/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 DEFAULT --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/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 17:13:46,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 17:13:46,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 17:13:46,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 17:13:46,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 17:13:46,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 17:13:46,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 17:13:46,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 17:13:46,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 17:13:46,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 17:13:46,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 17:13:46,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 17:13:46,249 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 17:13:46,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 17:13:46,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 17:13:46,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 17:13:46,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 17:13:46,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 17:13:46,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 17:13:46,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 17:13:46,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 17:13:46,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 17:13:46,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 17:13:46,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 17:13:46,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 17:13:46,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 17:13:46,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 17:13:46,255 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 17:13:46,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 17:13:46,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 17:13:46,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 17:13:46,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 17:13:46,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 17:13:46,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 17:13:46,256 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 17:13:46,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 17:13:46,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 17:13:46,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 17:13:46,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 17:13:46,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-04 17:13:46,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 17:13:46,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 17:13:46,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 17:13:46,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 17:13:46,509 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 17:13:46,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-04-04 17:13:47,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 17:13:47,798 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 17:13:47,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-04-04 17:13:47,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c1fd54cfb/c1d64ff35a044a398ea930e68c8e6fc8/FLAG676095ea8 [2024-04-04 17:13:47,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c1fd54cfb/c1d64ff35a044a398ea930e68c8e6fc8 [2024-04-04 17:13:47,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 17:13:47,832 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 17:13:47,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 17:13:47,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 17:13:47,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 17:13:47,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 05:13:47" (1/1) ... [2024-04-04 17:13:47,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3b890c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:47, skipping insertion in model container [2024-04-04 17:13:47,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 05:13:47" (1/1) ... [2024-04-04 17:13:47,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 17:13:48,018 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/test-hard1.wvr.c[3373,3386] [2024-04-04 17:13:48,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 17:13:48,030 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 17:13:48,074 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/test-hard1.wvr.c[3373,3386] [2024-04-04 17:13:48,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 17:13:48,082 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 17:13:48,082 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 17:13:48,089 INFO L206 MainTranslator]: Completed translation [2024-04-04 17:13:48,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48 WrapperNode [2024-04-04 17:13:48,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 17:13:48,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 17:13:48,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 17:13:48,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 17:13:48,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,124 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-04-04 17:13:48,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 17:13:48,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 17:13:48,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 17:13:48,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 17:13:48,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 17:13:48,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 17:13:48,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 17:13:48,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 17:13:48,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (1/1) ... [2024-04-04 17:13:48,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 17:13:48,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 17:13:48,196 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) [2024-04-04 17:13:48,220 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 [2024-04-04 17:13:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 17:13:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 17:13:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 17:13:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 17:13:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 17:13:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 17:13:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 17:13:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 17:13:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 17:13:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 17:13:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 17:13:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 17:13:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 17:13:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 17:13:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 17:13:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 17:13:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 17:13:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 17:13:48,249 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 17:13:48,358 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 17:13:48,360 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 17:13:48,600 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 17:13:48,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 17:13:48,681 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 17:13:48,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:13:48 BoogieIcfgContainer [2024-04-04 17:13:48,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 17:13:48,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 17:13:48,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 17:13:48,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 17:13:48,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 05:13:47" (1/3) ... [2024-04-04 17:13:48,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0b7d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:13:48, skipping insertion in model container [2024-04-04 17:13:48,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:13:48" (2/3) ... [2024-04-04 17:13:48,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0b7d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:13:48, skipping insertion in model container [2024-04-04 17:13:48,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:13:48" (3/3) ... [2024-04-04 17:13:48,690 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-04-04 17:13:48,697 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 17:13:48,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 17:13:48,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 17:13:48,706 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 17:13:48,778 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 17:13:48,814 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 17:13:48,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 17:13:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 17:13:48,816 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) [2024-04-04 17:13:48,818 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 [2024-04-04 17:13:48,845 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 17:13:48,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:13:48,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 17:13:48,864 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;@726cf549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 17:13:48,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 17:13:49,754 INFO L85 PathProgramCache]: Analyzing trace with hash 738820654, now seen corresponding path program 1 times [2024-04-04 17:13:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:13:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 17:13:50,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:13:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 17:13:50,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 17:13:50,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 17:13:51,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1506728072, now seen corresponding path program 1 times [2024-04-04 17:13:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:51,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:51,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1027221441, now seen corresponding path program 2 times [2024-04-04 17:13:51,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:51,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:51,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:52,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1490250254, now seen corresponding path program 3 times [2024-04-04 17:13:52,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:52,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:52,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:52,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:13:52,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:13:52,854 INFO L85 PathProgramCache]: Analyzing trace with hash 851921736, now seen corresponding path program 1 times [2024-04-04 17:13:52,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:13:52,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964702456] [2024-04-04 17:13:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:52,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:13:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-04-04 17:13:53,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:13:53,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964702456] [2024-04-04 17:13:53,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964702456] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 17:13:53,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 17:13:53,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 17:13:53,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614496604] [2024-04-04 17:13:53,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 17:13:53,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 17:13:53,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:13:53,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 17:13:53,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-04 17:13:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:13:53,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 17:13:53,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-04-04 17:13:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:13:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1843673928, now seen corresponding path program 4 times [2024-04-04 17:13:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:54,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:54,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1913086250, now seen corresponding path program 5 times [2024-04-04 17:13:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:54,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:55,073 INFO L85 PathProgramCache]: Analyzing trace with hash -893485315, now seen corresponding path program 6 times [2024-04-04 17:13:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:55,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:55,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:55,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:13:55,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-04 17:13:55,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:13:55,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:13:55,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2029386885, now seen corresponding path program 2 times [2024-04-04 17:13:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:13:55,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782540356] [2024-04-04 17:13:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:13:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-04-04 17:13:56,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:13:56,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782540356] [2024-04-04 17:13:56,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782540356] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 17:13:56,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130361382] [2024-04-04 17:13:56,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 17:13:56,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 17:13:56,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 17:13:56,418 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) [2024-04-04 17:13:56,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 17:13:56,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 17:13:56,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 17:13:56,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 17:13:56,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 17:13:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-04-04 17:13:56,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 17:13:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130361382] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 17:13:56,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 17:13:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-04-04 17:13:56,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61810554] [2024-04-04 17:13:56,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 17:13:56,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 17:13:56,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:13:56,818 INFO L85 PathProgramCache]: Analyzing trace with hash 731734296, now seen corresponding path program 7 times [2024-04-04 17:13:56,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:56,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:56,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:57,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1846554685, now seen corresponding path program 8 times [2024-04-04 17:13:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:57,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 17:13:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-04-04 17:13:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:13:57,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 17:13:57,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2024-04-04 17:13:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:13:57,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:13:57,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1637912734, now seen corresponding path program 9 times [2024-04-04 17:13:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:57,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:57,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:58,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1102317186, now seen corresponding path program 10 times [2024-04-04 17:13:58,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:58,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:58,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:58,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1474389333, now seen corresponding path program 11 times [2024-04-04 17:13:58,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:58,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:59,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:59,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1913086250, now seen corresponding path program 12 times [2024-04-04 17:13:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:59,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:59,722 INFO L85 PathProgramCache]: Analyzing trace with hash -893485315, now seen corresponding path program 13 times [2024-04-04 17:13:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:13:59,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:13:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:13:59,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:13:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash 675512790, now seen corresponding path program 14 times [2024-04-04 17:14:00,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:00,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:00,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:00,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:00,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:00,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 17:14:01,112 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-04 17:14:01,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:14:01,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:14:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash -10387549, now seen corresponding path program 3 times [2024-04-04 17:14:01,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:14:01,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096268404] [2024-04-04 17:14:01,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-04-04 17:14:01,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:14:01,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096268404] [2024-04-04 17:14:01,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096268404] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 17:14:01,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170227410] [2024-04-04 17:14:01,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 17:14:01,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 17:14:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 17:14:01,832 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) [2024-04-04 17:14:01,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 17:14:02,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 17:14:02,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 17:14:02,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 17:14:02,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 17:14:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-04-04 17:14:02,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 17:14:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 175 proven. 19 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-04-04 17:14:02,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170227410] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 17:14:02,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 17:14:02,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2024-04-04 17:14:02,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908684182] [2024-04-04 17:14:02,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 17:14:02,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 17:14:02,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:14:02,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 17:14:02,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-04-04 17:14:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:14:02,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 17:14:02,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 14 states have internal predecessors, (161), 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) [2024-04-04 17:14:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:02,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:14:03,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1637912734, now seen corresponding path program 15 times [2024-04-04 17:14:03,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:03,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:04,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1843673928, now seen corresponding path program 16 times [2024-04-04 17:14:04,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:04,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:04,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1606541925, now seen corresponding path program 1 times [2024-04-04 17:14:04,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:04,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 17:14:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 5 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 17:14:10,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2003330107, now seen corresponding path program 2 times [2024-04-04 17:14:10,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 17:14:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 17:14:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash 574957760, now seen corresponding path program 17 times [2024-04-04 17:14:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:14,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1474389333, now seen corresponding path program 18 times [2024-04-04 17:14:15,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:15,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:15,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1913086250, now seen corresponding path program 19 times [2024-04-04 17:14:15,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:15,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:16,313 INFO L85 PathProgramCache]: Analyzing trace with hash -893485315, now seen corresponding path program 20 times [2024-04-04 17:14:16,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:16,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:16,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:16,726 INFO L85 PathProgramCache]: Analyzing trace with hash 972784442, now seen corresponding path program 21 times [2024-04-04 17:14:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:16,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:16,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:17,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1041918456, now seen corresponding path program 22 times [2024-04-04 17:14:17,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:17,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:17,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:17,477 INFO L85 PathProgramCache]: Analyzing trace with hash 535700747, now seen corresponding path program 23 times [2024-04-04 17:14:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:17,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1552454937, now seen corresponding path program 24 times [2024-04-04 17:14:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:17,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:18,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1810561209, now seen corresponding path program 1 times [2024-04-04 17:14:18,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:18,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 17:14:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:28,707 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-04 17:14:29,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1789838062, now seen corresponding path program 2 times [2024-04-04 17:14:29,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:29,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 17:14:36,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 17:14:40,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2146750429, now seen corresponding path program 3 times [2024-04-04 17:14:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 17:14:44,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:44,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 17:14:48,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1418809219, now seen corresponding path program 25 times [2024-04-04 17:14:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:48,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:48,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 17:14:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 17:14:49,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:14:49,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 17:14:49,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable20,SelfDestructingSolverStorable31,SelfDestructingSolverStorable18,SelfDestructingSolverStorable29,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable36,SelfDestructingSolverStorable26,SelfDestructingSolverStorable37,SelfDestructingSolverStorable27,SelfDestructingSolverStorable38,SelfDestructingSolverStorable28,SelfDestructingSolverStorable39 [2024-04-04 17:14:49,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:14:49,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:14:49,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1945893496, now seen corresponding path program 4 times [2024-04-04 17:14:49,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:14:49,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399232240] [2024-04-04 17:14:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-04-04 17:14:49,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:14:49,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399232240] [2024-04-04 17:14:49,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399232240] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 17:14:49,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 17:14:49,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 17:14:49,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676762648] [2024-04-04 17:14:49,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 17:14:49,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 17:14:49,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:14:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 17:14:49,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-04 17:14:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:14:49,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 17:14:49,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-04-04 17:14:49,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:49,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:49,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:14:49,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:14:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:14:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:51,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-04-04 17:14:51,715 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:14:51,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:14:51,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1792432792, now seen corresponding path program 5 times [2024-04-04 17:14:51,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:14:51,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798000891] [2024-04-04 17:14:51,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:51,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:14:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1951 backedges. 834 proven. 10 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-04-04 17:14:52,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:14:52,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798000891] [2024-04-04 17:14:52,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798000891] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 17:14:52,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665623399] [2024-04-04 17:14:52,347 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 17:14:52,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 17:14:52,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 17:14:52,349 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) [2024-04-04 17:14:52,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 17:14:52,647 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-04-04 17:14:52,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 17:14:52,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 17:14:52,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 17:14:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1951 backedges. 805 proven. 4 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2024-04-04 17:14:52,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 17:14:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1951 backedges. 811 proven. 19 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2024-04-04 17:14:52,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665623399] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 17:14:52,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 17:14:52,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2024-04-04 17:14:52,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96250957] [2024-04-04 17:14:52,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 17:14:52,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 17:14:52,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:14:52,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 17:14:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-04-04 17:14:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:14:52,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 17:14:52,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.214285714285714) internal successors, (171), 14 states have internal predecessors, (171), 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) [2024-04-04 17:14:52,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:52,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:52,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:14:52,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:52,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:14:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:14:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:14:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:14:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 17:14:56,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 17:14:56,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 17:14:56,244 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:14:56,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:14:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -782557858, now seen corresponding path program 6 times [2024-04-04 17:14:56,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:14:56,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840004566] [2024-04-04 17:14:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:14:56,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:14:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:15:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 643 proven. 1284 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 17:15:08,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:15:08,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840004566] [2024-04-04 17:15:08,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840004566] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 17:15:08,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323183758] [2024-04-04 17:15:08,807 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 17:15:08,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 17:15:08,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 17:15:08,811 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) [2024-04-04 17:15:08,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 17:15:09,261 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2024-04-04 17:15:09,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 17:15:09,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 138 conjunts are in the unsatisfiable core [2024-04-04 17:15:09,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 17:15:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 237 proven. 1722 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-04 17:15:25,557 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 17:15:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 270 proven. 1737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 17:15:36,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323183758] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 17:15:36,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 17:15:36,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 71, 110] total 237 [2024-04-04 17:15:36,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395185763] [2024-04-04 17:15:36,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 17:15:36,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 237 states [2024-04-04 17:15:36,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:15:36,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2024-04-04 17:15:36,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12554, Invalid=43378, Unknown=0, NotChecked=0, Total=55932 [2024-04-04 17:15:36,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:15:36,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 17:15:36,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 237 states, 237 states have (on average 3.168776371308017) internal successors, (751), 237 states have internal predecessors, (751), 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) [2024-04-04 17:15:36,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:15:36,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:15:36,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:15:36,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:15:36,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 17:15:36,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 17:20:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:20:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 17:20:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 17:20:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 17:20:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 17:20:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 963 states. [2024-04-04 17:20:40,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 17:20:41,160 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,SelfDestructingSolverStorable42 [2024-04-04 17:20:41,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 17:20:41,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 17:20:41,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1210573696, now seen corresponding path program 7 times [2024-04-04 17:20:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 17:20:41,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138879410] [2024-04-04 17:20:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:20:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:20:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:20:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 23881 backedges. 4080 proven. 0 refuted. 0 times theorem prover too weak. 19801 trivial. 0 not checked. [2024-04-04 17:20:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 17:20:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138879410] [2024-04-04 17:20:42,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138879410] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 17:20:42,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 17:20:42,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 17:20:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303552000] [2024-04-04 17:20:42,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 17:20:42,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 17:20:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 17:20:42,631 INFO L85 PathProgramCache]: Analyzing trace with hash -243726335, now seen corresponding path program 26 times [2024-04-04 17:20:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:20:42,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:20:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:20:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 1 proven. 669 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-04-04 17:20:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:20:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:20:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:20:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 11 proven. 671 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 17:20:51,158 INFO L85 PathProgramCache]: Analyzing trace with hash 139341876, now seen corresponding path program 27 times [2024-04-04 17:20:51,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:20:51,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:20:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:21:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 88 proven. 1739 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-04 17:21:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:21:05,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:21:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:21:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 6 proven. 1734 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-04-04 17:21:15,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1667334167, now seen corresponding path program 28 times [2024-04-04 17:21:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:21:15,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:21:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:22:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8072 backedges. 1676 proven. 6298 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-04-04 17:22:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:22:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:22:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:23:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8072 backedges. 139 proven. 7809 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-04-04 17:23:38,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2067404329, now seen corresponding path program 29 times [2024-04-04 17:23:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:23:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:23:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 17:25:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10584 backedges. 312 proven. 9907 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 17:25:41,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 17:25:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 17:25:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-04 17:26:56,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-04-04 17:26:56,837 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraigSleepSetPOR.construct(IpTcStrategyModuleCraigSleepSetPOR.java:104) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.PostConditionTraceChecker.checkTrace(PostConditionTraceChecker.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityInterpolantProvider.checkTransitions(ConditionalCommutativityInterpolantProvider.java:172) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityInterpolantProvider.checkState(ConditionalCommutativityInterpolantProvider.java:161) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityInterpolantProvider.getInterpolants(ConditionalCommutativityInterpolantProvider.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.refineAbstraction(PartialOrderCegarLoop.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-04 17:26:56,839 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 [2024-04-04 17:26:56,839 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 [2024-04-04 17:26:56,841 INFO L158 Benchmark]: Toolchain (without parser) took 789008.76ms. Allocated memory was 154.1MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 89.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2024-04-04 17:26:56,841 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 17:26:56,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.39ms. Allocated memory is still 154.1MB. Free memory was 89.0MB in the beginning and 128.6MB in the end (delta: -39.6MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2024-04-04 17:26:56,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.25ms. Allocated memory is still 154.1MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 17:26:56,842 INFO L158 Benchmark]: Boogie Preprocessor took 33.59ms. Allocated memory is still 154.1MB. Free memory was 127.1MB in the beginning and 125.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 17:26:56,842 INFO L158 Benchmark]: RCFGBuilder took 523.97ms. Allocated memory is still 154.1MB. Free memory was 125.5MB in the beginning and 103.5MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-04-04 17:26:56,843 INFO L158 Benchmark]: TraceAbstraction took 788154.87ms. Allocated memory was 154.1MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 101.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-04-04 17:26:56,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 256.39ms. Allocated memory is still 154.1MB. Free memory was 89.0MB in the beginning and 128.6MB in the end (delta: -39.6MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.25ms. Allocated memory is still 154.1MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.59ms. Allocated memory is still 154.1MB. Free memory was 127.1MB in the beginning and 125.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 523.97ms. Allocated memory is still 154.1MB. Free memory was 125.5MB in the beginning and 103.5MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 788154.87ms. Allocated memory was 154.1MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 101.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown