/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-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 22:31:23,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 22:31:23,055 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 22:31:23,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 22:31:23,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 22:31:23,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 22:31:23,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 22:31:23,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 22:31:23,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 22:31:23,084 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 22:31:23,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 22:31:23,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 22:31:23,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 22:31:23,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 22:31:23,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 22:31:23,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 22:31:23,087 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:31:23,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 22:31:23,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:31:23,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 22:31:23,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 22:31:23,088 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 22:31:23,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 22:31:23,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 22:31:23,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 22:31:23,300 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 22:31:23,302 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 22:31:23,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2025-04-13 22:31:24,582 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fb120d1/bc2518f1e0884e3abb52ebbc6b567887/FLAG03b0ac6a8 [2025-04-13 22:31:24,766 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 22:31:24,767 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2025-04-13 22:31:24,773 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fb120d1/bc2518f1e0884e3abb52ebbc6b567887/FLAG03b0ac6a8 [2025-04-13 22:31:25,633 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fb120d1/bc2518f1e0884e3abb52ebbc6b567887 [2025-04-13 22:31:25,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 22:31:25,636 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 22:31:25,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 22:31:25,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 22:31:25,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 22:31:25,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0de4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25, skipping insertion in model container [2025-04-13 22:31:25,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 22:31:25,784 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-bluetooth.wvr.c[2491,2504] [2025-04-13 22:31:25,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 22:31:25,795 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 22:31:25,814 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-bluetooth.wvr.c[2491,2504] [2025-04-13 22:31:25,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 22:31:25,823 INFO L204 MainTranslator]: Completed translation [2025-04-13 22:31:25,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25 WrapperNode [2025-04-13 22:31:25,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 22:31:25,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 22:31:25,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 22:31:25,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 22:31:25,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,850 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 113 [2025-04-13 22:31:25,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 22:31:25,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 22:31:25,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 22:31:25,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 22:31:25,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,878 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 22:31:25,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 22:31:25,895 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-13 22:31:25,895 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-13 22:31:25,895 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-13 22:31:25,896 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (1/1) ... [2025-04-13 22:31:25,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 22:31:25,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 22:31:25,922 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 22:31:25,924 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 22:31:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 22:31:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 22:31:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 22:31:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 22:31:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 22:31:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 22:31:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 22:31:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 22:31:25,943 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 22:31:26,010 INFO L256 CfgBuilder]: Building ICFG [2025-04-13 22:31:26,012 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 22:31:26,225 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 22:31:26,225 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 22:31:26,225 INFO L318 CfgBuilder]: Performing block encoding [2025-04-13 22:31:26,361 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 22:31:26,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 10:31:26 BoogieIcfgContainer [2025-04-13 22:31:26,362 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-13 22:31:26,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 22:31:26,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 22:31:26,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 22:31:26,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 10:31:25" (1/3) ... [2025-04-13 22:31:26,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9e9990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 10:31:26, skipping insertion in model container [2025-04-13 22:31:26,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 10:31:25" (2/3) ... [2025-04-13 22:31:26,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9e9990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 10:31:26, skipping insertion in model container [2025-04-13 22:31:26,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 10:31:26" (3/3) ... [2025-04-13 22:31:26,367 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2025-04-13 22:31:26,378 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 22:31:26,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-bluetooth.wvr.c that has 3 procedures, 41 locations, 41 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-13 22:31:26,379 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 22:31:26,412 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 22:31:26,433 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 43 transitions, 100 flow [2025-04-13 22:31:26,457 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 219 states, 218 states have (on average 2.44954128440367) internal successors, (534), 218 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:26,479 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 22:31:26,487 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;@60fd8913, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 22:31:26,487 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-13 22:31:26,489 INFO L278 IsEmpty]: Start isEmpty. Operand has 219 states, 218 states have (on average 2.44954128440367) internal successors, (534), 218 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:26,495 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-04-13 22:31:26,495 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:26,496 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] [2025-04-13 22:31:26,496 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 22:31:26,499 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:26,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1109175432, now seen corresponding path program 1 times [2025-04-13 22:31:26,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:26,504 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003398584] [2025-04-13 22:31:26,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 22:31:26,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:26,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-13 22:31:26,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-13 22:31:26,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:26,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:26,775 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 22:31:26,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:26,776 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003398584] [2025-04-13 22:31:26,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003398584] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:26,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:26,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 22:31:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260086673] [2025-04-13 22:31:26,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:26,780 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 22:31:26,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:26,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 22:31:26,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 22:31:26,793 INFO L87 Difference]: Start difference. First operand has 219 states, 218 states have (on average 2.44954128440367) internal successors, (534), 218 states have internal predecessors, (534), 0 states have call successors, (0), 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 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:26,882 INFO L93 Difference]: Finished difference Result 328 states and 776 transitions. [2025-04-13 22:31:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 22:31:26,883 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2025-04-13 22:31:26,884 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:26,890 INFO L225 Difference]: With dead ends: 328 [2025-04-13 22:31:26,890 INFO L226 Difference]: Without dead ends: 270 [2025-04-13 22:31:26,891 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 22:31:26,893 INFO L437 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:26,893 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:26,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-04-13 22:31:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2025-04-13 22:31:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 2.3484848484848486) internal successors, (620), 264 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 620 transitions. [2025-04-13 22:31:26,927 INFO L79 Accepts]: Start accepts. Automaton has 265 states and 620 transitions. Word has length 34 [2025-04-13 22:31:26,927 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:26,928 INFO L485 AbstractCegarLoop]: Abstraction has 265 states and 620 transitions. [2025-04-13 22:31:26,928 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:26,928 INFO L278 IsEmpty]: Start isEmpty. Operand 265 states and 620 transitions. [2025-04-13 22:31:26,929 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-04-13 22:31:26,929 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:26,929 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] [2025-04-13 22:31:26,929 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 22:31:26,930 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 22:31:26,930 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:26,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2032101008, now seen corresponding path program 1 times [2025-04-13 22:31:26,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:26,930 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897533563] [2025-04-13 22:31:26,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 22:31:26,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:26,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-13 22:31:26,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-13 22:31:26,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:26,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:27,197 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 22:31:27,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:27,197 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897533563] [2025-04-13 22:31:27,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897533563] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:27,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:27,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 22:31:27,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729032160] [2025-04-13 22:31:27,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:27,198 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 22:31:27,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:27,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 22:31:27,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-13 22:31:27,199 INFO L87 Difference]: Start difference. First operand 265 states and 620 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:27,358 INFO L93 Difference]: Finished difference Result 464 states and 1076 transitions. [2025-04-13 22:31:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 22:31:27,359 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2025-04-13 22:31:27,359 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:27,361 INFO L225 Difference]: With dead ends: 464 [2025-04-13 22:31:27,361 INFO L226 Difference]: Without dead ends: 265 [2025-04-13 22:31:27,361 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-13 22:31:27,362 INFO L437 NwaCegarLoop]: 6 mSDtfsCounter, 26 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:27,362 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 12 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-04-13 22:31:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2025-04-13 22:31:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 2.25) internal successors, (594), 264 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 594 transitions. [2025-04-13 22:31:27,375 INFO L79 Accepts]: Start accepts. Automaton has 265 states and 594 transitions. Word has length 35 [2025-04-13 22:31:27,376 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:27,377 INFO L485 AbstractCegarLoop]: Abstraction has 265 states and 594 transitions. [2025-04-13 22:31:27,377 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,377 INFO L278 IsEmpty]: Start isEmpty. Operand 265 states and 594 transitions. [2025-04-13 22:31:27,378 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-04-13 22:31:27,378 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:27,378 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] [2025-04-13 22:31:27,378 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 22:31:27,378 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 22:31:27,379 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash -934815623, now seen corresponding path program 1 times [2025-04-13 22:31:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:27,379 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958872709] [2025-04-13 22:31:27,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 22:31:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:27,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-13 22:31:27,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 22:31:27,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:27,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:27,486 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 22:31:27,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:27,486 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958872709] [2025-04-13 22:31:27,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958872709] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:27,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:27,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-13 22:31:27,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020294787] [2025-04-13 22:31:27,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:27,487 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 22:31:27,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:27,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 22:31:27,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 22:31:27,487 INFO L87 Difference]: Start difference. First operand 265 states and 594 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:27,569 INFO L93 Difference]: Finished difference Result 333 states and 739 transitions. [2025-04-13 22:31:27,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 22:31:27,569 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2025-04-13 22:31:27,570 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:27,571 INFO L225 Difference]: With dead ends: 333 [2025-04-13 22:31:27,571 INFO L226 Difference]: Without dead ends: 246 [2025-04-13 22:31:27,571 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 22:31:27,572 INFO L437 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:27,572 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:27,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2025-04-13 22:31:27,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2025-04-13 22:31:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 2.240506329113924) internal successors, (531), 237 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 531 transitions. [2025-04-13 22:31:27,584 INFO L79 Accepts]: Start accepts. Automaton has 238 states and 531 transitions. Word has length 36 [2025-04-13 22:31:27,584 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:27,584 INFO L485 AbstractCegarLoop]: Abstraction has 238 states and 531 transitions. [2025-04-13 22:31:27,587 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,587 INFO L278 IsEmpty]: Start isEmpty. Operand 238 states and 531 transitions. [2025-04-13 22:31:27,588 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-04-13 22:31:27,588 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:27,588 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] [2025-04-13 22:31:27,588 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-13 22:31:27,588 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 22:31:27,589 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:27,589 INFO L85 PathProgramCache]: Analyzing trace with hash 737011504, now seen corresponding path program 1 times [2025-04-13 22:31:27,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:27,589 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518488432] [2025-04-13 22:31:27,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 22:31:27,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:27,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-13 22:31:27,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 22:31:27,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 22:31:27,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:27,678 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 22:31:27,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:27,678 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518488432] [2025-04-13 22:31:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518488432] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:27,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:27,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-13 22:31:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094645177] [2025-04-13 22:31:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:27,679 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-13 22:31:27,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:27,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-13 22:31:27,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-13 22:31:27,680 INFO L87 Difference]: Start difference. First operand 238 states and 531 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:27,775 INFO L93 Difference]: Finished difference Result 318 states and 708 transitions. [2025-04-13 22:31:27,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 22:31:27,776 INFO L79 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2025-04-13 22:31:27,776 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:27,777 INFO L225 Difference]: With dead ends: 318 [2025-04-13 22:31:27,777 INFO L226 Difference]: Without dead ends: 162 [2025-04-13 22:31:27,779 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-13 22:31:27,779 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 39 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:27,780 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 7 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-04-13 22:31:27,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-04-13 22:31:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.031055900621118) internal successors, (327), 161 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 327 transitions. [2025-04-13 22:31:27,785 INFO L79 Accepts]: Start accepts. Automaton has 162 states and 327 transitions. Word has length 36 [2025-04-13 22:31:27,785 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:27,785 INFO L485 AbstractCegarLoop]: Abstraction has 162 states and 327 transitions. [2025-04-13 22:31:27,785 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:27,786 INFO L278 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2025-04-13 22:31:27,787 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-04-13 22:31:27,787 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 22:31:27,787 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] [2025-04-13 22:31:27,787 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-13 22:31:27,787 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 22:31:27,788 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 22:31:27,788 INFO L85 PathProgramCache]: Analyzing trace with hash -392748865, now seen corresponding path program 2 times [2025-04-13 22:31:27,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 22:31:27,788 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623774128] [2025-04-13 22:31:27,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 22:31:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 22:31:27,796 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 1 equivalence classes. [2025-04-13 22:31:27,808 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 22:31:27,810 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 22:31:27,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 22:31:28,017 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 22:31:28,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 22:31:28,018 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623774128] [2025-04-13 22:31:28,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623774128] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 22:31:28,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 22:31:28,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-13 22:31:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389636] [2025-04-13 22:31:28,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 22:31:28,018 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-13 22:31:28,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 22:31:28,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-13 22:31:28,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-13 22:31:28,019 INFO L87 Difference]: Start difference. First operand 162 states and 327 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 22:31:28,149 INFO L93 Difference]: Finished difference Result 162 states and 327 transitions. [2025-04-13 22:31:28,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-13 22:31:28,150 INFO L79 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2025-04-13 22:31:28,150 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 22:31:28,150 INFO L225 Difference]: With dead ends: 162 [2025-04-13 22:31:28,150 INFO L226 Difference]: Without dead ends: 0 [2025-04-13 22:31:28,151 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-04-13 22:31:28,151 INFO L437 NwaCegarLoop]: 6 mSDtfsCounter, 61 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 22:31:28,151 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 12 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 22:31:28,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-04-13 22:31:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-04-13 22:31:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-04-13 22:31:28,154 INFO L79 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2025-04-13 22:31:28,154 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 22:31:28,154 INFO L485 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-13 22:31:28,154 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 22:31:28,154 INFO L278 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-04-13 22:31:28,155 INFO L284 IsEmpty]: Finished isEmpty. No accepting run. [2025-04-13 22:31:28,156 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-13 22:31:28,156 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-13 22:31:28,156 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-13 22:31:28,157 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-13 22:31:28,158 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-04-13 22:31:28,160 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 22:31:28,160 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 22:31:28,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 10:31:28 BasicIcfg [2025-04-13 22:31:28,163 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 22:31:28,163 INFO L158 Benchmark]: Toolchain (without parser) took 2527.49ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 57.1MB in the end (delta: 41.4MB). Peak memory consumption was 39.0MB. Max. memory is 8.0GB. [2025-04-13 22:31:28,163 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 22:31:28,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.94ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 84.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 22:31:28,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.67ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 82.1MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-13 22:31:28,164 INFO L158 Benchmark]: Boogie Preprocessor took 43.66ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 22:31:28,164 INFO L158 Benchmark]: IcfgBuilder took 466.83ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 47.2MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-13 22:31:28,164 INFO L158 Benchmark]: TraceAbstraction took 1799.73ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 57.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 22:31:28,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 187.94ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 84.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.67ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 82.1MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.66ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * IcfgBuilder took 466.83ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 47.2MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1799.73ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 57.1MB in the end (delta: -10.5MB). There was no memory consumed. 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 - PositiveResult [Line: 91]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 62 locations, 67 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 585 IncrementalHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 21 mSDtfsCounter, 585 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=1, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 22:31:28,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...