/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/parallel-parallel-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 20:29:21,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 20:29:21,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 20:29:21,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 20:29:21,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 20:29:21,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 20:29:21,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 20:29:21,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 20:29:21,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 20:29:21,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 20:29:21,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 20:29:21,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 20:29:21,877 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 20:29:21,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 20:29:21,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 20:29:21,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 20:29:21,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 20:29:21,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 20:29:21,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 20:29:21,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 20:29:21,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 20:29:21,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 20:29:21,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 20:29:21,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 20:29:21,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 20:29:21,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 20:29:21,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 20:29:21,882 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 20:29:21,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 20:29:21,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 20:29:21,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 20:29:21,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 20:29:21,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 20:29:21,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 20:29:21,884 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 20:29:21,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 20:29:21,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 20:29:21,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 20:29:21,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 20:29:21,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 20:29:22,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 20:29:22,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 20:29:22,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 20:29:22,135 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 20:29:22,135 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 20:29:22,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-04-05 20:29:23,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 20:29:23,427 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 20:29:23,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-04-05 20:29:23,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7b8974b3f/73d898fff65b4a8690bd1e927ab8818c/FLAG82d43a55b [2024-04-05 20:29:23,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7b8974b3f/73d898fff65b4a8690bd1e927ab8818c [2024-04-05 20:29:23,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 20:29:23,457 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 20:29:23,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 20:29:23,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 20:29:23,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 20:29:23,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf19a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23, skipping insertion in model container [2024-04-05 20:29:23,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 20:29:23,636 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/parallel-parallel-sum-2.wvr.c[4225,4238] [2024-04-05 20:29:23,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 20:29:23,650 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 20:29:23,669 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/parallel-parallel-sum-2.wvr.c[4225,4238] [2024-04-05 20:29:23,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 20:29:23,678 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 20:29:23,678 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 20:29:23,684 INFO L206 MainTranslator]: Completed translation [2024-04-05 20:29:23,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23 WrapperNode [2024-04-05 20:29:23,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 20:29:23,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 20:29:23,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 20:29:23,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 20:29:23,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,733 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 403 [2024-04-05 20:29:23,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 20:29:23,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 20:29:23,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 20:29:23,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 20:29:23,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 20:29:23,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 20:29:23,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 20:29:23,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 20:29:23,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (1/1) ... [2024-04-05 20:29:23,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 20:29:23,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:23,799 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 20:29:23,806 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 20:29:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 20:29:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 20:29:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 20:29:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 20:29:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 20:29:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 20:29:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 20:29:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 20:29:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 20:29:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 20:29:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-05 20:29:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-05 20:29:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 20:29:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-04-05 20:29:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-04-05 20:29:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-04-05 20:29:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-04-05 20:29:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 20:29:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 20:29:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 20:29:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 20:29:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 20:29:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 20:29:23,861 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 20:29:24,000 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 20:29:24,002 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 20:29:24,406 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 20:29:24,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 20:29:24,568 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-04-05 20:29:24,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:29:24 BoogieIcfgContainer [2024-04-05 20:29:24,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 20:29:24,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 20:29:24,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 20:29:24,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 20:29:24,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 08:29:23" (1/3) ... [2024-04-05 20:29:24,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711b120e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:29:24, skipping insertion in model container [2024-04-05 20:29:24,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:29:23" (2/3) ... [2024-04-05 20:29:24,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711b120e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:29:24, skipping insertion in model container [2024-04-05 20:29:24,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:29:24" (3/3) ... [2024-04-05 20:29:24,576 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-04-05 20:29:24,583 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 20:29:24,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 20:29:24,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 20:29:24,591 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 20:29:24,694 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-04-05 20:29:24,736 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 20:29:24,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 20:29:24,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:24,738 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 20:29:24,748 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 20:29:24,764 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 20:29:24,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:24,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 20:29:24,778 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;@c6dd674, 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 20:29:24,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-04-05 20:29:25,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:25,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:25,085 INFO L85 PathProgramCache]: Analyzing trace with hash -501063113, now seen corresponding path program 1 times [2024-04-05 20:29:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:25,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865882514] [2024-04-05 20:29:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:25,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:25,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865882514] [2024-04-05 20:29:25,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865882514] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:29:25,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 20:29:25,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 20:29:25,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015910683] [2024-04-05 20:29:25,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:29:25,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 20:29:25,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:29:25,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 20:29:25,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 20:29:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:25,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:29:25,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:29:25,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:25,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 20:29:25,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:25,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:25,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1230864671, now seen corresponding path program 1 times [2024-04-05 20:29:25,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:25,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832326251] [2024-04-05 20:29:25,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:26,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832326251] [2024-04-05 20:29:26,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832326251] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:29:26,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 20:29:26,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-04-05 20:29:26,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662884742] [2024-04-05 20:29:26,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:29:26,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-05 20:29:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:29:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-05 20:29:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-04-05 20:29:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:26,700 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:29:26,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 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 20:29:26,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:26,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:27,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 20:29:27,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:27,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:27,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1816775915, now seen corresponding path program 1 times [2024-04-05 20:29:27,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:27,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314728361] [2024-04-05 20:29:27,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:28,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:28,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314728361] [2024-04-05 20:29:28,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314728361] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:29:28,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203145226] [2024-04-05 20:29:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:28,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:29:28,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:28,510 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 20:29:28,544 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 20:29:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:28,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-05 20:29:28,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:29:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:29,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:29:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:29:30,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203145226] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 20:29:30,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 20:29:30,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19, 17] total 38 [2024-04-05 20:29:30,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221269729] [2024-04-05 20:29:30,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:29:30,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-05 20:29:30,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:29:30,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-05 20:29:30,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1235, Unknown=0, NotChecked=0, Total=1406 [2024-04-05 20:29:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:30,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:29:30,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.25) internal successors, (231), 12 states have internal predecessors, (231), 0 states have call successors, (0), 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 20:29:30,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:30,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:30,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:29:30,703 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 20:29:30,900 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 20:29:30,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:30,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:30,901 INFO L85 PathProgramCache]: Analyzing trace with hash 57278693, now seen corresponding path program 1 times [2024-04-05 20:29:30,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:30,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408099389] [2024-04-05 20:29:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:30,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:31,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408099389] [2024-04-05 20:29:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408099389] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:29:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268517064] [2024-04-05 20:29:31,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:31,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:29:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:31,486 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 20:29:31,489 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 20:29:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:31,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 20:29:31,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:29:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:29:31,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 20:29:31,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268517064] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:29:31,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 20:29:31,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-04-05 20:29:31,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812240341] [2024-04-05 20:29:31,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:29:31,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 20:29:31,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:29:31,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 20:29:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-04-05 20:29:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:31,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:29:31,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.5) internal successors, (236), 8 states have internal predecessors, (236), 0 states have call successors, (0), 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 20:29:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 20:29:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:34,069 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 20:29:34,276 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 20:29:34,277 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:34,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:34,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1385633636, now seen corresponding path program 1 times [2024-04-05 20:29:34,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:34,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474245387] [2024-04-05 20:29:34,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:34,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:34,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:34,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474245387] [2024-04-05 20:29:34,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474245387] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:29:34,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115582832] [2024-04-05 20:29:34,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:34,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:29:34,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:34,916 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 20:29:34,944 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 20:29:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:35,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 20:29:35,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:29:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 20:29:35,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 20:29:35,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115582832] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 20:29:35,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 20:29:35,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-04-05 20:29:35,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511080506] [2024-04-05 20:29:35,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 20:29:35,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 20:29:35,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:29:35,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 20:29:35,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-04-05 20:29:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:35,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:29:35,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.5) internal successors, (236), 8 states have internal predecessors, (236), 0 states have call successors, (0), 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 20:29:35,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:35,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:35,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:35,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:35,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:29:36,991 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 20:29:37,188 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 20:29:37,189 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:37,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:37,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1032001360, now seen corresponding path program 1 times [2024-04-05 20:29:37,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:37,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767629949] [2024-04-05 20:29:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:37,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:29:37,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:37,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767629949] [2024-04-05 20:29:37,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767629949] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:29:37,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895371795] [2024-04-05 20:29:37,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:37,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:29:37,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:37,764 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 20:29:37,813 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 20:29:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:37,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 20:29:37,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:29:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:29:38,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:29:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:29:38,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895371795] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:29:38,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:29:38,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 30 [2024-04-05 20:29:38,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209887567] [2024-04-05 20:29:38,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:29:38,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 20:29:38,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:29:38,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 20:29:38,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2024-04-05 20:29:38,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:38,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:29:38,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 16.133333333333333) internal successors, (484), 30 states have internal predecessors, (484), 0 states have call successors, (0), 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 20:29:38,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:38,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:38,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:38,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:38,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:29:38,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:29:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:29:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:29:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:29:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:29:40,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 20:29:40,262 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 20:29:40,263 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:29:40,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:29:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1355962748, now seen corresponding path program 2 times [2024-04-05 20:29:40,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:29:40,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565941806] [2024-04-05 20:29:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:29:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:29:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:29:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:41,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:29:41,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565941806] [2024-04-05 20:29:41,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565941806] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:29:41,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150412806] [2024-04-05 20:29:41,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:29:41,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:29:41,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:29:41,762 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 20:29:41,789 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 20:29:41,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:29:41,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:29:41,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-05 20:29:41,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:29:42,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-04-05 20:29:43,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:29:43,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:29:43,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:29:43,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:29:43,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:29:43,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:29:44,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-04-05 20:29:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:29:44,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:33:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 20:33:29,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150412806] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:33:29,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:33:29,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 34, 23] total 71 [2024-04-05 20:33:29,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441902595] [2024-04-05 20:33:29,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:33:29,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-04-05 20:33:29,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:33:29,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-04-05 20:33:29,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=4385, Unknown=150, NotChecked=0, Total=4970 [2024-04-05 20:33:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:33:29,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:33:29,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 8.943661971830986) internal successors, (635), 71 states have internal predecessors, (635), 0 states have call successors, (0), 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 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:33:29,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:34:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:34:20,256 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 20:34:20,451 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 20:34:20,451 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:34:20,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:34:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1165696600, now seen corresponding path program 3 times [2024-04-05 20:34:20,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:34:20,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734596173] [2024-04-05 20:34:20,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:34:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:34:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:34:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:34:23,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:34:23,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734596173] [2024-04-05 20:34:23,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734596173] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:34:23,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384765331] [2024-04-05 20:34:23,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 20:34:23,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:34:23,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:34:23,303 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 20:34:23,312 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 20:34:23,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-05 20:34:23,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:34:23,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-05 20:34:23,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:34:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 20:34:28,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:34:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-05 20:34:31,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384765331] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:34:31,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:34:31,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 12] total 37 [2024-04-05 20:34:31,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448584678] [2024-04-05 20:34:31,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:34:31,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 20:34:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:34:31,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 20:34:31,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1218, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 20:34:31,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:34:31,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:34:31,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 15.783783783783784) internal successors, (584), 37 states have internal predecessors, (584), 0 states have call successors, (0), 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 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:34:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:35:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:35:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-05 20:35:17,366 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 20:35:17,556 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 20:35:17,557 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:35:17,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:35:17,557 INFO L85 PathProgramCache]: Analyzing trace with hash -640572833, now seen corresponding path program 4 times [2024-04-05 20:35:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:35:17,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743038028] [2024-04-05 20:35:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:35:17,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:35:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:35:26,654 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:35:26,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:35:26,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743038028] [2024-04-05 20:35:26,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743038028] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:35:26,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224510924] [2024-04-05 20:35:26,655 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 20:35:26,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:35:26,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:35:26,656 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 20:35:26,658 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 20:35:26,863 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 20:35:26,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:35:26,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 113 conjunts are in the unsatisfiable core [2024-04-05 20:35:26,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:35:30,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-05 20:35:36,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-04-05 20:35:42,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:35:43,275 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 20:35:43,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-05 20:35:44,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:35:46,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:35:48,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:35:49,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:35:50,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 20:35:57,320 INFO L349 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2024-04-05 20:35:57,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 36 [2024-04-05 20:36:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:36:04,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:36:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 20:36:18,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224510924] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:36:18,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:36:18,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 52, 24] total 97 [2024-04-05 20:36:18,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189680214] [2024-04-05 20:36:18,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:36:18,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-04-05 20:36:18,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:36:18,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-04-05 20:36:18,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=740, Invalid=8572, Unknown=0, NotChecked=0, Total=9312 [2024-04-05 20:36:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:36:18,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:36:18,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 7.371134020618556) internal successors, (715), 97 states have internal predecessors, (715), 0 states have call successors, (0), 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 20:36:18,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:36:18,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-05 20:36:18,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:37:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:37:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:37:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:37:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:37:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:37:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:37:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:37:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-04-05 20:37:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 20:37:24,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-05 20:37:25,040 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 20:37:25,041 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:37:25,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:37:25,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1589000085, now seen corresponding path program 5 times [2024-04-05 20:37:25,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:37:25,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768007654] [2024-04-05 20:37:25,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:37:25,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:37:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:37:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 29 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:37:28,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:37:28,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768007654] [2024-04-05 20:37:28,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768007654] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:37:28,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472018521] [2024-04-05 20:37:28,551 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 20:37:28,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:37:28,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:37:28,552 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 20:37:28,554 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 20:37:28,781 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-05 20:37:28,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:37:28,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 20:37:28,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:37:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-05 20:37:33,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:37:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-04-05 20:37:36,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472018521] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:37:36,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:37:36,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 10] total 40 [2024-04-05 20:37:36,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76975269] [2024-04-05 20:37:36,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:37:36,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-05 20:37:36,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:37:36,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-05 20:37:36,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1393, Unknown=0, NotChecked=0, Total=1560 [2024-04-05 20:37:36,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:37:36,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:37:36,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 14.725) internal successors, (589), 40 states have internal predecessors, (589), 0 states have call successors, (0), 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 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 20:37:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-05 20:38:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:38:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 20:38:06,660 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 20:38:06,850 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 20:38:06,850 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:38:06,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:38:06,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2094454978, now seen corresponding path program 6 times [2024-04-05 20:38:06,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:38:06,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785114621] [2024-04-05 20:38:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:38:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:38:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:38:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:38:10,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:38:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785114621] [2024-04-05 20:38:10,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785114621] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:38:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638590227] [2024-04-05 20:38:10,615 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 20:38:10,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:38:10,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:38:10,616 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 20:38:10,618 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 20:38:10,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-05 20:38:10,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:38:10,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-05 20:38:10,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:38:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 20:38:14,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:38:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-04-05 20:38:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638590227] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:38:16,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:38:16,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 9] total 35 [2024-04-05 20:38:16,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997552622] [2024-04-05 20:38:16,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:38:16,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-05 20:38:16,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:38:16,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-05 20:38:16,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1064, Unknown=0, NotChecked=0, Total=1190 [2024-04-05 20:38:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:16,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:38:16,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 16.02857142857143) internal successors, (561), 35 states have internal predecessors, (561), 0 states have call successors, (0), 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 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 20:38:16,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:38:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 20:38:38,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 20:38:38,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-05 20:38:38,423 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 20:38:38,423 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:38:38,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:38:38,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1705279310, now seen corresponding path program 7 times [2024-04-05 20:38:38,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:38:38,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605682450] [2024-04-05 20:38:38,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:38:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:38:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:38:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 36 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:38:42,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:38:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605682450] [2024-04-05 20:38:42,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605682450] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:38:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512538858] [2024-04-05 20:38:42,391 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 20:38:42,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:38:42,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:38:42,392 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 20:38:42,394 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 20:38:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:38:42,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-05 20:38:42,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:38:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:38:50,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:38:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 85 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:38:58,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512538858] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:38:58,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:38:58,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 61 [2024-04-05 20:38:58,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130127347] [2024-04-05 20:38:58,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:38:58,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-05 20:38:58,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:38:58,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-05 20:38:58,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=3317, Unknown=0, NotChecked=0, Total=3660 [2024-04-05 20:38:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:58,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:38:58,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 12.0) internal successors, (732), 61 states have internal predecessors, (732), 0 states have call successors, (0), 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 20:38:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:38:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:38:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:38:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:38:58,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:38:58,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:38:58,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-05 20:38:58,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:38:58,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 20:38:58,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 20:38:58,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:39:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 20:39:58,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-05 20:39:58,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-05 20:39:58,739 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 20:39:58,931 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 20:39:58,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:39:58,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:39:58,932 INFO L85 PathProgramCache]: Analyzing trace with hash -806038555, now seen corresponding path program 8 times [2024-04-05 20:39:58,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:39:58,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48064264] [2024-04-05 20:39:58,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:39:58,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:39:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:40:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-04-05 20:40:02,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:40:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48064264] [2024-04-05 20:40:02,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48064264] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:40:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337839562] [2024-04-05 20:40:02,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 20:40:02,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:40:02,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:40:02,310 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 20:40:02,311 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 20:40:02,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 20:40:02,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 20:40:02,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 108 conjunts are in the unsatisfiable core [2024-04-05 20:40:02,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:40:18,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 20:40:18,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 17 [2024-04-05 20:40:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 20:40:19,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:40:25,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 20:40:25,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 87 treesize of output 168 [2024-04-05 20:40:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 20:40:29,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337839562] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:40:29,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:40:29,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 34, 25] total 60 [2024-04-05 20:40:29,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888399862] [2024-04-05 20:40:29,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:40:29,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-05 20:40:29,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:40:29,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-05 20:40:29,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3245, Unknown=0, NotChecked=0, Total=3540 [2024-04-05 20:40:29,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:40:29,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:40:29,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 10.333333333333334) internal successors, (620), 60 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-05 20:40:29,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:42:05,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-05 20:42:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-04-05 20:42:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-05 20:42:05,211 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 20:42:05,409 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 20:42:05,409 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-05 20:42:05,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 20:42:05,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1248466321, now seen corresponding path program 1 times [2024-04-05 20:42:05,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 20:42:05,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437263677] [2024-04-05 20:42:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:42:05,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 20:42:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:42:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 23 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:42:32,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 20:42:32,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437263677] [2024-04-05 20:42:32,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437263677] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 20:42:32,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575754621] [2024-04-05 20:42:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 20:42:32,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 20:42:32,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 20:42:32,143 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 20:42:32,144 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 20:42:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 20:42:32,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-05 20:42:32,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 20:43:02,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 20:43:02,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 17 [2024-04-05 20:43:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 20:43:08,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 20:43:22,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 20:43:22,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 86 treesize of output 176 [2024-04-05 20:43:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-05 20:43:28,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575754621] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 20:43:28,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 20:43:28,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 44, 28] total 118 [2024-04-05 20:43:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424868996] [2024-04-05 20:43:28,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 20:43:28,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-04-05 20:43:28,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 20:43:28,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-04-05 20:43:28,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=759, Invalid=13047, Unknown=0, NotChecked=0, Total=13806 [2024-04-05 20:43:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:28,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 20:43:28,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 6.838983050847458) internal successors, (807), 118 states have internal predecessors, (807), 0 states have call successors, (0), 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 20:43:28,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 20:43:28,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 20:43:28,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:43:28,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 20:43:28,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 20:43:28,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-05 20:43:28,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-05 20:43:43,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 20:43:43,561 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 20:43:43,562 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 20:43:43,562 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 20:43:43,746 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 20:43:43,746 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. [2024-04-05 20:43:43,748 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-04-05 20:43:43,748 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork3Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2024-04-05 20:43:43,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork3Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2024-04-05 20:43:43,752 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1, 1] [2024-04-05 20:43:43,754 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 20:43:43,754 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 20:43:43,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 08:43:43 BasicIcfg [2024-04-05 20:43:43,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 20:43:43,756 INFO L158 Benchmark]: Toolchain (without parser) took 860298.92ms. Allocated memory was 306.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 236.7MB in the beginning and 762.8MB in the end (delta: -526.1MB). Peak memory consumption was 879.6MB. Max. memory is 8.0GB. [2024-04-05 20:43:43,756 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 20:43:43,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.64ms. Allocated memory is still 306.2MB. Free memory was 236.5MB in the beginning and 223.4MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-04-05 20:43:43,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 306.2MB. Free memory was 223.2MB in the beginning and 220.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 20:43:43,757 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 306.2MB. Free memory was 220.0MB in the beginning and 217.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 20:43:43,757 INFO L158 Benchmark]: RCFGBuilder took 810.02ms. Allocated memory is still 306.2MB. Free memory was 217.4MB in the beginning and 207.1MB in the end (delta: 10.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2024-04-05 20:43:43,757 INFO L158 Benchmark]: TraceAbstraction took 859184.53ms. Allocated memory was 306.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 206.1MB in the beginning and 762.8MB in the end (delta: -556.8MB). Peak memory consumption was 847.8MB. Max. memory is 8.0GB. [2024-04-05 20:43:43,761 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 189.8MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.64ms. Allocated memory is still 306.2MB. Free memory was 236.5MB in the beginning and 223.4MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 306.2MB. Free memory was 223.2MB in the beginning and 220.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 306.2MB. Free memory was 220.0MB in the beginning and 217.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 810.02ms. Allocated memory is still 306.2MB. Free memory was 217.4MB in the beginning and 207.1MB in the end (delta: 10.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * TraceAbstraction took 859184.53ms. Allocated memory was 306.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 206.1MB in the beginning and 762.8MB in the end (delta: -556.8MB). Peak memory consumption was 847.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2377388, independent: 2229473, independent conditional: 2224478, independent unconditional: 4995, dependent: 147915, dependent conditional: 144142, dependent unconditional: 3773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2236265, independent: 2229473, independent conditional: 2224478, independent unconditional: 4995, dependent: 6792, dependent conditional: 6792, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2236265, independent: 2229473, independent conditional: 2224478, independent unconditional: 4995, dependent: 6792, dependent conditional: 6792, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2236265, independent: 2229473, independent conditional: 2224478, independent unconditional: 4995, dependent: 6792, dependent conditional: 6792, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2270273, independent: 2229473, independent conditional: 29860, independent unconditional: 2199613, dependent: 40800, dependent conditional: 27216, dependent unconditional: 13584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2270273, independent: 2229473, independent conditional: 6512, independent unconditional: 2222961, dependent: 40800, dependent conditional: 19368, dependent unconditional: 21432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2270273, independent: 2229473, independent conditional: 6512, independent unconditional: 2222961, dependent: 40800, dependent conditional: 19368, dependent unconditional: 21432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2875, independent: 2771, independent conditional: 5, independent unconditional: 2766, dependent: 104, dependent conditional: 102, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2875, independent: 2767, independent conditional: 0, independent unconditional: 2767, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 108, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 104, dependent conditional: 102, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 104, dependent conditional: 102, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 252, dependent conditional: 223, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2270273, independent: 2226702, independent conditional: 6507, independent unconditional: 2220195, dependent: 40696, dependent conditional: 19266, dependent unconditional: 21430, unknown: 2875, unknown conditional: 107, unknown unconditional: 2768] , Statistics on independence cache: Total cache size (in pairs): 2875, Positive cache size: 2771, Positive conditional cache size: 5, Positive unconditional cache size: 2766, Negative cache size: 104, Negative conditional cache size: 102, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31196, Maximal queried relation: 12, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2270273, independent: 2229473, independent conditional: 29860, independent unconditional: 2199613, dependent: 40800, dependent conditional: 27216, dependent unconditional: 13584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2270273, independent: 2229473, independent conditional: 6512, independent unconditional: 2222961, dependent: 40800, dependent conditional: 19368, dependent unconditional: 21432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2270273, independent: 2229473, independent conditional: 6512, independent unconditional: 2222961, dependent: 40800, dependent conditional: 19368, dependent unconditional: 21432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2875, independent: 2771, independent conditional: 5, independent unconditional: 2766, dependent: 104, dependent conditional: 102, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2875, independent: 2767, independent conditional: 0, independent unconditional: 2767, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 108, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 104, dependent conditional: 102, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 104, dependent conditional: 102, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 252, dependent conditional: 223, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2270273, independent: 2226702, independent conditional: 6507, independent unconditional: 2220195, dependent: 40696, dependent conditional: 19266, dependent unconditional: 21430, unknown: 2875, unknown conditional: 107, unknown unconditional: 2768] , Statistics on independence cache: Total cache size (in pairs): 2875, Positive cache size: 2771, Positive conditional cache size: 5, Positive unconditional cache size: 2766, Negative cache size: 104, Negative conditional cache size: 102, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31196 ], Independence queries for same thread: 141123 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 161]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 381 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 859.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 394.6s, 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: 1075, 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: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 458.0s InterpolantComputationTime, 6841 NumberOfCodeBlocks, 6825 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 9527 ConstructedInterpolants, 51 QuantifiedInterpolants, 84795 SizeOfPredicates, 307 NumberOfNonLiveVariables, 7884 ConjunctsInSsa, 564 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 1050/2310 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 [2024-04-05 20:43:43,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0