/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 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 20:48:57,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 20:48:57,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 20:48:57,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 20:48:57,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 20:48:57,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 20:48:57,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 20:48:57,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 20:48:57,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 20:48:57,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 20:48:57,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 20:48:57,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 20:48:57,377 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 20:48:57,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 20:48:57,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 20:48:57,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 20:48:57,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 20:48:57,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 20:48:57,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 20:48:57,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 20:48:57,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 20:48:57,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 20:48:57,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 20:48:57,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 20:48:57,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 20:48:57,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 20:48:57,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 20:48:57,382 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 20:48:57,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 20:48:57,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 20:48:57,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 20:48:57,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 20:48:57,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 20:48:57,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 20:48:57,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 20:48:57,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 20:48:57,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 20:48:57,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 20:48:57,641 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 20:48:57,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2024-04-05 20:48:58,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 20:48:58,768 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 20:48:58,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2024-04-05 20:48:58,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/80af5ec06/3a92b4dead9748f09c7e2d3482694535/FLAG9c6299780 [2024-04-05 20:48:58,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/80af5ec06/3a92b4dead9748f09c7e2d3482694535 [2024-04-05 20:48:58,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 20:48:58,786 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 20:48:58,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 20:48:58,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 20:48:58,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 20:48:58,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:58,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b95c93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58, skipping insertion in model container [2024-04-05 20:48:58,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:58,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 20:48:58,940 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-alt2.wvr.c[2525,2538] [2024-04-05 20:48:58,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 20:48:58,954 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 20:48:58,970 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-alt2.wvr.c[2525,2538] [2024-04-05 20:48:58,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 20:48:58,980 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 20:48:58,980 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 20:48:58,985 INFO L206 MainTranslator]: Completed translation [2024-04-05 20:48:58,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58 WrapperNode [2024-04-05 20:48:58,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 20:48:58,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 20:48:58,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 20:48:58,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 20:48:58,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:58,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,019 INFO L138 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 197 [2024-04-05 20:48:59,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 20:48:59,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 20:48:59,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 20:48:59,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 20:48:59,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 20:48:59,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 20:48:59,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 20:48:59,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 20:48:59,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (1/1) ... [2024-04-05 20:48:59,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 20:48:59,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:48:59,109 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 20:48:59,118 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 20:48:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 20:48:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 20:48:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 20:48:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 20:48:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 20:48:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 20:48:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 20:48:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 20:48:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 20:48:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 20:48:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 20:48:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 20:48:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 20:48:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 20:48:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 20:48:59,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 20:48:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 20:48:59,166 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 20:48:59,273 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 20:48:59,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 20:48:59,542 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 20:48:59,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 20:48:59,636 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-05 20:48:59,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:48:59 BoogieIcfgContainer [2024-04-05 20:48:59,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 20:48:59,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 20:48:59,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 20:48:59,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 20:48:59,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 08:48:58" (1/3) ... [2024-04-05 20:48:59,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b797bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:48:59, skipping insertion in model container [2024-04-05 20:48:59,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:48:58" (2/3) ... [2024-04-05 20:48:59,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b797bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:48:59, skipping insertion in model container [2024-04-05 20:48:59,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:48:59" (3/3) ... [2024-04-05 20:48:59,649 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-04-05 20:48:59,655 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 20:48:59,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 20:48:59,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 20:48:59,662 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 20:48:59,723 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 20:48:59,752 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 20:48:59,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 20:48:59,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:48:59,754 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 20:48:59,760 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 20:48:59,791 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 20:48:59,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:48:59,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 20:48:59,808 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;@6b94a9c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 20:48:59,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 20:49:00,387 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 20:49:00,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash 661166984, now seen corresponding path program 1 times [2024-04-05 20:49:00,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:00,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587147859] [2024-04-05 20:49:00,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:00,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-05 20:49:00,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:00,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587147859] [2024-04-05 20:49:00,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587147859] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:49:00,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 20:49:00,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 20:49:00,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471240961] [2024-04-05 20:49:00,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:49:00,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 20:49:00,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:00,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 20:49:00,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 20:49:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:00,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:00,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 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 20:49:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:00,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 20:49:00,849 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 20:49:00,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash 834531780, now seen corresponding path program 1 times [2024-04-05 20:49:00,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:00,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997988528] [2024-04-05 20:49:00,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:00,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 20:49:01,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:01,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997988528] [2024-04-05 20:49:01,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997988528] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:49:01,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 20:49:01,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 20:49:01,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794959512] [2024-04-05 20:49:01,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:49:01,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 20:49:01,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:01,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 20:49:01,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 20:49:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:01,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:01,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 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 20:49:01,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:01,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:01,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 20:49:01,511 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 20:49:01,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash 542111228, now seen corresponding path program 1 times [2024-04-05 20:49:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:01,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369194298] [2024-04-05 20:49:01,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:01,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 20:49:01,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369194298] [2024-04-05 20:49:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369194298] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986561692] [2024-04-05 20:49:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:01,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:01,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:01,894 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 20:49:01,899 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 20:49:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:02,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 20:49:02,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 20:49:02,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 20:49:02,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986561692] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:02,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:02,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-04-05 20:49:02,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880496036] [2024-04-05 20:49:02,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:02,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-05 20:49:02,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:02,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-05 20:49:02,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-04-05 20:49:02,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:02,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:02,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.64) internal successors, (216), 25 states have internal predecessors, (216), 0 states have call successors, (0), 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 20:49:02,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:02,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:02,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:02,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 20:49:03,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 20:49:03,036 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 20:49:03,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:03,036 INFO L85 PathProgramCache]: Analyzing trace with hash -577355212, now seen corresponding path program 2 times [2024-04-05 20:49:03,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:03,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988593082] [2024-04-05 20:49:03,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:03,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 20:49:03,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:03,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988593082] [2024-04-05 20:49:03,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988593082] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:03,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866686409] [2024-04-05 20:49:03,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:49:03,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:03,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:03,242 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 20:49:03,267 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 20:49:03,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:49:03,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:03,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 20:49:03,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 20:49:03,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 20:49:03,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866686409] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:03,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:03,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2024-04-05 20:49:03,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926463159] [2024-04-05 20:49:03,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:03,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-05 20:49:03,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:03,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-05 20:49:03,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2024-04-05 20:49:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:03,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:03,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.80952380952381) internal successors, (185), 21 states have internal predecessors, (185), 0 states have call successors, (0), 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 20:49:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:03,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:04,385 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 20:49:04,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:04,586 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 20:49:04,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:04,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1698109343, now seen corresponding path program 3 times [2024-04-05 20:49:04,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:04,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806683531] [2024-04-05 20:49:04,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:04,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:04,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806683531] [2024-04-05 20:49:04,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806683531] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:04,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193836811] [2024-04-05 20:49:04,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:49:04,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:04,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:04,900 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 20:49:04,920 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 20:49:05,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 20:49:05,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:05,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 20:49:05,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 20:49:05,591 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 20:49:06,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193836811] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:06,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:06,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 42 [2024-04-05 20:49:06,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270621726] [2024-04-05 20:49:06,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:06,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-05 20:49:06,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:06,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-05 20:49:06,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1568, Unknown=0, NotChecked=0, Total=1722 [2024-04-05 20:49:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:06,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:06,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.523809523809524) internal successors, (316), 42 states have internal predecessors, (316), 0 states have call successors, (0), 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 20:49:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:06,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 20:49:09,363 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 20:49:09,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:09,563 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 20:49:09,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2048086887, now seen corresponding path program 4 times [2024-04-05 20:49:09,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:09,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158955235] [2024-04-05 20:49:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 20:49:09,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:09,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158955235] [2024-04-05 20:49:09,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158955235] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:09,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486331125] [2024-04-05 20:49:09,981 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 20:49:09,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:09,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:09,982 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 20:49:10,016 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 20:49:10,083 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 20:49:10,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:10,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 20:49:10,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-05 20:49:10,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-05 20:49:10,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486331125] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:10,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:10,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 49 [2024-04-05 20:49:10,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123610572] [2024-04-05 20:49:10,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:10,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-05 20:49:10,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:10,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-05 20:49:10,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=2022, Unknown=0, NotChecked=0, Total=2352 [2024-04-05 20:49:10,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:10,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:10,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.020408163265306) internal successors, (344), 49 states have internal predecessors, (344), 0 states have call successors, (0), 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 20:49:10,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:10,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:10,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:10,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:10,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 20:49:10,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 20:49:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 20:49:11,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-05 20:49:11,708 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,SelfDestructingSolverStorable5 [2024-04-05 20:49:11,708 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 20:49:11,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:11,709 INFO L85 PathProgramCache]: Analyzing trace with hash -465506095, now seen corresponding path program 5 times [2024-04-05 20:49:11,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:11,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805566213] [2024-04-05 20:49:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 98 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:12,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:12,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805566213] [2024-04-05 20:49:12,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805566213] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:12,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176060522] [2024-04-05 20:49:12,172 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 20:49:12,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:12,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:12,187 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 20:49:12,204 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 20:49:12,306 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-05 20:49:12,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:12,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 20:49:12,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 103 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:49:13,077 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:49:14,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176060522] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:14,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:14,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 31, 31] total 79 [2024-04-05 20:49:14,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616953699] [2024-04-05 20:49:14,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:14,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-05 20:49:14,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:14,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-05 20:49:14,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=843, Invalid=5319, Unknown=0, NotChecked=0, Total=6162 [2024-04-05 20:49:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:14,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:14,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.987341772151899) internal successors, (473), 79 states have internal predecessors, (473), 0 states have call successors, (0), 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 20:49:14,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 20:49:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 20:49:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 20:49:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:15,199 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 20:49:15,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:15,393 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 20:49:15,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:15,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1393982953, now seen corresponding path program 6 times [2024-04-05 20:49:15,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:15,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272959325] [2024-04-05 20:49:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 58 proven. 281 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-05 20:49:15,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272959325] [2024-04-05 20:49:15,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272959325] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482493189] [2024-04-05 20:49:15,932 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 20:49:15,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:15,934 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 20:49:15,952 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 20:49:16,346 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-05 20:49:16,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:16,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-05 20:49:16,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 80 proven. 259 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-05 20:49:16,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 245 proven. 94 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-05 20:49:17,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482493189] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:17,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:17,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-04-05 20:49:17,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672272760] [2024-04-05 20:49:17,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:17,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-05 20:49:17,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:17,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-05 20:49:17,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2024-04-05 20:49:17,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:17,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:17,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.425925925925926) internal successors, (401), 54 states have internal predecessors, (401), 0 states have call successors, (0), 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 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:17,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:18,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:49:18,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 20:49:18,784 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,SelfDestructingSolverStorable7 [2024-04-05 20:49:18,785 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 20:49:18,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1439307673, now seen corresponding path program 7 times [2024-04-05 20:49:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:18,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514958043] [2024-04-05 20:49:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:18,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 91 proven. 348 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 20:49:19,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:19,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514958043] [2024-04-05 20:49:19,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514958043] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:19,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218385871] [2024-04-05 20:49:19,414 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 20:49:19,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:19,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:19,417 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 20:49:19,419 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 20:49:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:19,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-05 20:49:19,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 170 proven. 317 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:20,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 190 proven. 297 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:22,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218385871] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:22,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:22,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 43, 43] total 108 [2024-04-05 20:49:22,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877790013] [2024-04-05 20:49:22,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:22,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-04-05 20:49:22,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:22,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-04-05 20:49:22,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1214, Invalid=10342, Unknown=0, NotChecked=0, Total=11556 [2024-04-05 20:49:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:22,415 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:22,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.694444444444445) internal successors, (615), 108 states have internal predecessors, (615), 0 states have call successors, (0), 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 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:49:22,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:49:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:49:25,839 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 20:49:26,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:26,031 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 20:49:26,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash 16296481, now seen corresponding path program 8 times [2024-04-05 20:49:26,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:26,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665660986] [2024-04-05 20:49:26,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:26,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 132 proven. 463 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 20:49:26,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:26,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665660986] [2024-04-05 20:49:26,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665660986] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:26,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090846863] [2024-04-05 20:49:26,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:49:26,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:26,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:26,806 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 20:49:26,807 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 20:49:26,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:49:26,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:26,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 20:49:26,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 339 proven. 304 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:28,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 412 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:29,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090846863] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:29,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:29,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 37, 37] total 87 [2024-04-05 20:49:29,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114671799] [2024-04-05 20:49:29,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:29,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-05 20:49:29,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:29,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-05 20:49:29,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1253, Invalid=6229, Unknown=0, NotChecked=0, Total=7482 [2024-04-05 20:49:29,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:29,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:29,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 6.689655172413793) internal successors, (582), 87 states have internal predecessors, (582), 0 states have call successors, (0), 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 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:49:29,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:49:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:49:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:49:30,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 20:49:30,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 20:49:30,943 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 20:49:30,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:49:30,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1711597023, now seen corresponding path program 9 times [2024-04-05 20:49:30,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:49:30,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623859598] [2024-04-05 20:49:30,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:49:30,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:49:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:49:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 683 proven. 442 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:49:32,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:49:32,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623859598] [2024-04-05 20:49:32,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623859598] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:49:32,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392293172] [2024-04-05 20:49:32,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:49:32,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:49:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:49:32,463 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 20:49:32,464 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 20:49:32,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-05 20:49:32,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:49:32,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-05 20:49:32,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:49:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 143 proven. 685 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-04-05 20:49:34,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:49:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 11 proven. 745 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 20:49:37,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392293172] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:49:37,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:49:37,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 52, 48] total 144 [2024-04-05 20:49:37,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85702713] [2024-04-05 20:49:37,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:49:37,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-04-05 20:49:37,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:49:37,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-04-05 20:49:37,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1258, Invalid=19334, Unknown=0, NotChecked=0, Total=20592 [2024-04-05 20:49:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:37,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:49:37,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 5.381944444444445) internal successors, (775), 144 states have internal predecessors, (775), 0 states have call successors, (0), 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 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:49:37,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:50:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:50:16,706 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 20:50:16,900 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,SelfDestructingSolverStorable10 [2024-04-05 20:50:16,900 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 20:50:16,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:50:16,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1977033127, now seen corresponding path program 10 times [2024-04-05 20:50:16,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:50:16,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293663378] [2024-04-05 20:50:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:50:16,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:50:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:50:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 2657 proven. 804 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:50:27,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:50:27,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293663378] [2024-04-05 20:50:27,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293663378] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:50:27,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936329399] [2024-04-05 20:50:27,206 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 20:50:27,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:50:27,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:50:27,207 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 20:50:27,208 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 20:50:27,427 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 20:50:27,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:50:27,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-05 20:50:27,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:50:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 1452 proven. 476 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-04-05 20:50:30,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:50:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 1477 proven. 451 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-04-05 20:50:34,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936329399] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:50:34,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:50:34,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [147, 51, 51] total 241 [2024-04-05 20:50:34,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140442018] [2024-04-05 20:50:34,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:50:34,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2024-04-05 20:50:34,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:50:34,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2024-04-05 20:50:34,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4382, Invalid=53458, Unknown=0, NotChecked=0, Total=57840 [2024-04-05 20:50:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:34,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:50:34,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 3.759336099585062) internal successors, (906), 241 states have internal predecessors, (906), 0 states have call successors, (0), 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 20:50:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:50:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:50:37,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:50:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:50:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:50:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:50:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:50:37,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-05 20:50:37,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:50:37,331 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 20:50:37,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:50:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash 411554449, now seen corresponding path program 11 times [2024-04-05 20:50:37,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:50:37,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756685720] [2024-04-05 20:50:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:50:37,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:50:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:50:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 2657 proven. 893 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:50:47,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:50:47,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756685720] [2024-04-05 20:50:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756685720] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:50:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736495977] [2024-04-05 20:50:47,252 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 20:50:47,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:50:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:50:47,253 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 20:50:47,254 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 20:50:47,605 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-04-05 20:50:47,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:50:47,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 68 conjunts are in the unsatisfiable core [2024-04-05 20:50:47,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:50:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 3003 proven. 540 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 20:50:52,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:50:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 3003 proven. 540 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 20:50:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736495977] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:50:58,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:50:58,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 69, 69] total 280 [2024-04-05 20:50:58,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979621991] [2024-04-05 20:50:58,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:50:58,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 280 states [2024-04-05 20:50:58,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:50:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 280 interpolants. [2024-04-05 20:50:58,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6432, Invalid=71688, Unknown=0, NotChecked=0, Total=78120 [2024-04-05 20:50:58,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:58,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:50:58,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 280 states, 280 states have (on average 4.832142857142857) internal successors, (1353), 280 states have internal predecessors, (1353), 0 states have call successors, (0), 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 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:50:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:51:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:51:01,920 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 20:51:02,112 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,SelfDestructingSolverStorable12 [2024-04-05 20:51:02,112 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 20:51:02,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:51:02,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1836684369, now seen corresponding path program 12 times [2024-04-05 20:51:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:51:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012276470] [2024-04-05 20:51:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:51:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:51:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:51:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4551 backedges. 2858 proven. 1692 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:51:06,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:51:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012276470] [2024-04-05 20:51:06,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012276470] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:51:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668632790] [2024-04-05 20:51:06,200 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 20:51:06,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:51:06,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:51:06,201 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 20:51:06,203 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 20:51:08,719 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-04-05 20:51:08,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:51:08,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 96 conjunts are in the unsatisfiable core [2024-04-05 20:51:08,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:51:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4551 backedges. 2216 proven. 1636 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-04-05 20:51:12,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:51:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4551 backedges. 2163 proven. 1826 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-04-05 20:51:18,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668632790] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:51:18,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:51:18,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 87, 90] total 257 [2024-04-05 20:51:18,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851008248] [2024-04-05 20:51:18,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:51:18,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2024-04-05 20:51:18,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:51:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2024-04-05 20:51:18,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6600, Invalid=59192, Unknown=0, NotChecked=0, Total=65792 [2024-04-05 20:51:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:18,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:51:18,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 4.945525291828794) internal successors, (1271), 257 states have internal predecessors, (1271), 0 states have call successors, (0), 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 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:51:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:51:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:51:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:51:22,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-05 20:51:23,138 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,SelfDestructingSolverStorable13 [2024-04-05 20:51:23,138 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 20:51:23,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:51:23,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1331752823, now seen corresponding path program 13 times [2024-04-05 20:51:23,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:51:23,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060548734] [2024-04-05 20:51:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:51:23,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:51:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:51:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 1546 proven. 3165 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:51:27,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:51:27,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060548734] [2024-04-05 20:51:27,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060548734] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:51:27,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979198119] [2024-04-05 20:51:27,242 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 20:51:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:51:27,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:51:27,243 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 20:51:27,244 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 20:51:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:51:27,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 90 conjunts are in the unsatisfiable core [2024-04-05 20:51:27,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:51:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2312 proven. 1751 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-04-05 20:51:32,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:51:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2362 proven. 1701 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-04-05 20:51:38,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979198119] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:51:38,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:51:38,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 91, 91] total 264 [2024-04-05 20:51:38,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720000672] [2024-04-05 20:51:38,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:51:38,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2024-04-05 20:51:38,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:51:38,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2024-04-05 20:51:38,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5834, Invalid=63598, Unknown=0, NotChecked=0, Total=69432 [2024-04-05 20:51:38,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:38,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:51:38,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 5.0643939393939394) internal successors, (1337), 264 states have internal predecessors, (1337), 0 states have call successors, (0), 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 20:51:38,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:38,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:51:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:51:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:51:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:51:54,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-05 20:51:54,212 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,SelfDestructingSolverStorable14 [2024-04-05 20:51:54,213 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 20:51:54,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:51:54,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1203516865, now seen corresponding path program 14 times [2024-04-05 20:51:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:51:54,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147095390] [2024-04-05 20:51:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:51:54,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:51:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:51:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 1707 proven. 3481 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:51:58,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:51:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147095390] [2024-04-05 20:51:58,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147095390] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:51:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41825445] [2024-04-05 20:51:58,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:51:58,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:51:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:51:58,761 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 20:51:58,761 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 20:51:59,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:51:59,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:51:59,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 94 conjunts are in the unsatisfiable core [2024-04-05 20:51:59,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:52:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 2514 proven. 1976 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-04-05 20:52:04,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:52:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 2620 proven. 1870 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-04-05 20:52:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41825445] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:52:11,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:52:11,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 95, 95] total 276 [2024-04-05 20:52:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496623987] [2024-04-05 20:52:11,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:52:11,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 276 states [2024-04-05 20:52:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:52:11,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 276 interpolants. [2024-04-05 20:52:11,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6308, Invalid=69592, Unknown=0, NotChecked=0, Total=75900 [2024-04-05 20:52:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:52:11,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:52:11,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 276 states, 276 states have (on average 5.057971014492754) internal successors, (1396), 276 states have internal predecessors, (1396), 0 states have call successors, (0), 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 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:52:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:52:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-05 20:52:28,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-05 20:52:28,265 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,SelfDestructingSolverStorable15 [2024-04-05 20:52:28,265 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 20:52:28,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:52:28,265 INFO L85 PathProgramCache]: Analyzing trace with hash -489189639, now seen corresponding path program 15 times [2024-04-05 20:52:28,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:52:28,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351370072] [2024-04-05 20:52:28,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:52:28,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:52:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:52:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5689 backedges. 1876 proven. 3812 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:52:33,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:52:33,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351370072] [2024-04-05 20:52:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351370072] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:52:33,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433825594] [2024-04-05 20:52:33,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:52:33,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:52:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:52:33,240 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 20:52:33,242 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 20:52:37,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2024-04-05 20:52:37,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:52:37,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 94 conjunts are in the unsatisfiable core [2024-04-05 20:52:37,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:52:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5689 backedges. 154 proven. 3487 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2024-04-05 20:52:43,165 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:52:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5689 backedges. 585 proven. 106 refuted. 0 times theorem prover too weak. 4998 trivial. 0 not checked. [2024-04-05 20:52:44,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433825594] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:52:44,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:52:44,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 17] total 202 [2024-04-05 20:52:44,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073393413] [2024-04-05 20:52:44,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:52:44,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-04-05 20:52:44,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:52:44,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-04-05 20:52:44,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1828, Invalid=38774, Unknown=0, NotChecked=0, Total=40602 [2024-04-05 20:52:44,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:52:44,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:52:44,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 5.326732673267327) internal successors, (1076), 202 states have internal predecessors, (1076), 0 states have call successors, (0), 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 20:52:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:52:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:52:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:52:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:52:44,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-05 20:52:44,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:53:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:53:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-05 20:53:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2024-04-05 20:53:22,975 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 20:53:23,172 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,SelfDestructingSolverStorable16 [2024-04-05 20:53:23,172 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 20:53:23,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:53:23,173 INFO L85 PathProgramCache]: Analyzing trace with hash -512127649, now seen corresponding path program 16 times [2024-04-05 20:53:23,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:53:23,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337375872] [2024-04-05 20:53:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:53:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:53:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:53:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6264 backedges. 4033 proven. 2223 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 20:53:28,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:53:28,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337375872] [2024-04-05 20:53:28,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337375872] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:53:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122749574] [2024-04-05 20:53:28,664 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 20:53:28,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:53:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:53:28,665 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 20:53:28,666 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 20:53:28,916 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 20:53:28,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:53:28,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-05 20:53:28,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:53:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6264 backedges. 3087 proven. 2102 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-04-05 20:53:34,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:53:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6264 backedges. 3142 proven. 2047 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-04-05 20:53:40,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122749574] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:53:40,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:53:40,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 99, 99] total 289 [2024-04-05 20:53:40,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410661578] [2024-04-05 20:53:40,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:53:40,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 289 states [2024-04-05 20:53:40,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:53:40,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 289 interpolants. [2024-04-05 20:53:41,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8530, Invalid=74702, Unknown=0, NotChecked=0, Total=83232 [2024-04-05 20:53:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:53:41,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:53:41,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 289 states, 289 states have (on average 4.868512110726644) internal successors, (1407), 289 states have internal predecessors, (1407), 0 states have call successors, (0), 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 20:53:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:53:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:53:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2024-04-05 20:53:41,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:53:46,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2024-04-05 20:53:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:53:46,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-05 20:53:46,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 20:53:46,368 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 20:53:46,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:53:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1783290407, now seen corresponding path program 17 times [2024-04-05 20:53:46,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:53:46,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148661847] [2024-04-05 20:53:46,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:53:46,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:53:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:53:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6449 backedges. 3757 proven. 2684 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 20:53:52,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:53:52,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148661847] [2024-04-05 20:53:52,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148661847] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:53:52,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780995853] [2024-04-05 20:53:52,219 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 20:53:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:53:52,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:53:52,220 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 20:53:52,222 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 20:53:53,135 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-04-05 20:53:53,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:53:53,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 146 conjunts are in the unsatisfiable core [2024-04-05 20:53:53,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:54:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6449 backedges. 0 proven. 4217 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2024-04-05 20:54:06,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:54:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6449 backedges. 3707 proven. 510 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2024-04-05 20:54:24,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780995853] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:54:24,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:54:24,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 147, 125] total 371 [2024-04-05 20:54:24,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110739082] [2024-04-05 20:54:24,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:54:24,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 371 states [2024-04-05 20:54:24,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:54:24,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 371 interpolants. [2024-04-05 20:54:24,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8390, Invalid=128880, Unknown=0, NotChecked=0, Total=137270 [2024-04-05 20:54:24,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:54:24,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:54:24,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 371 states, 371 states have (on average 3.973045822102426) internal successors, (1474), 371 states have internal predecessors, (1474), 0 states have call successors, (0), 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 20:54:24,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:54:24,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:54:24,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:54:24,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 20:54:24,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:54:24,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-05 20:54:24,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:57:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:57:19,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-05 20:57:19,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:57:19,681 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 20:57:19,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:57:19,681 INFO L85 PathProgramCache]: Analyzing trace with hash 477639700, now seen corresponding path program 18 times [2024-04-05 20:57:19,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:57:19,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455353901] [2024-04-05 20:57:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:57:19,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:57:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:57:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8607 backedges. 5943 proven. 2641 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-05 20:57:27,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:57:27,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455353901] [2024-04-05 20:57:27,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455353901] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:57:27,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692290824] [2024-04-05 20:57:27,035 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 20:57:27,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:57:27,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:57:27,036 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 20:57:27,037 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 20:57:32,763 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2024-04-05 20:57:32,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:57:32,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-05 20:57:32,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:57:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8607 backedges. 5235 proven. 3361 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 20:57:39,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:57:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8607 backedges. 6171 proven. 2425 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 20:57:46,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692290824] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:57:46,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:57:46,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 117, 117] total 290 [2024-04-05 20:57:46,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366943537] [2024-04-05 20:57:46,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:57:46,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 290 states [2024-04-05 20:57:46,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:57:46,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants. [2024-04-05 20:57:46,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11447, Invalid=72363, Unknown=0, NotChecked=0, Total=83810 [2024-04-05 20:57:46,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:57:46,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:57:46,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 290 states, 290 states have (on average 5.731034482758621) internal successors, (1662), 290 states have internal predecessors, (1662), 0 states have call successors, (0), 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 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:57:46,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:57:46,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:57:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:57:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-05 20:57:51,789 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 20:57:51,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:57:51,978 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 20:57:51,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:57:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1290423964, now seen corresponding path program 19 times [2024-04-05 20:57:51,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:57:51,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705882939] [2024-04-05 20:57:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:57:51,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:57:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:58:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9933 backedges. 3282 proven. 6642 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 20:58:00,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:58:00,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705882939] [2024-04-05 20:58:00,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705882939] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:58:00,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998898108] [2024-04-05 20:58:00,736 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 20:58:00,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:58:00,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:58:00,737 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 20:58:00,738 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 20:58:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:58:01,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 1908 conjuncts, 130 conjunts are in the unsatisfiable core [2024-04-05 20:58:01,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:58:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 9933 backedges. 4845 proven. 3826 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2024-04-05 20:58:10,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:58:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9933 backedges. 4920 proven. 3751 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2024-04-05 20:58:22,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998898108] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:58:22,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:58:22,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [123, 131, 131] total 380 [2024-04-05 20:58:22,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151559520] [2024-04-05 20:58:22,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:58:22,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 380 states [2024-04-05 20:58:22,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:58:22,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 380 interpolants. [2024-04-05 20:58:22,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11955, Invalid=132065, Unknown=0, NotChecked=0, Total=144020 [2024-04-05 20:58:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:58:22,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:58:22,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 380 states, 380 states have (on average 4.868421052631579) internal successors, (1850), 380 states have internal predecessors, (1850), 0 states have call successors, (0), 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 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:58:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:58:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:58:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:58:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:58:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:58:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-05 20:58:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:58:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:58:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-05 20:58:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 20:58:52,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-04-05 20:58:52,591 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,SelfDestructingSolverStorable20 [2024-04-05 20:58:52,592 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 20:58:52,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:58:52,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2066780260, now seen corresponding path program 20 times [2024-04-05 20:58:52,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:58:52,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013290255] [2024-04-05 20:58:52,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:58:52,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:58:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:59:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12024 backedges. 7365 proven. 4636 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-05 20:59:03,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:59:03,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013290255] [2024-04-05 20:59:03,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013290255] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:59:03,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414647737] [2024-04-05 20:59:03,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:59:03,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:59:03,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:59:03,368 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 20:59:03,368 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 20:59:03,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:59:03,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:59:03,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 2090 conjuncts, 134 conjunts are in the unsatisfiable core [2024-04-05 20:59:03,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:59:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12024 backedges. 5871 proven. 4156 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2024-04-05 20:59:13,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:59:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12024 backedges. 6027 proven. 4000 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2024-04-05 20:59:25,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414647737] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:59:25,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:59:25,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 135] total 397 [2024-04-05 20:59:25,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870731491] [2024-04-05 20:59:25,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:59:25,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 397 states [2024-04-05 20:59:25,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:59:25,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 397 interpolants. [2024-04-05 20:59:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15688, Invalid=141524, Unknown=0, NotChecked=0, Total=157212 [2024-04-05 20:59:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:59:25,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:59:25,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 397 states, 397 states have (on average 4.755667506297229) internal successors, (1888), 397 states have internal predecessors, (1888), 0 states have call successors, (0), 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 20:59:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-05 20:59:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:59:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 20:59:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-05 20:59:35,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-04-05 20:59:35,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:59:35,491 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 20:59:35,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:59:35,491 INFO L85 PathProgramCache]: Analyzing trace with hash 191412692, now seen corresponding path program 21 times [2024-04-05 20:59:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:59:35,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42825223] [2024-04-05 20:59:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:59:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:59:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:59:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 7356 proven. 4914 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 20:59:46,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:59:46,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42825223] [2024-04-05 20:59:46,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42825223] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:59:46,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825432979] [2024-04-05 20:59:46,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:59:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:59:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:59:46,765 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 20:59:46,766 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 21:00:04,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 34 check-sat command(s) [2024-04-05 21:00:04,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:00:04,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 144 conjunts are in the unsatisfiable core [2024-04-05 21:00:04,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:00:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 7362 proven. 4908 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 21:00:14,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:00:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 8013 proven. 4257 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-05 21:00:23,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825432979] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:00:23,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:00:23,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 139, 139] total 348 [2024-04-05 21:00:23,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452966707] [2024-04-05 21:00:23,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:00:23,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 348 states [2024-04-05 21:00:23,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:00:23,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 348 interpolants. [2024-04-05 21:00:23,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15569, Invalid=105187, Unknown=0, NotChecked=0, Total=120756 [2024-04-05 21:00:23,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:00:23,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:00:23,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 348 states, 348 states have (on average 5.5344827586206895) internal successors, (1926), 348 states have internal predecessors, (1926), 0 states have call successors, (0), 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 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 21:00:23,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-05 21:00:23,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-05 21:00:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-05 21:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-05 21:00:30,222 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 21:00:30,407 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,SelfDestructingSolverStorable22 [2024-04-05 21:00:30,407 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 21:00:30,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:00:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash 537938956, now seen corresponding path program 22 times [2024-04-05 21:00:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:00:30,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130295410] [2024-04-05 21:00:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:00:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:00:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:00:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12546 backedges. 4262 proven. 8283 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:00:41,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:00:41,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130295410] [2024-04-05 21:00:41,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130295410] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:00:41,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855384332] [2024-04-05 21:00:41,717 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 21:00:41,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:00:41,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:00:41,718 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 21:00:41,720 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 21:00:42,056 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 21:00:42,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:00:42,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 142 conjunts are in the unsatisfiable core [2024-04-05 21:00:42,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:00:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12546 backedges. 6098 proven. 4688 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-04-05 21:00:53,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:01:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12546 backedges. 6264 proven. 4522 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-04-05 21:01:07,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855384332] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:01:07,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:01:07,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 143, 143] total 420 [2024-04-05 21:01:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345438647] [2024-04-05 21:01:07,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:01:07,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 420 states [2024-04-05 21:01:07,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:01:07,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 420 interpolants. [2024-04-05 21:01:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14318, Invalid=161662, Unknown=0, NotChecked=0, Total=175980 [2024-04-05 21:01:07,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:01:07,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:01:07,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 420 states, 420 states have (on average 4.854761904761904) internal successors, (2039), 420 states have internal predecessors, (2039), 0 states have call successors, (0), 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 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-05 21:01:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-05 21:01:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 21:01:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-05 21:01:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-05 21:01:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 21:01:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-05 21:01:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-05 21:01:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 457 states. [2024-04-05 21:01:43,810 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 21:01:44,004 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,SelfDestructingSolverStorable23 [2024-04-05 21:01:44,004 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 21:01:44,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:01:44,005 INFO L85 PathProgramCache]: Analyzing trace with hash -879013308, now seen corresponding path program 23 times [2024-04-05 21:01:44,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:01:44,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994943156] [2024-04-05 21:01:44,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:01:44,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:01:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:01:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14901 backedges. 9803 proven. 5075 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-05 21:01:57,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:01:57,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994943156] [2024-04-05 21:01:57,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994943156] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:01:57,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600193243] [2024-04-05 21:01:57,098 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 21:01:57,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:01:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:01:57,099 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 21:01:57,100 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 21:02:00,401 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 38 check-sat command(s) [2024-04-05 21:02:00,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:02:00,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 148 conjunts are in the unsatisfiable core [2024-04-05 21:02:00,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2024-04-05 21:02:02,026 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 21:02:02,029 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 21:02:02,029 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 21:02:02,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-05 21:02:02,056 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 21:02:02,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:02:02,237 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 943 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-04-05 21:02:02,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 21:02:02,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 21:02:02,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 21:02:02,241 INFO L445 BasicCegarLoop]: Path program histogram: [23, 1, 1] [2024-04-05 21:02:02,243 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 21:02:02,244 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 21:02:02,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 09:02:02 BasicIcfg [2024-04-05 21:02:02,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 21:02:02,246 INFO L158 Benchmark]: Toolchain (without parser) took 783459.91ms. Allocated memory was 282.1MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 214.4MB in the beginning and 921.7MB in the end (delta: -707.3MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-04-05 21:02:02,246 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 21:02:02,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.12ms. Allocated memory is still 282.1MB. Free memory was 214.2MB in the beginning and 202.3MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 21:02:02,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.22ms. Allocated memory is still 282.1MB. Free memory was 202.1MB in the beginning and 199.9MB in the end (delta: 2.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 21:02:02,247 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 282.1MB. Free memory was 199.9MB in the beginning and 198.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 21:02:02,247 INFO L158 Benchmark]: RCFGBuilder took 589.54ms. Allocated memory is still 282.1MB. Free memory was 198.1MB in the beginning and 216.0MB in the end (delta: -17.9MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. [2024-04-05 21:02:02,247 INFO L158 Benchmark]: TraceAbstraction took 782606.67ms. Allocated memory was 282.1MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 214.4MB in the beginning and 921.7MB in the end (delta: -707.3MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-04-05 21:02:02,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 199.12ms. Allocated memory is still 282.1MB. Free memory was 214.2MB in the beginning and 202.3MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.22ms. Allocated memory is still 282.1MB. Free memory was 202.1MB in the beginning and 199.9MB in the end (delta: 2.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 282.1MB. Free memory was 199.9MB in the beginning and 198.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 589.54ms. Allocated memory is still 282.1MB. Free memory was 198.1MB in the beginning and 216.0MB in the end (delta: -17.9MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. * TraceAbstraction took 782606.67ms. Allocated memory was 282.1MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 214.4MB in the beginning and 921.7MB in the end (delta: -707.3MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 363418, independent: 314385, independent conditional: 309992, independent unconditional: 4393, dependent: 49033, dependent conditional: 45976, dependent unconditional: 3057, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314683, independent: 314385, independent conditional: 309992, independent unconditional: 4393, dependent: 298, dependent conditional: 298, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 314683, independent: 314385, independent conditional: 309992, independent unconditional: 4393, dependent: 298, dependent conditional: 298, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 314683, independent: 314385, independent conditional: 309992, independent unconditional: 4393, dependent: 298, dependent conditional: 298, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 316761, independent: 314385, independent conditional: 46374, independent unconditional: 268011, dependent: 2376, dependent conditional: 1780, dependent unconditional: 596, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 316761, independent: 314385, independent conditional: 44694, independent unconditional: 269691, dependent: 2376, dependent conditional: 544, dependent unconditional: 1832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 316761, independent: 314385, independent conditional: 44694, independent unconditional: 269691, dependent: 2376, dependent conditional: 544, dependent unconditional: 1832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 898, independent: 874, independent conditional: 0, independent unconditional: 874, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 898, independent: 874, independent conditional: 0, independent unconditional: 874, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 158, dependent conditional: 84, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 316761, independent: 313511, independent conditional: 44694, independent unconditional: 268817, dependent: 2352, dependent conditional: 522, dependent unconditional: 1830, unknown: 898, unknown conditional: 22, unknown unconditional: 876] , Statistics on independence cache: Total cache size (in pairs): 898, Positive cache size: 874, Positive conditional cache size: 0, Positive unconditional cache size: 874, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2916, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 316761, independent: 314385, independent conditional: 46374, independent unconditional: 268011, dependent: 2376, dependent conditional: 1780, dependent unconditional: 596, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 316761, independent: 314385, independent conditional: 44694, independent unconditional: 269691, dependent: 2376, dependent conditional: 544, dependent unconditional: 1832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 316761, independent: 314385, independent conditional: 44694, independent unconditional: 269691, dependent: 2376, dependent conditional: 544, dependent unconditional: 1832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 898, independent: 874, independent conditional: 0, independent unconditional: 874, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 898, independent: 874, independent conditional: 0, independent unconditional: 874, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 158, dependent conditional: 84, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 316761, independent: 313511, independent conditional: 44694, independent unconditional: 268817, dependent: 2352, dependent conditional: 522, dependent unconditional: 1830, unknown: 898, unknown conditional: 22, unknown unconditional: 876] , Statistics on independence cache: Total cache size (in pairs): 898, Positive cache size: 874, Positive conditional cache size: 0, Positive unconditional cache size: 874, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2916 ], Independence queries for same thread: 48735 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 943 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 943 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 943 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 943 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 782.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 399.6s, 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: 4815, 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: 1.4s SsaConstructionTime, 33.5s SatisfiabilityAnalysisTime, 322.5s InterpolantComputationTime, 21872 NumberOfCodeBlocks, 21504 NumberOfCodeBlocksAsserted, 223 NumberOfCheckSat, 32606 ConstructedInterpolants, 0 QuantifiedInterpolants, 181214 SizeOfPredicates, 1632 NumberOfNonLiveVariables, 23956 ConjunctsInSsa, 1649 ConjunctsInUnsatCore, 68 InterpolantComputations, 2 PerfectInterpolantSequences, 179241/295062 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