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:00,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:44:00,016 INFO L93 Difference]: Finished difference Result 29410 states and 131991 transitions. [2025-04-13 22:44:00,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-13 22:44:00,017 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:44:00,017 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:44:00,227 INFO L225 Difference]: With dead ends: 29410 [2025-04-13 22:44:00,227 INFO L226 Difference]: Without dead ends: 28773 [2025-04-13 22:44:00,240 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=3531, Unknown=0, NotChecked=0, Total=3906 [2025-04-13 22:44:00,240 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 823 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6993 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 6993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-04-13 22:44:00,240 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 0 Invalid, 7015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 6993 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-04-13 22:44:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28773 states. [2025-04-13 22:44:00,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28773 to 23222. [2025-04-13 22:44:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23222 states, 23221 states have (on average 4.513070065888635) internal successors, (104798), 23221 states have internal predecessors, (104798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23222 states to 23222 states and 104798 transitions. [2025-04-13 22:44:01,121 INFO L79 Accepts]: Start accepts. Automaton has 23222 states and 104798 transitions. Word has length 64 [2025-04-13 22:44:01,121 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:44:01,121 INFO L485 AbstractCegarLoop]: Abstraction has 23222 states and 104798 transitions. [2025-04-13 22:44:01,121 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:01,121 INFO L278 IsEmpty]: Start isEmpty. Operand 23222 states and 104798 transitions. [2025-04-13 22:44:01,168 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:44:01,168 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:44:01,168 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:44:01,168 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2025-04-13 22:44:01,168 INFO L403 AbstractCegarLoop]: === Iteration 247 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:44:01,169 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:44:01,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1377344088, now seen corresponding path program 247 times [2025-04-13 22:44:01,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:44:01,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728709334] [2025-04-13 22:44:01,169 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-13 22:44:01,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:44:01,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:44:01,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:44:01,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:44:01,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:44:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:44:01,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:44:01,373 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728709334] [2025-04-13 22:44:01,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728709334] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:44:01,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:44:01,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:44:01,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250227161] [2025-04-13 22:44:01,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:44:01,374 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:44:01,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:44:01,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:44:01,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:44:01,374 INFO L87 Difference]: Start difference. First operand 23222 states and 104798 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:44:04,060 INFO L93 Difference]: Finished difference Result 29461 states and 131879 transitions. [2025-04-13 22:44:04,060 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-13 22:44:04,060 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:44:04,060 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:44:04,260 INFO L225 Difference]: With dead ends: 29461 [2025-04-13 22:44:04,260 INFO L226 Difference]: Without dead ends: 28844 [2025-04-13 22:44:04,273 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=405, Invalid=4017, Unknown=0, NotChecked=0, Total=4422 [2025-04-13 22:44:04,274 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 871 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6891 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 6891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-04-13 22:44:04,274 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 0 Invalid, 6914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 6891 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-04-13 22:44:04,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28844 states. [2025-04-13 22:44:04,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28844 to 23162. [2025-04-13 22:44:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23162 states, 23161 states have (on average 4.513881093217046) internal successors, (104546), 23161 states have internal predecessors, (104546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23162 states to 23162 states and 104546 transitions. [2025-04-13 22:44:05,101 INFO L79 Accepts]: Start accepts. Automaton has 23162 states and 104546 transitions. Word has length 64 [2025-04-13 22:44:05,101 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:44:05,101 INFO L485 AbstractCegarLoop]: Abstraction has 23162 states and 104546 transitions. [2025-04-13 22:44:05,101 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:05,101 INFO L278 IsEmpty]: Start isEmpty. Operand 23162 states and 104546 transitions. [2025-04-13 22:44:05,150 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:44:05,150 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:44:05,150 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:44:05,150 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2025-04-13 22:44:05,150 INFO L403 AbstractCegarLoop]: === Iteration 248 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:44:05,151 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:44:05,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1286489734, now seen corresponding path program 248 times [2025-04-13 22:44:05,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:44:05,151 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220633184] [2025-04-13 22:44:05,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:44:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:44:05,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:44:05,157 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:44:05,157 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:44:05,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:44:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:44:05,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:44:05,368 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220633184] [2025-04-13 22:44:05,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220633184] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:44:05,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:44:05,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-13 22:44:05,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516812667] [2025-04-13 22:44:05,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:44:05,369 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-13 22:44:05,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:44:05,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-13 22:44:05,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2025-04-13 22:44:05,369 INFO L87 Difference]: Start difference. First operand 23162 states and 104546 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:07,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:44:07,885 INFO L93 Difference]: Finished difference Result 29883 states and 134190 transitions. [2025-04-13 22:44:07,885 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-13 22:44:07,885 INFO L79 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2025-04-13 22:44:07,885 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:44:08,105 INFO L225 Difference]: With dead ends: 29883 [2025-04-13 22:44:08,106 INFO L226 Difference]: Without dead ends: 28921 [2025-04-13 22:44:08,121 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=359, Invalid=3673, Unknown=0, NotChecked=0, Total=4032 [2025-04-13 22:44:08,122 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6474 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-04-13 22:44:08,122 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 0 Invalid, 6499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 6474 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-04-13 22:44:08,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28921 states. [2025-04-13 22:44:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28921 to 23142. [2025-04-13 22:44:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23142 states, 23141 states have (on average 4.517609437794391) internal successors, (104542), 23141 states have internal predecessors, (104542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23142 states to 23142 states and 104542 transitions. [2025-04-13 22:44:08,928 INFO L79 Accepts]: Start accepts. Automaton has 23142 states and 104542 transitions. Word has length 64 [2025-04-13 22:44:08,929 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:44:08,929 INFO L485 AbstractCegarLoop]: Abstraction has 23142 states and 104542 transitions. [2025-04-13 22:44:08,929 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:44:08,929 INFO L278 IsEmpty]: Start isEmpty. Operand 23142 states and 104542 transitions. [2025-04-13 22:44:08,974 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-04-13 22:44:08,974 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:44:08,975 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 22:44:08,975 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2025-04-13 22:44:08,975 INFO L403 AbstractCegarLoop]: === Iteration 249 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-04-13 22:44:08,975 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:44:08,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1643136502, now seen corresponding path program 249 times [2025-04-13 22:44:08,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:44:08,975 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146576129] [2025-04-13 22:44:08,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 22:44:08,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:44:08,978 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-04-13 22:44:08,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-13 22:44:08,981 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-13 22:44:08,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:44:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 22:44:09,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:44:09,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146576129] [2025-04-13 22:44:09,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146576129] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:44:09,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:44:09,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-13 22:44:09,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045827542] [2025-04-13 22:44:09,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:44:09,175 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 22:44:09,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:44:09,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 22:44:09,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2025-04-13 22:44:09,175 INFO L87 Difference]: Start difference. First operand 23142 states and 104542 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2025-04-13 22:44:09,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-13 22:44:09,523 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-04-13 22:44:09,523 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-04-13 22:44:09,523 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 0 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-04-13 22:44:09,524 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2025-04-13 22:44:09,524 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2025-04-13 22:44:09,524 WARN L610 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). [2025-04-13 22:44:09,526 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2025-04-13 22:44:09,526 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2025-04-13 22:44:09,526 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2025-04-13 22:44:09,526 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2025-04-13 22:44:09,527 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2025-04-13 22:44:09,527 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2025-04-13 22:44:09,527 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork2Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2025-04-13 22:44:09,527 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork2Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2025-04-13 22:44:09,528 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2025-04-13 22:44:09,528 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2025-04-13 22:44:09,536 INFO L422 BasicCegarLoop]: Path program histogram: [249] [2025-04-13 22:44:09,545 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 22:44:09,545 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 22:44:09,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 10:44:09 BasicIcfg [2025-04-13 22:44:09,547 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 22:44:09,552 INFO L158 Benchmark]: Toolchain (without parser) took 767355.50ms. Allocated memory was 155.2MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 107.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 3.7GB. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.95ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 92.0MB in the end (delta: 15.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.93ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 89.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L158 Benchmark]: Boogie Preprocessor took 54.67ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L158 Benchmark]: IcfgBuilder took 484.14ms. Allocated memory is still 155.2MB. Free memory was 87.0MB in the beginning and 40.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L158 Benchmark]: TraceAbstraction took 766506.21ms. Allocated memory was 155.2MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 40.8MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2025-04-13 22:44:09,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 268.95ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 92.0MB in the end (delta: 15.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.93ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 89.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.67ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * IcfgBuilder took 484.14ms. Allocated memory is still 155.2MB. Free memory was 87.0MB in the beginning and 40.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 766506.21ms. Allocated memory was 155.2MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 40.8MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (23142states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (368 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 128 locations, 143 edges, 11 error locations. Started 1 CEGAR loops. OverallTime: 766.4s, OverallIterations: 249, TraceHistogramMax: 1, PathProgramHistogramMax: 249, EmptinessCheckTime: 11.0s, AutomataDifference: 556.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167214 SdHoareTripleChecker+Valid, 383.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167214 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 317.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3726 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1436816 IncrementalHoareTripleChecker+Invalid, 1440542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3726 mSolverCounterUnsat, 0 mSDtfsCounter, 1436816 mSolverCounterSat, 3.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13501 GetRequests, 980 SyntacticMatches, 0 SemanticMatches, 12521 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156755 ImplicationChecksByTransitivity, 108.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30647occurred in iteration=0, InterpolantAutomatonStates: 11087, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 120.8s AutomataMinimizationTime, 248 MinimizatonAttempts, 891296 StatesRemovedByMinimization, 245 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 57.9s InterpolantComputationTime, 15936 NumberOfCodeBlocks, 15936 NumberOfCodeBlocksAsserted, 290 NumberOfCheckSat, 15687 ConstructedInterpolants, 0 QuantifiedInterpolants, 108761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 249 InterpolantComputations, 249 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available [2025-04-13 22:44:09,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown