/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 06:41:49,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 06:41:49,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 06:41:49,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 06:41:49,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 06:41:49,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 06:41:49,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 06:41:49,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 06:41:49,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 06:41:49,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 06:41:49,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 06:41:49,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 06:41:49,756 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 06:41:49,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 06:41:49,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 06:41:49,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 06:41:49,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 06:41:49,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 06:41:49,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 06:41:49,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 06:41:49,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 06:41:49,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 06:41:49,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 06:41:49,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 06:41:49,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 06:41:49,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 06:41:49,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 06:41:49,766 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 06:41:49,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 06:41:49,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 06:41:49,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 06:41:49,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 06:41:49,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 06:41:49,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 06:41:49,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 06:41:49,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 06:41:49,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 06:41:49,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 06:41:49,969 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 06:41:49,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-05-08 06:41:51,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 06:41:51,360 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 06:41:51,360 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-05-08 06:41:51,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3b89e8219/074546ef214b4593b9eabc2dd3d8b5d2/FLAGff1d27c04 [2024-05-08 06:41:51,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3b89e8219/074546ef214b4593b9eabc2dd3d8b5d2 [2024-05-08 06:41:51,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 06:41:51,385 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 06:41:51,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 06:41:51,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 06:41:51,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 06:41:51,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:51,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4741c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51, skipping insertion in model container [2024-05-08 06:41:51,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:51,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 06:41:51,742 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2024-05-08 06:41:51,757 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,758 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,758 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,759 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 06:41:51,822 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 06:41:51,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2024-05-08 06:41:51,849 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,849 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,850 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,850 WARN L1590 CHandler]: Possible shadowing of function new [2024-05-08 06:41:51,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 06:41:51,960 INFO L206 MainTranslator]: Completed translation [2024-05-08 06:41:51,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51 WrapperNode [2024-05-08 06:41:51,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 06:41:51,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 06:41:51,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 06:41:51,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 06:41:51,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,052 INFO L138 Inliner]: procedures = 280, calls = 55, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 243 [2024-05-08 06:41:52,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 06:41:52,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 06:41:52,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 06:41:52,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 06:41:52,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 06:41:52,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 06:41:52,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 06:41:52,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 06:41:52,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (1/1) ... [2024-05-08 06:41:52,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 06:41:52,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:52,156 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) [2024-05-08 06:41:52,201 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 [2024-05-08 06:41:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-08 06:41:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-08 06:41:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 06:41:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-05-08 06:41:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-05-08 06:41:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-05-08 06:41:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 06:41:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 06:41:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 06:41:52,229 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 06:41:52,381 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 06:41:52,383 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 06:41:52,637 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 06:41:52,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 06:41:52,658 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2024-05-08 06:41:52,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 06:41:52 BoogieIcfgContainer [2024-05-08 06:41:52,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 06:41:52,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 06:41:52,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 06:41:52,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 06:41:52,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 06:41:51" (1/3) ... [2024-05-08 06:41:52,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eef1da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 06:41:52, skipping insertion in model container [2024-05-08 06:41:52,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 06:41:51" (2/3) ... [2024-05-08 06:41:52,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eef1da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 06:41:52, skipping insertion in model container [2024-05-08 06:41:52,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 06:41:52" (3/3) ... [2024-05-08 06:41:52,665 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-05-08 06:41:52,672 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 06:41:52,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 06:41:52,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 06:41:52,679 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 06:41:52,744 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-05-08 06:41:52,777 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 06:41:52,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 06:41:52,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:52,780 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) [2024-05-08 06:41:52,813 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 [2024-05-08 06:41:52,853 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 06:41:52,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:52,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 06:41:52,903 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;@2935fecb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 06:41:52,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-08 06:41:52,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:52,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:52,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1986412387, now seen corresponding path program 1 times [2024-05-08 06:41:52,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:52,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68540861] [2024-05-08 06:41:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:52,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 06:41:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 06:41:53,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 06:41:53,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68540861] [2024-05-08 06:41:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68540861] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 06:41:53,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 06:41:53,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-08 06:41:53,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922705356] [2024-05-08 06:41:53,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 06:41:53,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-08 06:41:53,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 06:41:53,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-08 06:41:53,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-08 06:41:53,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:53,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 06:41:53,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 06:41:53,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:53,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 06:41:53,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:53,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:53,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1718999539, now seen corresponding path program 1 times [2024-05-08 06:41:53,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:53,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551110953] [2024-05-08 06:41:53,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:53,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 06:41:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 06:41:53,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 06:41:53,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551110953] [2024-05-08 06:41:53,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551110953] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 06:41:53,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 06:41:53,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-08 06:41:53,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213557589] [2024-05-08 06:41:53,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 06:41:53,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-08 06:41:53,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 06:41:53,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-08 06:41:53,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-08 06:41:53,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:53,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 06:41:53,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 06:41:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:53,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:53,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-08 06:41:53,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:53,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:53,537 INFO L85 PathProgramCache]: Analyzing trace with hash 275950417, now seen corresponding path program 1 times [2024-05-08 06:41:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123790521] [2024-05-08 06:41:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:53,563 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-08 06:41:53,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638174605] [2024-05-08 06:41:53,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:53,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 06:41:53,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:53,618 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) [2024-05-08 06:41:53,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-08 06:41:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 06:41:53,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-08 06:41:53,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 06:41:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 06:41:53,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 06:41:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 06:41:53,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 06:41:53,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123790521] [2024-05-08 06:41:53,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-08 06:41:53,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638174605] [2024-05-08 06:41:53,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638174605] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 06:41:53,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-05-08 06:41:53,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-05-08 06:41:53,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346448021] [2024-05-08 06:41:53,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-05-08 06:41:53,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-08 06:41:53,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 06:41:53,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-08 06:41:53,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-05-08 06:41:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:53,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 06:41:53,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 06:41:53,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:53,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:53,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:54,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-08 06:41:54,259 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 [2024-05-08 06:41:54,260 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:54,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:54,260 INFO L85 PathProgramCache]: Analyzing trace with hash 201408657, now seen corresponding path program 2 times [2024-05-08 06:41:54,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:54,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714571093] [2024-05-08 06:41:54,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:54,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-08 06:41:54,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544964135] [2024-05-08 06:41:54,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 06:41:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 06:41:54,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:54,295 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) [2024-05-08 06:41:54,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-08 06:41:54,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 06:41:54,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 06:41:54,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-08 06:41:54,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 06:41:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 06:41:54,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 06:41:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 06:41:54,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 06:41:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714571093] [2024-05-08 06:41:54,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-08 06:41:54,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544964135] [2024-05-08 06:41:54,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544964135] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 06:41:54,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-05-08 06:41:54,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-05-08 06:41:54,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771960692] [2024-05-08 06:41:54,850 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-05-08 06:41:54,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-08 06:41:54,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 06:41:54,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-08 06:41:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-05-08 06:41:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:54,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 06:41:54,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 19.75) internal successors, (316), 16 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 06:41:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-08 06:41:55,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-08 06:41:55,210 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 [2024-05-08 06:41:55,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:55,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1637333777, now seen corresponding path program 3 times [2024-05-08 06:41:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796949331] [2024-05-08 06:41:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:55,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:55,271 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-08 06:41:55,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384144979] [2024-05-08 06:41:55,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 06:41:55,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 06:41:55,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:55,284 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) [2024-05-08 06:41:55,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-08 06:41:55,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-08 06:41:55,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 06:41:55,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-08 06:41:55,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 06:41:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-05-08 06:41:55,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 06:41:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-05-08 06:41:56,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 06:41:56,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796949331] [2024-05-08 06:41:56,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-08 06:41:56,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384144979] [2024-05-08 06:41:56,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384144979] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 06:41:56,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-05-08 06:41:56,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-05-08 06:41:56,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879533855] [2024-05-08 06:41:56,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-05-08 06:41:56,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-08 06:41:56,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 06:41:56,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-08 06:41:56,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-05-08 06:41:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:56,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 06:41:56,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 06:41:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-08 06:41:56,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-08 06:41:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:56,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-08 06:41:56,326 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 [2024-05-08 06:41:56,326 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:56,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash -33126383, now seen corresponding path program 4 times [2024-05-08 06:41:56,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:56,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962024038] [2024-05-08 06:41:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:56,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:56,447 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-08 06:41:56,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091582799] [2024-05-08 06:41:56,448 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-08 06:41:56,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 06:41:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:56,472 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) [2024-05-08 06:41:56,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-08 06:41:57,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-08 06:41:57,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 06:41:57,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-08 06:41:57,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 06:41:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-05-08 06:41:58,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 06:41:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-05-08 06:41:58,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 06:41:58,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962024038] [2024-05-08 06:41:58,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-08 06:41:58,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091582799] [2024-05-08 06:41:58,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091582799] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 06:41:58,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-05-08 06:41:58,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-05-08 06:41:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725756955] [2024-05-08 06:41:58,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-05-08 06:41:58,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-08 06:41:58,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 06:41:58,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-08 06:41:58,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-05-08 06:41:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:58,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 06:41:58,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 24.4375) internal successors, (391), 16 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 06:41:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-08 06:41:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 06:41:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 06:41:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-08 06:41:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-08 06:41:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-08 06:41:59,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-08 06:41:59,248 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 [2024-05-08 06:41:59,248 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-08 06:41:59,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 06:41:59,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1334009327, now seen corresponding path program 5 times [2024-05-08 06:41:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 06:41:59,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946685436] [2024-05-08 06:41:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 06:41:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 06:41:59,498 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-08 06:41:59,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [464617781] [2024-05-08 06:41:59,499 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-08 06:41:59,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 06:41:59,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 06:41:59,500 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) [2024-05-08 06:41:59,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2024-05-08 06:56:37,013 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 [2024-05-08 06:56:37,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 06:56:37,030 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 [2024-05-08 06:56:38,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-08 06:56:38,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-08 06:56:38,215 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2024-05-08 06:56:38,248 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2024-05-08 06:56:38,250 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-05-08 06:56:38,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2024-05-08 06:56:38,283 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 [2024-05-08 06:56:38,283 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2024-05-08 06:56:38,285 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-05-08 06:56:38,285 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-05-08 06:56:38,289 INFO L448 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-05-08 06:56:38,292 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-08 06:56:38,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-08 06:56:38,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.05 06:56:38 BasicIcfg [2024-05-08 06:56:38,294 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-08 06:56:38,294 INFO L158 Benchmark]: Toolchain (without parser) took 886909.45ms. Allocated memory was 159.4MB in the beginning and 285.2MB in the end (delta: 125.8MB). Free memory was 93.3MB in the beginning and 152.0MB in the end (delta: -58.8MB). Peak memory consumption was 67.8MB. Max. memory is 8.0GB. [2024-05-08 06:56:38,294 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 159.4MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 06:56:38,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.46ms. Allocated memory is still 159.4MB. Free memory was 93.1MB in the beginning and 128.2MB in the end (delta: -35.0MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2024-05-08 06:56:38,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 124.5MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-08 06:56:38,295 INFO L158 Benchmark]: Boogie Preprocessor took 44.22ms. Allocated memory is still 159.4MB. Free memory was 124.5MB in the beginning and 121.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 06:56:38,295 INFO L158 Benchmark]: RCFGBuilder took 561.99ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 94.1MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-05-08 06:56:38,296 INFO L158 Benchmark]: TraceAbstraction took 885632.86ms. Allocated memory was 159.4MB in the beginning and 285.2MB in the end (delta: 125.8MB). Free memory was 92.5MB in the beginning and 152.0MB in the end (delta: -59.5MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. [2024-05-08 06:56:38,304 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 159.4MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 607.46ms. Allocated memory is still 159.4MB. Free memory was 93.1MB in the beginning and 128.2MB in the end (delta: -35.0MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 124.5MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.22ms. Allocated memory is still 159.4MB. Free memory was 124.5MB in the beginning and 121.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 561.99ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 94.1MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 885632.86ms. Allocated memory was 159.4MB in the beginning and 285.2MB in the end (delta: 125.8MB). Free memory was 92.5MB in the beginning and 152.0MB in the end (delta: -59.5MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 604, independent: 490, independent conditional: 345, independent unconditional: 145, dependent: 114, dependent conditional: 114, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 345, independent unconditional: 145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 345, independent unconditional: 145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 345, independent unconditional: 145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 134, independent unconditional: 356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 490, independent: 490, independent conditional: 134, independent unconditional: 356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 134, independent unconditional: 356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 490, independent: 368, independent conditional: 134, independent unconditional: 234, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 134, independent unconditional: 356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 490, independent: 490, independent conditional: 134, independent unconditional: 356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 490, independent: 490, independent conditional: 134, independent unconditional: 356, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 490, independent: 368, independent conditional: 134, independent unconditional: 234, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 114 - TimeoutResultAtElement [Line: 1082]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 318 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 885.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.6s, 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: 66, 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: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1788 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3376 ConstructedInterpolants, 0 QuantifiedInterpolants, 8372 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4803 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 6327/17617 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown