/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 05:58:02,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 05:58:02,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 05:58:02,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 05:58:02,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 05:58:02,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 05:58:02,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 05:58:02,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 05:58:02,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 05:58:02,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 05:58:02,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 05:58:02,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 05:58:02,377 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 05:58:02,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 05:58:02,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 05:58:02,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 05:58:02,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 05:58:02,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 05:58:02,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 05:58:02,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 05:58:02,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 05:58:02,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 05:58:02,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 05:58:02,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 05:58:02,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 05:58:02,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 05:58:02,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 05:58:02,382 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 05:58:02,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 05:58:02,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:58:02,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 05:58:02,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 05:58:02,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 05:58:02,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 05:58:02,384 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 05:58:02,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 05:58:02,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 05:58:02,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 05:58:02,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 05:58:02,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 05:58:02,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 05:58:02,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 05:58:02,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 05:58:02,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 05:58:02,644 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 05:58:02,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2024-04-05 05:58:03,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 05:58:03,842 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 05:58:03,842 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2024-04-05 05:58:03,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9f6c1120d/d3bfd48f3cc744dc9727dfd5b27187f7/FLAG587f49437 [2024-04-05 05:58:03,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9f6c1120d/d3bfd48f3cc744dc9727dfd5b27187f7 [2024-04-05 05:58:03,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 05:58:03,863 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 05:58:03,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 05:58:03,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 05:58:03,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 05:58:03,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:58:03" (1/1) ... [2024-04-05 05:58:03,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a9cf4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:03, skipping insertion in model container [2024-04-05 05:58:03,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:58:03" (1/1) ... [2024-04-05 05:58:03,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 05:58:04,004 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2024-04-05 05:58:04,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:58:04,023 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 05:58:04,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2024-04-05 05:58:04,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:58:04,055 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 05:58:04,055 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 05:58:04,061 INFO L206 MainTranslator]: Completed translation [2024-04-05 05:58:04,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04 WrapperNode [2024-04-05 05:58:04,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 05:58:04,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 05:58:04,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 05:58:04,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 05:58:04,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,092 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 206 [2024-04-05 05:58:04,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 05:58:04,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 05:58:04,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 05:58:04,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 05:58:04,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 05:58:04,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 05:58:04,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 05:58:04,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 05:58:04,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (1/1) ... [2024-04-05 05:58:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:58:04,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:04,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 05:58:04,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 05:58:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 05:58:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 05:58:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 05:58:04,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 05:58:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 05:58:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 05:58:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 05:58:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 05:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 05:58:04,210 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 05:58:04,287 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 05:58:04,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 05:58:04,511 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 05:58:04,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 05:58:04,610 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-05 05:58:04,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:58:04 BoogieIcfgContainer [2024-04-05 05:58:04,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 05:58:04,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 05:58:04,612 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 05:58:04,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 05:58:04,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:58:03" (1/3) ... [2024-04-05 05:58:04,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a77b596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:58:04, skipping insertion in model container [2024-04-05 05:58:04,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:58:04" (2/3) ... [2024-04-05 05:58:04,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a77b596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:58:04, skipping insertion in model container [2024-04-05 05:58:04,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:58:04" (3/3) ... [2024-04-05 05:58:04,617 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-04-05 05:58:04,622 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 05:58:04,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 05:58:04,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 05:58:04,629 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 05:58:04,697 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 05:58:04,739 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 05:58:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 05:58:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:04,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 05:58:04,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 05:58:04,772 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 05:58:04,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:04,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 05:58:04,786 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@5e060ff0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 05:58:04,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 05:58:05,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1244480144, now seen corresponding path program 1 times [2024-04-05 05:58:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 05:58:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:05,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 05:58:05,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 05:58:05,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 05:58:06,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:06,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1674842440, now seen corresponding path program 1 times [2024-04-05 05:58:06,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:06,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860742762] [2024-04-05 05:58:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:06,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-05 05:58:06,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:06,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860742762] [2024-04-05 05:58:06,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860742762] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 05:58:06,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 05:58:06,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 05:58:06,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335846522] [2024-04-05 05:58:06,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:58:06,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 05:58:06,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:06,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 05:58:06,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 05:58:06,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:06,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:06,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:06,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 05:58:06,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:06,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:06,997 INFO L85 PathProgramCache]: Analyzing trace with hash 39445173, now seen corresponding path program 1 times [2024-04-05 05:58:06,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:06,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682012277] [2024-04-05 05:58:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:06,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 05:58:07,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682012277] [2024-04-05 05:58:07,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682012277] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983933927] [2024-04-05 05:58:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:07,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:07,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 05:58:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:07,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 05:58:07,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 05:58:07,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 05:58:07,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983933927] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:07,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:07,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-04-05 05:58:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425456587] [2024-04-05 05:58:07,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:07,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-05 05:58:07,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:07,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-05 05:58:07,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-04-05 05:58:07,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:07,924 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:07,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.2) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:08,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:08,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:08,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 05:58:08,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:08,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:08,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1268905762, now seen corresponding path program 2 times [2024-04-05 05:58:08,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:08,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39391626] [2024-04-05 05:58:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:08,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:09,006 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 05:58:09,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:09,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39391626] [2024-04-05 05:58:09,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39391626] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:09,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414823698] [2024-04-05 05:58:09,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 05:58:09,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:09,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:09,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:09,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 05:58:09,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 05:58:09,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:09,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 05:58:09,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 05:58:09,495 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 05:58:09,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414823698] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:09,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:09,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 43 [2024-04-05 05:58:09,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029007440] [2024-04-05 05:58:09,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:09,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-05 05:58:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:09,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-05 05:58:09,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1561, Unknown=0, NotChecked=0, Total=1806 [2024-04-05 05:58:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:09,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:09,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.093023255813954) internal successors, (348), 43 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:10,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 05:58:10,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:11,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:11,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1649612548, now seen corresponding path program 3 times [2024-04-05 05:58:11,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:11,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699631747] [2024-04-05 05:58:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 05:58:11,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:11,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699631747] [2024-04-05 05:58:11,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699631747] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:11,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281428301] [2024-04-05 05:58:11,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 05:58:11,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:11,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:11,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:11,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 05:58:11,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 05:58:11,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:11,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 05:58:11,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-04-05 05:58:11,782 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-04-05 05:58:12,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281428301] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:12,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:12,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 12] total 35 [2024-04-05 05:58:12,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849419817] [2024-04-05 05:58:12,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:12,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-05 05:58:12,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-05 05:58:12,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1088, Unknown=0, NotChecked=0, Total=1190 [2024-04-05 05:58:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:12,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:12,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.942857142857143) internal successors, (313), 35 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:12,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:12,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:12,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:12,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:14,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 05:58:15,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:15,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:15,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:15,094 INFO L85 PathProgramCache]: Analyzing trace with hash 684060952, now seen corresponding path program 4 times [2024-04-05 05:58:15,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:15,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527833152] [2024-04-05 05:58:15,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:15,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 36 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:58:15,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:15,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527833152] [2024-04-05 05:58:15,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527833152] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:15,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939470927] [2024-04-05 05:58:15,460 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 05:58:15,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:15,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:15,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:15,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 05:58:15,559 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 05:58:15,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:15,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-05 05:58:15,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 05:58:16,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 75 proven. 52 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 05:58:16,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939470927] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:16,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:16,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 60 [2024-04-05 05:58:16,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795394997] [2024-04-05 05:58:16,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:16,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-05 05:58:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-05 05:58:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=3172, Unknown=0, NotChecked=0, Total=3540 [2024-04-05 05:58:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:16,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:16,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 7.4) internal successors, (444), 60 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:18,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 05:58:18,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-05 05:58:18,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:18,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1118765613, now seen corresponding path program 5 times [2024-04-05 05:58:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:18,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956602030] [2024-04-05 05:58:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:18,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 62 proven. 167 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:58:19,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:19,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956602030] [2024-04-05 05:58:19,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956602030] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:19,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096091053] [2024-04-05 05:58:19,377 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 05:58:19,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:19,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:19,380 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:19,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 05:58:19,511 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-05 05:58:19,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:19,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-05 05:58:19,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 122 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:58:20,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 145 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:58:21,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096091053] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:21,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:21,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33, 33] total 85 [2024-04-05 05:58:21,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107814963] [2024-04-05 05:58:21,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:21,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-05 05:58:21,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:21,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-05 05:58:21,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=789, Invalid=6351, Unknown=0, NotChecked=0, Total=7140 [2024-04-05 05:58:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:21,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:21,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 6.788235294117647) internal successors, (577), 85 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:21,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:24,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 05:58:24,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:24,576 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:24,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:24,577 INFO L85 PathProgramCache]: Analyzing trace with hash 477285269, now seen corresponding path program 6 times [2024-04-05 05:58:24,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:24,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429819209] [2024-04-05 05:58:24,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:24,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 96 proven. 378 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 05:58:25,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429819209] [2024-04-05 05:58:25,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429819209] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273246759] [2024-04-05 05:58:25,248 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 05:58:25,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:25,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:25,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:25,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 05:58:25,575 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-04-05 05:58:25,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:25,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 48 conjunts are in the unsatisfiable core [2024-04-05 05:58:25,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 201 proven. 321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:58:26,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 225 proven. 297 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:58:28,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273246759] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:28,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:28,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 43, 43] total 108 [2024-04-05 05:58:28,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360464887] [2024-04-05 05:58:28,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:28,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-04-05 05:58:28,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-04-05 05:58:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1214, Invalid=10342, Unknown=0, NotChecked=0, Total=11556 [2024-04-05 05:58:28,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:28,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:28,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 6.111111111111111) internal successors, (660), 108 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:58:31,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 05:58:32,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-04-05 05:58:32,144 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:32,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash 108605328, now seen corresponding path program 7 times [2024-04-05 05:58:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:32,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870989607] [2024-04-05 05:58:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 138 proven. 508 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 05:58:32,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870989607] [2024-04-05 05:58:32,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870989607] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858306059] [2024-04-05 05:58:32,910 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 05:58:32,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:32,911 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:32,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 05:58:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:33,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 46 conjunts are in the unsatisfiable core [2024-04-05 05:58:33,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 263 proven. 425 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 05:58:34,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 318 proven. 370 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 05:58:36,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858306059] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:36,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:36,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 47, 47] total 120 [2024-04-05 05:58:36,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931092749] [2024-04-05 05:58:36,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:36,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-04-05 05:58:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:36,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-04-05 05:58:36,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1430, Invalid=12850, Unknown=0, NotChecked=0, Total=14280 [2024-04-05 05:58:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:36,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:36,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 6.058333333333334) internal successors, (727), 120 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:58:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:58:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:58:40,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 05:58:40,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:40,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:40,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash -764146549, now seen corresponding path program 8 times [2024-04-05 05:58:40,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:40,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695633632] [2024-04-05 05:58:40,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:40,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 188 proven. 656 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 05:58:41,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:41,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695633632] [2024-04-05 05:58:41,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695633632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:41,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26883645] [2024-04-05 05:58:41,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 05:58:41,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:41,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:41,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 05:58:41,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 05:58:41,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:41,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-05 05:58:41,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 397 proven. 481 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 05:58:43,262 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 427 proven. 451 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 05:58:45,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26883645] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:45,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:45,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 51, 51] total 132 [2024-04-05 05:58:45,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746059524] [2024-04-05 05:58:45,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:45,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-04-05 05:58:45,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:45,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-04-05 05:58:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1719, Invalid=15573, Unknown=0, NotChecked=0, Total=17292 [2024-04-05 05:58:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:45,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:45,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 5.962121212121212) internal successors, (787), 132 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:58:45,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:58:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:58:49,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-05 05:58:50,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:50,003 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:58:50,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:58:50,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1786540678, now seen corresponding path program 9 times [2024-04-05 05:58:50,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:58:50,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560326959] [2024-04-05 05:58:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:58:50,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:58:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:58:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 246 proven. 822 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 05:58:51,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:58:51,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560326959] [2024-04-05 05:58:51,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560326959] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:58:51,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084019671] [2024-04-05 05:58:51,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 05:58:51,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:58:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:58:51,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:58:51,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 05:58:51,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-05 05:58:51,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:58:51,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-05 05:58:51,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:58:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 57 proven. 520 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-04-05 05:58:52,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:58:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 65 proven. 512 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-04-05 05:58:54,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084019671] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:58:54,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:58:54,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 113 [2024-04-05 05:58:54,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563742770] [2024-04-05 05:58:54,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:58:54,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-04-05 05:58:54,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:58:54,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-04-05 05:58:54,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=953, Invalid=11703, Unknown=0, NotChecked=0, Total=12656 [2024-04-05 05:58:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:58:54,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:58:54,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 6.336283185840708) internal successors, (716), 113 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:58:54,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:58:54,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:58:54,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:58:54,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:58:54,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:58:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:58:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:58:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:58:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:58:54,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:59:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:59:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:59:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:59:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:59:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:59:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:59:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:59:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:59:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:59:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 05:59:11,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 05:59:11,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-05 05:59:11,239 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:59:11,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:59:11,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1776520458, now seen corresponding path program 10 times [2024-04-05 05:59:11,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:59:11,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970269000] [2024-04-05 05:59:11,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:59:11,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:59:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:59:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 1969 proven. 875 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:59:18,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:59:18,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970269000] [2024-04-05 05:59:18,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970269000] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:59:18,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650955453] [2024-04-05 05:59:18,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 05:59:18,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:59:18,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:59:18,858 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:59:18,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 05:59:19,051 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 05:59:19,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:59:19,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-05 05:59:19,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:59:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 1403 proven. 607 refuted. 0 times theorem prover too weak. 835 trivial. 0 not checked. [2024-04-05 05:59:22,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:59:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 1470 proven. 540 refuted. 0 times theorem prover too weak. 835 trivial. 0 not checked. [2024-04-05 05:59:26,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650955453] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:59:26,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:59:26,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 55, 55] total 227 [2024-04-05 05:59:26,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529458158] [2024-04-05 05:59:26,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:59:26,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2024-04-05 05:59:26,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:59:26,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2024-04-05 05:59:26,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3856, Invalid=47446, Unknown=0, NotChecked=0, Total=51302 [2024-04-05 05:59:26,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:59:26,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:59:26,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 227 states have (on average 4.308370044052864) internal successors, (978), 227 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 05:59:26,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 05:59:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 05:59:29,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 05:59:29,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:59:29,201 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:59:29,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:59:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash 868583139, now seen corresponding path program 11 times [2024-04-05 05:59:29,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:59:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947717714] [2024-04-05 05:59:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:59:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:59:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:59:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2942 backedges. 1969 proven. 972 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:59:36,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:59:36,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947717714] [2024-04-05 05:59:36,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947717714] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:59:36,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491138248] [2024-04-05 05:59:36,663 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 05:59:36,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:59:36,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:59:36,664 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:59:36,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 05:59:37,016 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-04-05 05:59:37,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:59:37,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 58 conjunts are in the unsatisfiable core [2024-04-05 05:59:37,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:59:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2942 backedges. 2226 proven. 637 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-04-05 05:59:40,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:59:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2942 backedges. 2226 proven. 637 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-04-05 05:59:44,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491138248] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:59:44,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:59:44,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 59, 59] total 237 [2024-04-05 05:59:44,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164864070] [2024-04-05 05:59:44,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:59:44,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 237 states [2024-04-05 05:59:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:59:44,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2024-04-05 05:59:44,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4322, Invalid=51610, Unknown=0, NotChecked=0, Total=55932 [2024-04-05 05:59:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:59:44,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:59:44,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 237 states, 237 states have (on average 5.270042194092827) internal successors, (1249), 237 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 05:59:44,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:59:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 05:59:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 05:59:47,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 05:59:47,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-05 05:59:47,545 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:59:47,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:59:47,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1879465424, now seen corresponding path program 12 times [2024-04-05 05:59:47,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:59:47,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715850771] [2024-04-05 05:59:47,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:59:47,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:59:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:59:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3047 backedges. 1969 proven. 1077 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:59:55,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:59:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715850771] [2024-04-05 05:59:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715850771] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:59:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581616395] [2024-04-05 05:59:55,325 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 05:59:55,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:59:55,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:59:55,326 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 05:59:55,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 05:59:56,390 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-04-05 05:59:56,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:59:56,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 70 conjunts are in the unsatisfiable core [2024-04-05 05:59:56,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:00:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3047 backedges. 128 proven. 2176 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-04-05 06:00:01,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:00:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3047 backedges. 491 proven. 91 refuted. 0 times theorem prover too weak. 2465 trivial. 0 not checked. [2024-04-05 06:00:03,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581616395] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:00:03,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:00:03,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 71, 17] total 213 [2024-04-05 06:00:03,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69986337] [2024-04-05 06:00:03,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:00:03,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 213 states [2024-04-05 06:00:03,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:00:03,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2024-04-05 06:00:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2235, Invalid=42921, Unknown=0, NotChecked=0, Total=45156 [2024-04-05 06:00:03,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:00:03,299 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:00:03,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 213 states, 213 states have (on average 4.384976525821596) internal successors, (934), 213 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:00:32,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:00:32,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 06:00:32,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-05 06:00:32,823 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:00:32,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:00:32,823 INFO L85 PathProgramCache]: Analyzing trace with hash 222346887, now seen corresponding path program 13 times [2024-04-05 06:00:32,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:00:32,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844212533] [2024-04-05 06:00:32,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:00:32,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:00:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:00:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4105 backedges. 2615 proven. 1488 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 06:00:43,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:00:43,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844212533] [2024-04-05 06:00:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844212533] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:00:43,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786725027] [2024-04-05 06:00:43,161 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 06:00:43,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:00:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:00:43,162 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:00:43,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 06:00:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:00:43,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-05 06:00:43,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:00:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4105 backedges. 2063 proven. 897 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-04-05 06:00:48,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:00:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4105 backedges. 2105 proven. 855 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-04-05 06:00:54,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786725027] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:00:54,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:00:54,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 67, 67] total 275 [2024-04-05 06:00:54,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530670903] [2024-04-05 06:00:54,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:00:54,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 275 states [2024-04-05 06:00:54,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:00:54,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 275 interpolants. [2024-04-05 06:00:54,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5608, Invalid=69742, Unknown=0, NotChecked=0, Total=75350 [2024-04-05 06:00:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:00:54,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:00:54,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 275 states, 275 states have (on average 4.2290909090909095) internal successors, (1163), 275 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:00:54,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:00:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:00:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:00:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:00:54,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:00:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:00:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:00:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:00:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:00:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:00:58,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-05 06:00:58,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-05 06:00:58,371 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:00:58,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:00:58,372 INFO L85 PathProgramCache]: Analyzing trace with hash -254933068, now seen corresponding path program 14 times [2024-04-05 06:00:58,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:00:58,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907303688] [2024-04-05 06:00:58,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:00:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:00:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:01:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4226 backedges. 2615 proven. 1609 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 06:01:08,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:01:08,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907303688] [2024-04-05 06:01:08,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907303688] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:01:08,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649487939] [2024-04-05 06:01:08,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 06:01:08,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:01:08,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:01:08,935 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:01:08,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 06:01:09,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 06:01:09,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:01:09,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 1408 conjuncts, 70 conjunts are in the unsatisfiable core [2024-04-05 06:01:09,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:01:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4226 backedges. 2142 proven. 1067 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2024-04-05 06:01:14,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:01:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4226 backedges. 2233 proven. 976 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2024-04-05 06:01:20,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649487939] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:01:20,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:01:20,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 71, 71] total 285 [2024-04-05 06:01:20,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433276512] [2024-04-05 06:01:20,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:01:20,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 285 states [2024-04-05 06:01:20,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:01:20,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 285 interpolants. [2024-04-05 06:01:20,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6005, Invalid=74935, Unknown=0, NotChecked=0, Total=80940 [2024-04-05 06:01:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:01:20,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:01:20,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 285 states, 285 states have (on average 4.249122807017544) internal successors, (1211), 285 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:01:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:01:20,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:20,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:20,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:01:20,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:01:20,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:01:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:01:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:01:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:01:25,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-05 06:01:25,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-05 06:01:25,498 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:01:25,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:01:25,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1962290207, now seen corresponding path program 15 times [2024-04-05 06:01:25,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:01:25,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510719134] [2024-04-05 06:01:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:01:25,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:01:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:01:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4355 backedges. 2615 proven. 1738 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 06:01:36,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:01:36,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510719134] [2024-04-05 06:01:36,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510719134] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:01:36,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99311097] [2024-04-05 06:01:36,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 06:01:36,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:01:36,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:01:36,570 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:01:36,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-05 06:01:37,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-04-05 06:01:37,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:01:38,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 76 conjunts are in the unsatisfiable core [2024-04-05 06:01:38,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:01:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4355 backedges. 3234 proven. 1105 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:01:43,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:01:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4355 backedges. 3234 proven. 1105 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:01:50,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99311097] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:01:50,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:01:50,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [153, 77, 77] total 300 [2024-04-05 06:01:50,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327686113] [2024-04-05 06:01:50,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:01:50,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 300 states [2024-04-05 06:01:50,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:01:50,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 300 interpolants. [2024-04-05 06:01:50,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6993, Invalid=82707, Unknown=0, NotChecked=0, Total=89700 [2024-04-05 06:01:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:01:50,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:01:50,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 300 states, 300 states have (on average 5.3133333333333335) internal successors, (1594), 300 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:01:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:01:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:01:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:01:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:01:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:01:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:01:54,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-05 06:01:55,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 06:01:55,038 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:01:55,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:01:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1581189829, now seen corresponding path program 16 times [2024-04-05 06:01:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:01:55,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88165176] [2024-04-05 06:01:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:01:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:01:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:01:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4637 backedges. 3049 proven. 1572 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:01:59,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:01:59,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88165176] [2024-04-05 06:01:59,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88165176] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:01:59,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149342268] [2024-04-05 06:01:59,030 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 06:01:59,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:01:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:01:59,031 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:01:59,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-05 06:01:59,269 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 06:01:59,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:01:59,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 82 conjunts are in the unsatisfiable core [2024-04-05 06:01:59,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:02:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4637 backedges. 2421 proven. 1441 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-04-05 06:02:03,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:02:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4637 backedges. 2475 proven. 1387 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-04-05 06:02:08,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149342268] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:02:08,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:02:08,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 83, 83] total 241 [2024-04-05 06:02:08,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717217492] [2024-04-05 06:02:08,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:02:08,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2024-04-05 06:02:08,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:02:08,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2024-04-05 06:02:08,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6010, Invalid=51830, Unknown=0, NotChecked=0, Total=57840 [2024-04-05 06:02:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:02:08,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:02:08,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 5.423236514522822) internal successors, (1307), 241 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:02:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:02:08,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:02:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:02:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:02:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:02:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:02:13,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-05 06:02:13,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:02:13,491 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:02:13,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:02:13,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1261024664, now seen corresponding path program 17 times [2024-04-05 06:02:13,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:02:13,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7593828] [2024-04-05 06:02:13,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:02:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:02:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:02:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 1599 proven. 3184 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 06:02:17,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:02:17,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7593828] [2024-04-05 06:02:17,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7593828] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:02:17,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335604810] [2024-04-05 06:02:17,526 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 06:02:17,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:02:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:02:17,527 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:02:17,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-05 06:02:18,216 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-04-05 06:02:18,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:02:18,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 82 conjunts are in the unsatisfiable core [2024-04-05 06:02:18,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:02:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 1726 proven. 3057 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 06:02:22,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:02:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 1879 proven. 2904 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 06:02:26,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335604810] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:02:26,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:02:26,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 204 [2024-04-05 06:02:26,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326075799] [2024-04-05 06:02:26,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:02:26,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2024-04-05 06:02:26,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:02:26,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2024-04-05 06:02:26,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5661, Invalid=35751, Unknown=0, NotChecked=0, Total=41412 [2024-04-05 06:02:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:02:26,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:02:26,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 6.421568627450981) internal successors, (1310), 204 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:02:26,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:02:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:02:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:02:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:02:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:02:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:02:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:02:33,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-04-05 06:02:33,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:02:33,550 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:02:33,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:02:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash 559916370, now seen corresponding path program 18 times [2024-04-05 06:02:33,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:02:33,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771879238] [2024-04-05 06:02:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:02:33,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:02:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:02:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5897 backedges. 3614 proven. 2281 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 06:02:48,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:02:48,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771879238] [2024-04-05 06:02:48,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771879238] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:02:48,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276998278] [2024-04-05 06:02:48,559 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 06:02:48,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:02:48,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:02:48,560 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:02:48,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-05 06:02:51,356 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-04-05 06:02:51,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:02:51,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 90 conjunts are in the unsatisfiable core [2024-04-05 06:02:51,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:02:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5897 backedges. 4192 proven. 1689 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:02:58,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:03:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5897 backedges. 4341 proven. 1540 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:03:07,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276998278] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:03:07,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:03:07,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177, 91, 91] total 352 [2024-04-05 06:03:07,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564483250] [2024-04-05 06:03:07,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:03:07,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 352 states [2024-04-05 06:03:07,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:03:07,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 352 interpolants. [2024-04-05 06:03:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9671, Invalid=113881, Unknown=0, NotChecked=0, Total=123552 [2024-04-05 06:03:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:03:07,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:03:07,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 352 states, 352 states have (on average 5.230113636363637) internal successors, (1841), 352 states have internal predecessors, (1841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:03:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:03:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:03:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:03:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:03:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:03:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:03:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:03:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:03:14,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-05 06:03:14,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:03:14,342 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:03:14,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:03:14,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1963256729, now seen corresponding path program 19 times [2024-04-05 06:03:14,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:03:14,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694667639] [2024-04-05 06:03:14,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:03:14,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:03:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:03:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6404 backedges. 2118 proven. 4279 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 06:03:19,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:03:19,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694667639] [2024-04-05 06:03:19,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694667639] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:03:19,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567871393] [2024-04-05 06:03:19,473 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 06:03:19,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:03:19,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:03:19,474 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:03:19,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-05 06:03:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:03:19,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-05 06:03:19,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:03:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6404 backedges. 3340 proven. 2113 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2024-04-05 06:03:25,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:03:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6404 backedges. 3406 proven. 2047 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2024-04-05 06:03:33,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567871393] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:03:33,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:03:33,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 99, 99] total 288 [2024-04-05 06:03:33,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379577154] [2024-04-05 06:03:33,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:03:33,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 288 states [2024-04-05 06:03:33,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:03:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 288 interpolants. [2024-04-05 06:03:33,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=75753, Unknown=0, NotChecked=0, Total=82656 [2024-04-05 06:03:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:03:33,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:03:33,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 288 states, 288 states have (on average 5.461805555555555) internal successors, (1573), 288 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:03:33,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:03:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:03:33,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:03:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:03:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:03:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:03:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:03:51,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-05 06:03:52,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-04-05 06:03:52,078 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:03:52,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:03:52,079 INFO L85 PathProgramCache]: Analyzing trace with hash -15859344, now seen corresponding path program 20 times [2024-04-05 06:03:52,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:03:52,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140845588] [2024-04-05 06:03:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:03:52,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:03:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:03:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 5494 proven. 2348 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:03:58,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:03:58,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140845588] [2024-04-05 06:03:58,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140845588] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:03:58,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330861596] [2024-04-05 06:03:58,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 06:03:58,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:03:58,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:03:58,375 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:03:58,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-05 06:03:58,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 06:03:58,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:03:58,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 102 conjunts are in the unsatisfiable core [2024-04-05 06:03:58,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:04:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 4052 proven. 2371 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2024-04-05 06:04:04,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:04:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 4191 proven. 2232 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2024-04-05 06:04:12,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330861596] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:04:12,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:04:12,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 103, 103] total 301 [2024-04-05 06:04:12,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131768127] [2024-04-05 06:04:12,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:04:12,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 301 states [2024-04-05 06:04:12,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:04:12,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 301 interpolants. [2024-04-05 06:04:12,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8913, Invalid=81387, Unknown=0, NotChecked=0, Total=90300 [2024-04-05 06:04:12,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:04:12,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:04:12,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 301 states, 301 states have (on average 5.401993355481728) internal successors, (1626), 301 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:04:12,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:04:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:04:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:04:18,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-05 06:04:18,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:04:18,681 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:04:18,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:04:18,681 INFO L85 PathProgramCache]: Analyzing trace with hash -497930723, now seen corresponding path program 21 times [2024-04-05 06:04:18,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:04:18,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302978869] [2024-04-05 06:04:18,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:04:18,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:04:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:04:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 8051 backedges. 5365 proven. 2670 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:04:25,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:04:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302978869] [2024-04-05 06:04:25,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302978869] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:04:25,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620882295] [2024-04-05 06:04:25,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 06:04:25,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:04:25,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:04:25,486 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:04:25,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-05 06:04:28,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2024-04-05 06:04:28,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:04:28,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 108 conjunts are in the unsatisfiable core [2024-04-05 06:04:28,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:04:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8051 backedges. 5307 proven. 2738 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 06:04:34,894 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:04:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8051 backedges. 5620 proven. 2425 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 06:04:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620882295] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:04:43,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:04:43,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 109, 109] total 319 [2024-04-05 06:04:43,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033055102] [2024-04-05 06:04:43,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:04:43,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2024-04-05 06:04:43,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:04:43,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2024-04-05 06:04:43,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7743, Invalid=93699, Unknown=0, NotChecked=0, Total=101442 [2024-04-05 06:04:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:04:43,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:04:43,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 6.636363636363637) internal successors, (2117), 319 states have internal predecessors, (2117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:04:43,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:04:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-04-05 06:04:50,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-05 06:04:50,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-05 06:04:50,960 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:04:50,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:04:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash -954167177, now seen corresponding path program 22 times [2024-04-05 06:04:50,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:04:50,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504191458] [2024-04-05 06:04:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:04:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:04:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:04:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 8461 backedges. 2709 proven. 5737 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 06:04:57,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:04:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504191458] [2024-04-05 06:04:57,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504191458] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:04:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331259973] [2024-04-05 06:04:57,812 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 06:04:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:04:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:04:57,813 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:04:57,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-05 06:04:58,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 06:04:58,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:04:58,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 114 conjunts are in the unsatisfiable core [2024-04-05 06:04:58,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:05:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8461 backedges. 4403 proven. 2913 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-04-05 06:05:05,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:05:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8461 backedges. 4481 proven. 2835 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-04-05 06:05:14,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331259973] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:05:14,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:05:14,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 115, 115] total 332 [2024-04-05 06:05:14,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580567370] [2024-04-05 06:05:14,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:05:14,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 332 states [2024-04-05 06:05:14,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:05:14,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 332 interpolants. [2024-04-05 06:05:14,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9203, Invalid=100689, Unknown=0, NotChecked=0, Total=109892 [2024-04-05 06:05:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:05:14,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:05:14,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 332 states, 332 states have (on average 5.385542168674699) internal successors, (1788), 332 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:05:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:05:15,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:05:15,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:05:15,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:05:15,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:05:15,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-04-05 06:05:15,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:05:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-04-05 06:05:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2024-04-05 06:05:38,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-04-05 06:05:38,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-05 06:05:38,678 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:05:38,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:05:38,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1832025102, now seen corresponding path program 23 times [2024-04-05 06:05:38,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:05:38,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026025925] [2024-04-05 06:05:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:05:38,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:05:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:05:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10109 backedges. 6766 proven. 3327 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 06:05:47,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:05:47,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026025925] [2024-04-05 06:05:47,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026025925] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:05:47,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852058455] [2024-04-05 06:05:47,309 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 06:05:47,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:05:47,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:05:47,310 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:05:47,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-05 06:05:48,645 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2024-04-05 06:05:48,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:05:48,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 174 conjunts are in the unsatisfiable core [2024-04-05 06:05:48,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:06:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10109 backedges. 6760 proven. 3349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 06:06:01,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:06:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10109 backedges. 7057 proven. 3052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 06:06:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852058455] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:06:20,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:06:20,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 175, 175] total 460 [2024-04-05 06:06:20,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706528404] [2024-04-05 06:06:20,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:06:20,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 460 states [2024-04-05 06:06:20,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:06:20,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 460 interpolants. [2024-04-05 06:06:20,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25761, Invalid=185379, Unknown=0, NotChecked=0, Total=211140 [2024-04-05 06:06:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:06:20,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:06:20,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 460 states, 460 states have (on average 5.121739130434783) internal successors, (2356), 460 states have internal predecessors, (2356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:06:20,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2024-04-05 06:06:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:06:42,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2024-04-05 06:06:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-04-05 06:06:42,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-04-05 06:06:43,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:06:43,015 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 06:06:43,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:06:43,016 INFO L85 PathProgramCache]: Analyzing trace with hash 229563623, now seen corresponding path program 24 times [2024-04-05 06:06:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:06:43,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577652512] [2024-04-05 06:06:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:06:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:06:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:06:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19882 backedges. 3372 proven. 13255 refuted. 0 times theorem prover too weak. 3255 trivial. 0 not checked. [2024-04-05 06:06:53,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:06:53,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577652512] [2024-04-05 06:06:53,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577652512] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:06:53,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267817802] [2024-04-05 06:06:53,320 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 06:06:53,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:06:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:06:53,321 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:06:53,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process Received shutdown request... [2024-04-05 06:11:35,465 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 06:11:35,465 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 06:11:35,465 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 06:11:36,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 06:11:36,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-05 06:11:36,669 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forcibly destroying the process [2024-04-05 06:11:36,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 137 [2024-04-05 06:11:36,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 06:11:36,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-05 06:11:36,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2024-04-05 06:11:36,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192106282] [2024-04-05 06:11:36,689 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-05 06:11:36,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-04-05 06:11:36,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:11:36,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-04-05 06:11:36,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1752, Invalid=12290, Unknown=0, NotChecked=0, Total=14042 [2024-04-05 06:11:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:11:36,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:11:36,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 7.100840336134453) internal successors, (845), 119 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 06:11:36,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-04-05 06:11:36,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2024-04-05 06:11:36,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2024-04-05 06:11:36,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:11:36,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-04-05 06:11:36,695 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-05 06:11:36,696 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 06:11:36,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 06:11:36,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 06:11:36,697 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 06:11:36,701 INFO L445 BasicCegarLoop]: Path program histogram: [24, 1, 1] [2024-04-05 06:11:36,703 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 06:11:36,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 06:11:36,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 06:11:36 BasicIcfg [2024-04-05 06:11:36,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 06:11:36,706 INFO L158 Benchmark]: Toolchain (without parser) took 812843.31ms. Allocated memory was 312.5MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 243.6MB in the beginning and 716.2MB in the end (delta: -472.5MB). Peak memory consumption was 870.7MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,706 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 170.9MB. Free memory was 145.9MB in the beginning and 145.8MB in the end (delta: 174.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.44ms. Allocated memory is still 312.5MB. Free memory was 243.4MB in the beginning and 231.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.71ms. Allocated memory is still 312.5MB. Free memory was 231.4MB in the beginning and 229.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,706 INFO L158 Benchmark]: Boogie Preprocessor took 27.28ms. Allocated memory is still 312.5MB. Free memory was 229.1MB in the beginning and 227.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,707 INFO L158 Benchmark]: RCFGBuilder took 490.09ms. Allocated memory is still 312.5MB. Free memory was 227.2MB in the beginning and 246.9MB in the end (delta: -19.6MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,707 INFO L158 Benchmark]: TraceAbstraction took 812093.30ms. Allocated memory was 312.5MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 245.3MB in the beginning and 716.2MB in the end (delta: -470.9MB). Peak memory consumption was 871.3MB. Max. memory is 8.0GB. [2024-04-05 06:11:36,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 170.9MB. Free memory was 145.9MB in the beginning and 145.8MB in the end (delta: 174.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 197.44ms. Allocated memory is still 312.5MB. Free memory was 243.4MB in the beginning and 231.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.71ms. Allocated memory is still 312.5MB. Free memory was 231.4MB in the beginning and 229.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.28ms. Allocated memory is still 312.5MB. Free memory was 229.1MB in the beginning and 227.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 490.09ms. Allocated memory is still 312.5MB. Free memory was 227.2MB in the beginning and 246.9MB in the end (delta: -19.6MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * TraceAbstraction took 812093.30ms. Allocated memory was 312.5MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 245.3MB in the beginning and 716.2MB in the end (delta: -470.9MB). Peak memory consumption was 871.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 575477, independent: 504800, independent conditional: 499789, independent unconditional: 5011, dependent: 70677, dependent conditional: 67272, dependent unconditional: 3405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 506927, independent: 504800, independent conditional: 499789, independent unconditional: 5011, dependent: 2127, dependent conditional: 2073, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 506927, independent: 504800, independent conditional: 499789, independent unconditional: 5011, dependent: 2127, dependent conditional: 2073, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 506927, independent: 504800, independent conditional: 499789, independent unconditional: 5011, dependent: 2127, dependent conditional: 2073, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 522046, independent: 504800, independent conditional: 56375, independent unconditional: 448425, dependent: 17246, dependent conditional: 13488, dependent unconditional: 3758, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 522046, independent: 504800, independent conditional: 51232, independent unconditional: 453568, dependent: 17246, dependent conditional: 396, dependent unconditional: 16850, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522046, independent: 504800, independent conditional: 51232, independent unconditional: 453568, dependent: 17246, dependent conditional: 396, dependent unconditional: 16850, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1027, independent: 1013, independent conditional: 4, independent unconditional: 1009, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1027, independent: 1013, independent conditional: 0, independent unconditional: 1013, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 68, dependent conditional: 20, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 522046, independent: 503787, independent conditional: 51228, independent unconditional: 452559, dependent: 17232, dependent conditional: 388, dependent unconditional: 16844, unknown: 1027, unknown conditional: 12, unknown unconditional: 1015] , Statistics on independence cache: Total cache size (in pairs): 1027, Positive cache size: 1013, Positive conditional cache size: 4, Positive unconditional cache size: 1009, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18235, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 522046, independent: 504800, independent conditional: 56375, independent unconditional: 448425, dependent: 17246, dependent conditional: 13488, dependent unconditional: 3758, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 522046, independent: 504800, independent conditional: 51232, independent unconditional: 453568, dependent: 17246, dependent conditional: 396, dependent unconditional: 16850, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522046, independent: 504800, independent conditional: 51232, independent unconditional: 453568, dependent: 17246, dependent conditional: 396, dependent unconditional: 16850, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1027, independent: 1013, independent conditional: 4, independent unconditional: 1009, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1027, independent: 1013, independent conditional: 0, independent unconditional: 1013, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 68, dependent conditional: 20, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 522046, independent: 503787, independent conditional: 51228, independent unconditional: 452559, dependent: 17232, dependent conditional: 388, dependent unconditional: 16844, unknown: 1027, unknown conditional: 12, unknown unconditional: 1015] , Statistics on independence cache: Total cache size (in pairs): 1027, Positive cache size: 1013, Positive conditional cache size: 4, Positive unconditional cache size: 1009, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18235 ], Independence queries for same thread: 68550 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 184 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 812.0s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 24, EmptinessCheckTime: 182.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 12.8s SatisfiabilityAnalysisTime, 324.9s InterpolantComputationTime, 23560 NumberOfCodeBlocks, 23221 NumberOfCodeBlocksAsserted, 222 NumberOfCheckSat, 34658 ConstructedInterpolants, 0 QuantifiedInterpolants, 205725 SizeOfPredicates, 1516 NumberOfNonLiveVariables, 24762 ConjunctsInSsa, 1518 ConjunctsInUnsatCore, 71 InterpolantComputations, 1 PerfectInterpolantSequences, 162749/264398 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown