/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 08:47:39,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 08:47:39,734 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 08:47:39,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 08:47:39,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 08:47:39,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 08:47:39,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 08:47:39,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 08:47:39,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 08:47:39,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 08:47:39,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 08:47:39,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 08:47:39,753 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 08:47:39,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 08:47:39,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 08:47:39,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 08:47:39,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 08:47:39,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 08:47:39,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 08:47:39,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 08:47:39,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 08:47:39,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 08:47:39,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 08:47:39,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 08:47:39,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 08:47:39,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 08:47:39,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 08:47:39,755 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 08:47:39,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 08:47:39,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 08:47:39,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 08:47:39,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 08:47:39,757 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 08:47:39,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-05 08:47:39,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 08:47:39,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 08:47:39,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 08:47:39,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 08:47:39,956 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 08:47:39,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-04-05 08:47:40,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 08:47:41,137 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 08:47:41,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-04-05 08:47:41,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5b5feedaf/3557404302b84b7c80377d8f3a9e31ea/FLAGa3ad1d8b2 [2024-04-05 08:47:41,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5b5feedaf/3557404302b84b7c80377d8f3a9e31ea [2024-04-05 08:47:41,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 08:47:41,171 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 08:47:41,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 08:47:41,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 08:47:41,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 08:47:41,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f9efda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41, skipping insertion in model container [2024-04-05 08:47:41,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 08:47:41,382 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2024-04-05 08:47:41,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 08:47:41,403 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 08:47:41,440 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2024-04-05 08:47:41,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 08:47:41,456 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 08:47:41,456 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 08:47:41,462 INFO L206 MainTranslator]: Completed translation [2024-04-05 08:47:41,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41 WrapperNode [2024-04-05 08:47:41,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 08:47:41,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 08:47:41,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 08:47:41,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 08:47:41,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,514 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 331 [2024-04-05 08:47:41,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 08:47:41,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 08:47:41,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 08:47:41,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 08:47:41,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 08:47:41,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 08:47:41,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 08:47:41,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 08:47:41,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (1/1) ... [2024-04-05 08:47:41,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 08:47:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:47:41,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 08:47:41,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 08:47:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 08:47:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 08:47:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 08:47:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 08:47:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 08:47:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 08:47:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 08:47:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 08:47:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 08:47:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 08:47:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-05 08:47:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-05 08:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 08:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 08:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 08:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 08:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 08:47:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 08:47:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 08:47:41,627 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 08:47:41,722 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 08:47:41,723 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 08:47:42,155 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 08:47:42,249 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 08:47:42,249 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-05 08:47:42,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:47:42 BoogieIcfgContainer [2024-04-05 08:47:42,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 08:47:42,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 08:47:42,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 08:47:42,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 08:47:42,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 08:47:41" (1/3) ... [2024-04-05 08:47:42,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659c5dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:47:42, skipping insertion in model container [2024-04-05 08:47:42,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:47:41" (2/3) ... [2024-04-05 08:47:42,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659c5dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:47:42, skipping insertion in model container [2024-04-05 08:47:42,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:47:42" (3/3) ... [2024-04-05 08:47:42,256 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-04-05 08:47:42,261 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 08:47:42,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 08:47:42,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 08:47:42,268 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 08:47:42,312 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-05 08:47:42,341 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 08:47:42,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 08:47:42,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:47:42,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 08:47:42,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 08:47:42,376 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 08:47:42,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:47:42,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 08:47:42,392 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;@13b9c640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-05 08:47:42,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-05 08:47:43,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1263374555, now seen corresponding path program 1 times [2024-04-05 08:47:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 08:47:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-05 08:47:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 08:47:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 08:47:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1360417051, now seen corresponding path program 1 times [2024-04-05 08:47:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:43,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 08:47:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:43,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 08:47:44,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 08:47:44,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-05 08:47:45,825 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)] === [2024-04-05 08:47:45,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:47:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1540839696, now seen corresponding path program 1 times [2024-04-05 08:47:45,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:47:45,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517044817] [2024-04-05 08:47:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:45,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-04-05 08:47:46,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:47:46,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517044817] [2024-04-05 08:47:46,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517044817] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:47:46,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:47:46,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 08:47:46,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620782248] [2024-04-05 08:47:46,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:47:46,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 08:47:46,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:47:46,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 08:47:46,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 08:47:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:46,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:47:46,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:47:46,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:47,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 08:47:47,552 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)] === [2024-04-05 08:47:47,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:47:47,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1110417179, now seen corresponding path program 1 times [2024-04-05 08:47:47,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:47:47,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119332448] [2024-04-05 08:47:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:47,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 62 proven. 78 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-04-05 08:47:48,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:47:48,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119332448] [2024-04-05 08:47:48,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119332448] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:47:48,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694745017] [2024-04-05 08:47:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:48,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:47:48,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:47:48,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:47:48,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 08:47:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:48,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-05 08:47:48,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:47:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 142 proven. 1 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-05 08:47:48,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:47:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 132 proven. 11 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-05 08:47:48,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694745017] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:47:48,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:47:48,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-04-05 08:47:48,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098090368] [2024-04-05 08:47:48,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:47:48,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-05 08:47:48,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:47:48,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-05 08:47:48,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-04-05 08:47:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:48,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:47:48,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 19.318181818181817) internal successors, (425), 22 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:47:48,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:48,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:47:50,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 08:47:50,321 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,SelfDestructingSolverStorable5 [2024-04-05 08:47:50,321 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)] === [2024-04-05 08:47:50,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:47:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1812279643, now seen corresponding path program 2 times [2024-04-05 08:47:50,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:47:50,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880077986] [2024-04-05 08:47:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 65 proven. 117 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-05 08:47:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:47:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880077986] [2024-04-05 08:47:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880077986] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:47:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680939642] [2024-04-05 08:47:50,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 08:47:50,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:47:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:47:50,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:47:50,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 08:47:51,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 08:47:51,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:47:51,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 08:47:51,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:47:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 301 proven. 10 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-05 08:47:51,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:47:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 53 proven. 258 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-05 08:47:52,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680939642] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:47:52,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:47:52,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 36 [2024-04-05 08:47:52,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133340411] [2024-04-05 08:47:52,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:47:52,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-05 08:47:52,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:47:52,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-05 08:47:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1076, Unknown=0, NotChecked=0, Total=1260 [2024-04-05 08:47:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:52,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:47:52,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 16.77777777777778) internal successors, (604), 36 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:47:52,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:52,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:47:52,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:53,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:53,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:47:53,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:47:53,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 08:47:53,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:47:53,844 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)] === [2024-04-05 08:47:53,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:47:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash -417810899, now seen corresponding path program 3 times [2024-04-05 08:47:53,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:47:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556165966] [2024-04-05 08:47:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:53,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 92 proven. 320 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-04-05 08:47:54,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:47:54,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556165966] [2024-04-05 08:47:54,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556165966] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:47:54,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232765733] [2024-04-05 08:47:54,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 08:47:54,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:47:54,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:47:54,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:47:54,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 08:47:55,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-05 08:47:55,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:47:55,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-05 08:47:55,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:47:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 321 proven. 28 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-05 08:47:55,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:47:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 209 proven. 140 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-05 08:47:56,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232765733] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:47:56,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:47:56,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 46 [2024-04-05 08:47:56,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897758635] [2024-04-05 08:47:56,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:47:56,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-05 08:47:56,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:47:56,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-05 08:47:56,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1850, Unknown=0, NotChecked=0, Total=2070 [2024-04-05 08:47:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:56,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:47:56,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 11.847826086956522) internal successors, (545), 46 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:47:56,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:47:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:47:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:47:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:47:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:47:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:47:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:47:58,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 08:47:58,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:47:58,357 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)] === [2024-04-05 08:47:58,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:47:58,357 INFO L85 PathProgramCache]: Analyzing trace with hash 26745271, now seen corresponding path program 4 times [2024-04-05 08:47:58,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:47:58,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230000462] [2024-04-05 08:47:58,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:47:58,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:47:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:47:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 112 proven. 357 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-05 08:47:59,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:47:59,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230000462] [2024-04-05 08:47:59,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230000462] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:47:59,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987862933] [2024-04-05 08:47:59,309 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 08:47:59,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:47:59,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:47:59,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:47:59,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 08:47:59,500 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 08:47:59,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:47:59,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-05 08:47:59,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 369 proven. 52 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-04-05 08:48:00,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:01,141 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-05 08:48:01,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-04-05 08:48:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 268 proven. 153 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-04-05 08:48:01,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987862933] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:01,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:01,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 18] total 55 [2024-04-05 08:48:01,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148648426] [2024-04-05 08:48:01,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:01,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-05 08:48:01,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:01,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-05 08:48:01,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=2655, Unknown=0, NotChecked=0, Total=2970 [2024-04-05 08:48:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:01,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:01,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 11.309090909090909) internal successors, (622), 55 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:01,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:01,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:01,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:01,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:01,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:03,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:04,185 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,SelfDestructingSolverStorable8 [2024-04-05 08:48:04,185 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)] === [2024-04-05 08:48:04,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:04,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1596361407, now seen corresponding path program 5 times [2024-04-05 08:48:04,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:04,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31855839] [2024-04-05 08:48:04,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:04,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 133 proven. 297 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-04-05 08:48:04,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:04,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31855839] [2024-04-05 08:48:04,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31855839] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:04,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952127853] [2024-04-05 08:48:04,979 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 08:48:04,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:04,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:04,980 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:04,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 08:48:05,370 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-05 08:48:05,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:48:05,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-05 08:48:05,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 425 proven. 175 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-05 08:48:06,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 307 proven. 293 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-05 08:48:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952127853] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:07,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:07,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29, 29] total 75 [2024-04-05 08:48:07,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699809725] [2024-04-05 08:48:07,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:07,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-04-05 08:48:07,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:07,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-04-05 08:48:07,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=4818, Unknown=0, NotChecked=0, Total=5550 [2024-04-05 08:48:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:07,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:07,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 10.906666666666666) internal successors, (818), 75 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:09,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:09,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:09,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:10,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 08:48:10,178 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)] === [2024-04-05 08:48:10,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1292724023, now seen corresponding path program 6 times [2024-04-05 08:48:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:10,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301544146] [2024-04-05 08:48:10,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:11,125 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 151 proven. 338 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-04-05 08:48:11,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:11,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301544146] [2024-04-05 08:48:11,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301544146] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:11,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675301566] [2024-04-05 08:48:11,126 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 08:48:11,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:11,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:11,132 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:11,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 08:48:12,169 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-05 08:48:12,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:48:12,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-05 08:48:12,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 338 proven. 184 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2024-04-05 08:48:12,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 204 proven. 318 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2024-04-05 08:48:13,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675301566] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:13,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:13,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-04-05 08:48:13,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070122470] [2024-04-05 08:48:13,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:13,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-05 08:48:13,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:13,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-05 08:48:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=3442, Unknown=0, NotChecked=0, Total=4032 [2024-04-05 08:48:13,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:13,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:13,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.265625) internal successors, (529), 64 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:13,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:14,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:14,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-05 08:48:14,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:48:14,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:14,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1259345364, now seen corresponding path program 7 times [2024-04-05 08:48:14,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:14,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129067071] [2024-04-05 08:48:14,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:14,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 175 proven. 380 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-04-05 08:48:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129067071] [2024-04-05 08:48:16,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129067071] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084226960] [2024-04-05 08:48:16,012 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 08:48:16,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:16,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:16,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:16,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 08:48:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:16,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-05 08:48:16,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 411 proven. 175 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-04-05 08:48:16,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 305 proven. 281 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-04-05 08:48:17,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084226960] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:17,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:17,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-04-05 08:48:17,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555961330] [2024-04-05 08:48:17,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:17,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-05 08:48:17,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:17,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-05 08:48:17,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=4441, Unknown=0, NotChecked=0, Total=5256 [2024-04-05 08:48:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:17,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:17,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.972602739726027) internal successors, (582), 73 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:17,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:19,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:19,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:19,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:48:19,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:19,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1062295519, now seen corresponding path program 8 times [2024-04-05 08:48:19,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:19,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872511642] [2024-04-05 08:48:19,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 208 proven. 421 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-04-05 08:48:20,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:20,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872511642] [2024-04-05 08:48:20,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872511642] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:20,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724661880] [2024-04-05 08:48:20,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 08:48:20,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:20,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:20,860 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:20,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 08:48:21,148 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 08:48:21,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:48:21,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 08:48:21,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 424 proven. 232 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-04-05 08:48:21,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 293 proven. 363 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-04-05 08:48:22,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724661880] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:22,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:22,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-04-05 08:48:22,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933238718] [2024-04-05 08:48:22,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:22,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-05 08:48:22,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-05 08:48:22,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2024-04-05 08:48:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:22,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:22,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.609756097560975) internal successors, (624), 82 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:48:24,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:24,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:24,621 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:48:24,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:24,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1713463018, now seen corresponding path program 9 times [2024-04-05 08:48:24,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:24,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399478588] [2024-04-05 08:48:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 260 proven. 455 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-04-05 08:48:25,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:25,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399478588] [2024-04-05 08:48:25,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399478588] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:25,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332530375] [2024-04-05 08:48:25,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 08:48:25,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:25,862 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:25,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 08:48:26,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-05 08:48:26,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:48:26,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-05 08:48:26,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 292 proven. 103 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-04-05 08:48:27,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 166 proven. 262 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-04-05 08:48:27,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332530375] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:27,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:27,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 13, 19] total 61 [2024-04-05 08:48:27,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776311768] [2024-04-05 08:48:27,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:27,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-05 08:48:27,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:27,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-05 08:48:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=3194, Unknown=0, NotChecked=0, Total=3660 [2024-04-05 08:48:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:27,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:27,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 10.672131147540984) internal successors, (651), 61 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:48:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:30,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:48:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:48:30,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:30,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-05 08:48:30,707 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:48:30,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash -725940274, now seen corresponding path program 10 times [2024-04-05 08:48:30,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871857825] [2024-04-05 08:48:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3923 backedges. 561 proven. 1881 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2024-04-05 08:48:32,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:32,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871857825] [2024-04-05 08:48:32,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871857825] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290635711] [2024-04-05 08:48:32,876 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 08:48:32,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:32,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:32,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:32,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 08:48:33,191 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 08:48:33,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:48:33,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-05 08:48:33,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:48:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3923 backedges. 2939 proven. 370 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2024-04-05 08:48:36,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:48:40,374 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-05 08:48:40,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-04-05 08:48:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3923 backedges. 1483 proven. 1826 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2024-04-05 08:48:41,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290635711] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:48:41,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:48:41,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 41, 41] total 114 [2024-04-05 08:48:41,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265917954] [2024-04-05 08:48:41,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:48:41,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-04-05 08:48:41,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:48:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-04-05 08:48:41,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1610, Invalid=11272, Unknown=0, NotChecked=0, Total=12882 [2024-04-05 08:48:41,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:41,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:48:41,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 9.93859649122807) internal successors, (1133), 114 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:41,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:41,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:41,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:48:41,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:48:41,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:48:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:48:47,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-05 08:48:47,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:47,279 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:48:47,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:48:47,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2145377619, now seen corresponding path program 11 times [2024-04-05 08:48:47,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:48:47,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164204217] [2024-04-05 08:48:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:48:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:48:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:48:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4610 backedges. 986 proven. 2511 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2024-04-05 08:48:50,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:48:50,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164204217] [2024-04-05 08:48:50,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164204217] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:48:50,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328023484] [2024-04-05 08:48:50,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 08:48:50,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:48:50,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:48:50,595 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:48:50,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 08:49:07,987 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-04-05 08:49:07,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:49:08,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-05 08:49:08,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:49:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4610 backedges. 3026 proven. 451 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2024-04-05 08:49:10,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:49:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4610 backedges. 1821 proven. 1656 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2024-04-05 08:49:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328023484] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:49:12,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:49:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 46, 46] total 142 [2024-04-05 08:49:12,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429654066] [2024-04-05 08:49:12,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:49:12,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-04-05 08:49:12,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:49:12,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-04-05 08:49:12,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2293, Invalid=17729, Unknown=0, NotChecked=0, Total=20022 [2024-04-05 08:49:12,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:49:12,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:49:12,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 9.387323943661972) internal successors, (1333), 142 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:49:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:49:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:49:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:49:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:49:19,735 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 08:49:19,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-04-05 08:49:37,540 INFO L85 PathProgramCache]: Analyzing trace with hash -643746587, now seen corresponding path program 1 times [2024-04-05 08:49:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:49:37,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:49:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 08:49:39,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 08:49:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 08:49:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:49:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:49:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:49:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:49:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:49:41,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 08:49:41,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-04-05 08:49:41,375 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:49:41,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:49:41,376 INFO L85 PathProgramCache]: Analyzing trace with hash -912582262, now seen corresponding path program 12 times [2024-04-05 08:49:41,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:49:41,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363463408] [2024-04-05 08:49:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:49:41,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:49:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:49:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 1133 proven. 2612 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2024-04-05 08:49:45,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:49:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363463408] [2024-04-05 08:49:45,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363463408] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:49:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570375790] [2024-04-05 08:49:45,629 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 08:49:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:49:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:49:45,630 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:49:45,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 08:50:52,961 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2024-04-05 08:50:52,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:50:53,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 68 conjunts are in the unsatisfiable core [2024-04-05 08:50:53,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:50:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 2869 proven. 1348 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-04-05 08:50:56,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:50:56,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-04-05 08:50:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 2601 proven. 1616 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-04-05 08:50:59,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570375790] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:50:59,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:50:59,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 65, 65] total 180 [2024-04-05 08:50:59,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008153023] [2024-04-05 08:50:59,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:50:59,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2024-04-05 08:50:59,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:50:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2024-04-05 08:50:59,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4695, Invalid=27525, Unknown=0, NotChecked=0, Total=32220 [2024-04-05 08:50:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:50:59,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:50:59,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 180 states have (on average 7.822222222222222) internal successors, (1408), 180 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:50:59,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:50:59,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:50:59,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:50:59,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:50:59,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:03,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 08:51:03,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-04-05 08:51:04,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1059268828, now seen corresponding path program 2 times [2024-04-05 08:51:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:51:04,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:51:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 08:51:05,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 08:51:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:08,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-05 08:51:08,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 08:51:08,395 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:51:08,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:51:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2047020621, now seen corresponding path program 13 times [2024-04-05 08:51:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:51:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789588517] [2024-04-05 08:51:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:51:08,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:51:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:51:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 2231 proven. 2729 refuted. 0 times theorem prover too weak. 1480 trivial. 0 not checked. [2024-04-05 08:51:13,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:51:13,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789588517] [2024-04-05 08:51:13,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789588517] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:51:13,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863623181] [2024-04-05 08:51:13,601 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 08:51:13,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:51:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:51:13,602 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:51:13,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 08:51:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:51:14,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-05 08:51:14,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:51:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 3133 proven. 1870 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2024-04-05 08:51:17,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:51:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 2763 proven. 2240 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2024-04-05 08:51:21,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863623181] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:51:21,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:51:21,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72, 72] total 208 [2024-04-05 08:51:21,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470586390] [2024-04-05 08:51:21,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:51:21,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 208 states [2024-04-05 08:51:21,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:51:21,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2024-04-05 08:51:21,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6125, Invalid=36931, Unknown=0, NotChecked=0, Total=43056 [2024-04-05 08:51:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:21,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:51:21,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 208 states, 208 states have (on average 7.076923076923077) internal successors, (1472), 208 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:51:21,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:21,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:21,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:51:26,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-05 08:51:26,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:51:26,551 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:51:26,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:51:26,552 INFO L85 PathProgramCache]: Analyzing trace with hash 754108296, now seen corresponding path program 14 times [2024-04-05 08:51:26,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:51:26,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22027231] [2024-04-05 08:51:26,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:51:26,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:51:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:51:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6617 backedges. 2479 proven. 2693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-04-05 08:51:31,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:51:31,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22027231] [2024-04-05 08:51:31,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22027231] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:51:31,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929378158] [2024-04-05 08:51:31,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 08:51:31,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:51:31,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:51:31,966 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:51:31,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 08:51:32,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 08:51:32,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:51:32,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 48 conjunts are in the unsatisfiable core [2024-04-05 08:51:32,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:51:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6617 backedges. 941 proven. 1296 refuted. 0 times theorem prover too weak. 4380 trivial. 0 not checked. [2024-04-05 08:51:33,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:51:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6617 backedges. 570 proven. 2582 refuted. 0 times theorem prover too weak. 3465 trivial. 0 not checked. [2024-04-05 08:51:35,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929378158] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:51:35,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:51:35,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 11, 47] total 129 [2024-04-05 08:51:35,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374593231] [2024-04-05 08:51:35,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:51:35,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-04-05 08:51:35,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:51:35,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-04-05 08:51:35,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1995, Invalid=14517, Unknown=0, NotChecked=0, Total=16512 [2024-04-05 08:51:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:35,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:51:35,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 8.550387596899224) internal successors, (1103), 129 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:51:35,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:35,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:51:35,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:51:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-04-05 08:51:39,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-05 08:51:39,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:51:39,911 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:51:39,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:51:39,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1148206099, now seen corresponding path program 15 times [2024-04-05 08:51:39,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:51:39,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28153523] [2024-04-05 08:51:39,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:51:39,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:51:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:51:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 575 proven. 35 refuted. 0 times theorem prover too weak. 4120 trivial. 0 not checked. [2024-04-05 08:51:40,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:51:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28153523] [2024-04-05 08:51:40,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28153523] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:51:40,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673202976] [2024-04-05 08:51:40,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 08:51:40,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:51:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:51:40,809 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:51:40,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-05 08:51:43,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-05 08:51:43,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:51:43,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-05 08:51:43,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:51:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 669 proven. 78 refuted. 0 times theorem prover too weak. 3983 trivial. 0 not checked. [2024-04-05 08:51:43,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:51:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 635 proven. 306 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2024-04-05 08:51:44,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673202976] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:51:44,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:51:44,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 17] total 35 [2024-04-05 08:51:44,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244654560] [2024-04-05 08:51:44,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:51:44,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-05 08:51:44,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:51:44,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-05 08:51:44,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2024-04-05 08:51:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:44,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:51:44,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 16.62857142857143) internal successors, (582), 35 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:51:44,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:44,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-04-05 08:51:44,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:51:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:51:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-04-05 08:51:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-05 08:51:58,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-05 08:51:58,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-04-05 08:51:58,660 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:51:58,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:51:58,661 INFO L85 PathProgramCache]: Analyzing trace with hash -836321865, now seen corresponding path program 16 times [2024-04-05 08:51:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:51:58,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313041342] [2024-04-05 08:51:58,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:51:58,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:51:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:52:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10256 backedges. 4037 proven. 4492 refuted. 0 times theorem prover too weak. 1727 trivial. 0 not checked. [2024-04-05 08:52:06,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:52:06,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313041342] [2024-04-05 08:52:06,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313041342] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:52:06,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032294000] [2024-04-05 08:52:06,357 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 08:52:06,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:52:06,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:52:06,358 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:52:06,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-05 08:52:06,948 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 08:52:06,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:52:06,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 82 conjunts are in the unsatisfiable core [2024-04-05 08:52:06,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:52:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10256 backedges. 6063 proven. 2232 refuted. 0 times theorem prover too weak. 1961 trivial. 0 not checked. [2024-04-05 08:52:16,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:52:23,503 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-05 08:52:23,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-04-05 08:52:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10256 backedges. 5179 proven. 3116 refuted. 0 times theorem prover too weak. 1961 trivial. 0 not checked. [2024-04-05 08:52:26,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032294000] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:52:26,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:52:26,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78, 78] total 226 [2024-04-05 08:52:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271754810] [2024-04-05 08:52:26,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:52:26,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 226 states [2024-04-05 08:52:26,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:52:26,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2024-04-05 08:52:26,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6607, Invalid=44243, Unknown=0, NotChecked=0, Total=50850 [2024-04-05 08:52:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:52:26,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:52:26,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 226 states, 226 states have (on average 7.517699115044247) internal successors, (1699), 226 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:52:26,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-05 08:52:26,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-05 08:52:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-04-05 08:52:42,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-05 08:52:42,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-05 08:52:42,748 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 08:52:42,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:52:42,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1119657730, now seen corresponding path program 17 times [2024-04-05 08:52:42,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:52:42,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697922366] [2024-04-05 08:52:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:52:42,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:52:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:52:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10449 backedges. 4515 proven. 4323 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2024-04-05 08:52:50,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:52:50,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697922366] [2024-04-05 08:52:50,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697922366] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:52:50,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144910551] [2024-04-05 08:52:50,596 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 08:52:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:52:50,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:52:50,598 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:52:50,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Received shutdown request... [2024-04-05 09:01:32,641 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 09:01:32,641 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 09:01:32,641 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 09:01:33,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 09:01:33,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-05 09:01:33,852 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forcibly destroying the process [2024-04-05 09:01:33,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 137 [2024-04-05 09:01:33,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 09:01:33,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-05 09:01:33,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2024-04-05 09:01:33,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013314455] [2024-04-05 09:01:33,877 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-05 09:01:33,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-05 09:01:33,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 09:01:33,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-05 09:01:33,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=5394, Unknown=0, NotChecked=0, Total=6480 [2024-04-05 09:01:33,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:01:33,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 09:01:33,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 8.950617283950617) internal successors, (725), 81 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 09:01:33,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-04-05 09:01:33,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 09:01:33,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-04-05 09:01:33,882 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-05 09:01:33,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-05 09:01:33,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-05 09:01:33,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-05 09:01:33,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-05 09:01:33,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-05 09:01:33,888 INFO L445 BasicCegarLoop]: Path program histogram: [17, 2, 1, 1, 1] [2024-04-05 09:01:33,890 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 09:01:33,890 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 09:01:33,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 09:01:33 BasicIcfg [2024-04-05 09:01:33,892 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 09:01:33,892 INFO L158 Benchmark]: Toolchain (without parser) took 832721.07ms. Allocated memory was 272.6MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 206.7MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 680.4MB. Max. memory is 8.0GB. [2024-04-05 09:01:33,892 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 09:01:33,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.33ms. Allocated memory is still 272.6MB. Free memory was 206.4MB in the beginning and 193.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-05 09:01:33,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.54ms. Allocated memory is still 272.6MB. Free memory was 193.2MB in the beginning and 190.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 09:01:33,892 INFO L158 Benchmark]: Boogie Preprocessor took 31.64ms. Allocated memory is still 272.6MB. Free memory was 190.5MB in the beginning and 188.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 09:01:33,893 INFO L158 Benchmark]: RCFGBuilder took 703.29ms. Allocated memory is still 272.6MB. Free memory was 188.2MB in the beginning and 205.3MB in the end (delta: -17.1MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-05 09:01:33,893 INFO L158 Benchmark]: TraceAbstraction took 831639.74ms. Allocated memory was 272.6MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 203.7MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 678.2MB. Max. memory is 8.0GB. [2024-04-05 09:01:33,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 291.33ms. Allocated memory is still 272.6MB. Free memory was 206.4MB in the beginning and 193.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.54ms. Allocated memory is still 272.6MB. Free memory was 193.2MB in the beginning and 190.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.64ms. Allocated memory is still 272.6MB. Free memory was 190.5MB in the beginning and 188.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 703.29ms. Allocated memory is still 272.6MB. Free memory was 188.2MB in the beginning and 205.3MB in the end (delta: -17.1MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 831639.74ms. Allocated memory was 272.6MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 203.7MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 678.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3872438, independent: 3560383, independent conditional: 3504550, independent unconditional: 55833, dependent: 312055, dependent conditional: 286372, dependent unconditional: 25683, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3583872, independent: 3560383, independent conditional: 3504550, independent unconditional: 55833, dependent: 23489, dependent conditional: 22869, dependent unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3583872, independent: 3560383, independent conditional: 3504550, independent unconditional: 55833, dependent: 23489, dependent conditional: 22869, dependent unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3583872, independent: 3560383, independent conditional: 3504550, independent unconditional: 55833, dependent: 23489, dependent conditional: 22869, dependent unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3671554, independent: 3560383, independent conditional: 137565, independent unconditional: 3422818, dependent: 111171, dependent conditional: 48185, dependent unconditional: 62986, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3671554, independent: 3560383, independent conditional: 48431, independent unconditional: 3511952, dependent: 111171, dependent conditional: 24756, dependent unconditional: 86415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3671554, independent: 3560383, independent conditional: 48431, independent unconditional: 3511952, dependent: 111171, dependent conditional: 24756, dependent unconditional: 86415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1237, independent: 1139, independent conditional: 22, independent unconditional: 1117, dependent: 98, dependent conditional: 86, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1237, independent: 1115, independent conditional: 0, independent unconditional: 1115, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 24, independent conditional: 22, independent unconditional: 2, dependent: 98, dependent conditional: 86, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 24, independent conditional: 22, independent unconditional: 2, dependent: 98, dependent conditional: 86, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 429, independent: 94, independent conditional: 75, independent unconditional: 19, dependent: 335, dependent conditional: 240, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3671554, independent: 3559244, independent conditional: 48409, independent unconditional: 3510835, dependent: 111073, dependent conditional: 24670, dependent unconditional: 86403, unknown: 1237, unknown conditional: 108, unknown unconditional: 1129] , Statistics on independence cache: Total cache size (in pairs): 1237, Positive cache size: 1139, Positive conditional cache size: 22, Positive unconditional cache size: 1117, Negative cache size: 98, Negative conditional cache size: 86, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 112563, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3671554, independent: 3560383, independent conditional: 137565, independent unconditional: 3422818, dependent: 111171, dependent conditional: 48185, dependent unconditional: 62986, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3671554, independent: 3560383, independent conditional: 48431, independent unconditional: 3511952, dependent: 111171, dependent conditional: 24756, dependent unconditional: 86415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3671554, independent: 3560383, independent conditional: 48431, independent unconditional: 3511952, dependent: 111171, dependent conditional: 24756, dependent unconditional: 86415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1237, independent: 1139, independent conditional: 22, independent unconditional: 1117, dependent: 98, dependent conditional: 86, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1237, independent: 1115, independent conditional: 0, independent unconditional: 1115, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 24, independent conditional: 22, independent unconditional: 2, dependent: 98, dependent conditional: 86, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 24, independent conditional: 22, independent unconditional: 2, dependent: 98, dependent conditional: 86, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 429, independent: 94, independent conditional: 75, independent unconditional: 19, dependent: 335, dependent conditional: 240, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3671554, independent: 3559244, independent conditional: 48409, independent unconditional: 3510835, dependent: 111073, dependent conditional: 24670, dependent unconditional: 86403, unknown: 1237, unknown conditional: 108, unknown unconditional: 1129] , Statistics on independence cache: Total cache size (in pairs): 1237, Positive cache size: 1139, Positive conditional cache size: 22, Positive unconditional cache size: 1117, Negative cache size: 98, Negative conditional cache size: 86, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 112563 ], Independence queries for same thread: 288566 - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 272 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 831.5s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 102.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1219, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 92.0s SatisfiabilityAnalysisTime, 106.1s InterpolantComputationTime, 19236 NumberOfCodeBlocks, 18368 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 28163 ConstructedInterpolants, 1047 QuantifiedInterpolants, 135534 SizeOfPredicates, 425 NumberOfNonLiveVariables, 20096 ConjunctsInSsa, 589 ConjunctsInUnsatCore, 50 InterpolantComputations, 1 PerfectInterpolantSequences, 110580/158645 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown