/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 09:27:36,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 09:27:37,025 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 09:27:37,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 09:27:37,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 09:27:37,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 09:27:37,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 09:27:37,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 09:27:37,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 09:27:37,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 09:27:37,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 09:27:37,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 09:27:37,061 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 09:27:37,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 09:27:37,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 09:27:37,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 09:27:37,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 09:27:37,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 09:27:37,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 09:27:37,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 09:27:37,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 09:27:37,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 09:27:37,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 09:27:37,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 09:27:37,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 09:27:37,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 09:27:37,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 09:27:37,065 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 09:27:37,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 09:27:37,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 09:27:37,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 09:27:37,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 09:27:37,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 09:27:37,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 09:27:37,067 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 09:27:37,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 09:27:37,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 09:27:37,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 09:27:37,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 09:27:37,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 09:27:37,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 09:27:37,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 09:27:37,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 09:27:37,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 09:27:37,308 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 09:27:37,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-04-06 09:27:38,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 09:27:38,475 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 09:27:38,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-04-06 09:27:38,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1279c4818/0aad31126c9f43079a23d4b5e7791dba/FLAGb5b19b493 [2024-04-06 09:27:38,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1279c4818/0aad31126c9f43079a23d4b5e7791dba [2024-04-06 09:27:38,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 09:27:38,498 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 09:27:38,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 09:27:38,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 09:27:38,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 09:27:38,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa7b00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38, skipping insertion in model container [2024-04-06 09:27:38,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 09:27:38,651 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-alt2.wvr.c[4174,4187] [2024-04-06 09:27:38,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 09:27:38,671 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 09:27:38,702 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-alt2.wvr.c[4174,4187] [2024-04-06 09:27:38,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 09:27:38,710 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 09:27:38,711 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 09:27:38,743 INFO L206 MainTranslator]: Completed translation [2024-04-06 09:27:38,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38 WrapperNode [2024-04-06 09:27:38,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 09:27:38,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 09:27:38,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 09:27:38,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 09:27:38,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,794 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 327 [2024-04-06 09:27:38,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 09:27:38,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 09:27:38,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 09:27:38,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 09:27:38,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 09:27:38,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 09:27:38,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 09:27:38,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 09:27:38,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (1/1) ... [2024-04-06 09:27:38,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 09:27:38,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:38,870 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) [2024-04-06 09:27:38,887 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 [2024-04-06 09:27:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 09:27:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 09:27:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 09:27:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 09:27:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 09:27:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 09:27:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 09:27:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 09:27:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 09:27:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 09:27:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-06 09:27:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-06 09:27:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 09:27:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 09:27:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 09:27:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 09:27:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 09:27:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 09:27:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 09:27:38,907 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 09:27:39,024 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 09:27:39,027 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 09:27:39,422 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 09:27:39,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 09:27:39,553 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-06 09:27:39,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 09:27:39 BoogieIcfgContainer [2024-04-06 09:27:39,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 09:27:39,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 09:27:39,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 09:27:39,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 09:27:39,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 09:27:38" (1/3) ... [2024-04-06 09:27:39,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414ad383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 09:27:39, skipping insertion in model container [2024-04-06 09:27:39,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:27:38" (2/3) ... [2024-04-06 09:27:39,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414ad383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 09:27:39, skipping insertion in model container [2024-04-06 09:27:39,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 09:27:39" (3/3) ... [2024-04-06 09:27:39,563 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-04-06 09:27:39,570 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 09:27:39,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 09:27:39,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 09:27:39,579 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 09:27:39,665 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-06 09:27:39,708 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 09:27:39,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 09:27:39,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:39,711 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) [2024-04-06 09:27:39,720 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 [2024-04-06 09:27:39,754 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 09:27:39,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:39,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 09:27:39,777 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;@576ac72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 09:27:39,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-06 09:27:40,379 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)] === [2024-04-06 09:27:40,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:40,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2034032798, now seen corresponding path program 1 times [2024-04-06 09:27:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:40,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144468811] [2024-04-06 09:27:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-04-06 09:27:40,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:40,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144468811] [2024-04-06 09:27:40,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144468811] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 09:27:40,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 09:27:40,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 09:27:40,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953272042] [2024-04-06 09:27:40,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 09:27:40,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 09:27:40,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:40,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 09:27:40,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 09:27:40,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:40,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:40,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.0) internal successors, (208), 2 states have internal predecessors, (208), 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) [2024-04-06 09:27:40,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:41,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 09:27:41,097 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)] === [2024-04-06 09:27:41,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:41,097 INFO L85 PathProgramCache]: Analyzing trace with hash 492774826, now seen corresponding path program 1 times [2024-04-06 09:27:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:41,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855164288] [2024-04-06 09:27:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-06 09:27:41,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:41,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855164288] [2024-04-06 09:27:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855164288] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 09:27:41,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 09:27:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 09:27:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844859667] [2024-04-06 09:27:41,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 09:27:41,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 09:27:41,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:41,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 09:27:41,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 09:27:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:41,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:41,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.833333333333336) internal successors, (209), 6 states have internal predecessors, (209), 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) [2024-04-06 09:27:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:42,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 09:27:42,111 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)] === [2024-04-06 09:27:42,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:42,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1026951610, now seen corresponding path program 1 times [2024-04-06 09:27:42,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:42,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742581196] [2024-04-06 09:27:42,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:42,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-06 09:27:42,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:42,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742581196] [2024-04-06 09:27:42,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742581196] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 09:27:42,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 09:27:42,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 09:27:42,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938956492] [2024-04-06 09:27:42,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 09:27:42,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 09:27:42,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:42,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 09:27:42,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 09:27:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:42,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:42,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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) [2024-04-06 09:27:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:42,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 09:27:42,877 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)] === [2024-04-06 09:27:42,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:42,878 INFO L85 PathProgramCache]: Analyzing trace with hash 331231590, now seen corresponding path program 1 times [2024-04-06 09:27:42,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:42,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254086829] [2024-04-06 09:27:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:42,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 35 proven. 37 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-04-06 09:27:43,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:43,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254086829] [2024-04-06 09:27:43,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254086829] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:27:43,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496782577] [2024-04-06 09:27:43,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:43,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:43,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:43,550 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) [2024-04-06 09:27:43,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 09:27:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:43,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-06 09:27:43,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:27:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-04-06 09:27:44,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:27:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 68 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-04-06 09:27:44,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496782577] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:27:44,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:27:44,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-04-06 09:27:44,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780832087] [2024-04-06 09:27:44,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:27:44,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-06 09:27:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:44,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-06 09:27:44,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-04-06 09:27:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:44,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:44,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 18.818181818181817) internal successors, (414), 22 states have internal predecessors, (414), 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) [2024-04-06 09:27:44,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:44,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:44,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:44,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:45,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 09:27:45,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:45,488 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)] === [2024-04-06 09:27:45,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1298554590, now seen corresponding path program 2 times [2024-04-06 09:27:45,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:45,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243859731] [2024-04-06 09:27:45,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 38 proven. 59 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-04-06 09:27:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:46,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243859731] [2024-04-06 09:27:46,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243859731] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:27:46,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56019224] [2024-04-06 09:27:46,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 09:27:46,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:46,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:46,169 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) [2024-04-06 09:27:46,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 09:27:46,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 09:27:46,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:27:46,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 09:27:46,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:27:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-06 09:27:46,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:27:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 86 proven. 39 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-06 09:27:47,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56019224] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:27:47,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:27:47,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2024-04-06 09:27:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163691370] [2024-04-06 09:27:47,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:27:47,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-06 09:27:47,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:47,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-06 09:27:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2024-04-06 09:27:47,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:47,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:47,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.96774193548387) internal successors, (464), 31 states have internal predecessors, (464), 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) [2024-04-06 09:27:47,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:47,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:47,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:47,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:47,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:27:48,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 09:27:48,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:48,282 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)] === [2024-04-06 09:27:48,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:48,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1853000482, now seen corresponding path program 3 times [2024-04-06 09:27:48,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:48,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607627091] [2024-04-06 09:27:48,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:48,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:48,982 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 37 proven. 106 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-06 09:27:48,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:48,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607627091] [2024-04-06 09:27:48,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607627091] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:27:48,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027303340] [2024-04-06 09:27:48,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 09:27:48,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:48,985 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) [2024-04-06 09:27:48,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 09:27:49,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 09:27:49,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:27:49,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-06 09:27:49,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:27:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 142 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-04-06 09:27:49,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:27:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 95 proven. 74 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-04-06 09:27:50,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027303340] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:27:50,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:27:50,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 40 [2024-04-06 09:27:50,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036764328] [2024-04-06 09:27:50,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:27:50,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-06 09:27:50,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:50,656 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 [2024-04-06 09:27:50,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1472039191, now seen corresponding path program 1 times [2024-04-06 09:27:50,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:50,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 09:27:50,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 09:27:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 09:27:51,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-06 09:27:51,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1345, Unknown=0, NotChecked=0, Total=1640 [2024-04-06 09:27:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:51,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:51,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 12.9) internal successors, (516), 40 states have internal predecessors, (516), 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) [2024-04-06 09:27:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:51,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:51,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:51,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:51,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:27:51,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:27:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:27:51,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 09:27:52,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:52,089 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)] === [2024-04-06 09:27:52,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -901681922, now seen corresponding path program 4 times [2024-04-06 09:27:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:52,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19579947] [2024-04-06 09:27:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:52,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 112 proven. 118 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-04-06 09:27:53,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:53,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19579947] [2024-04-06 09:27:53,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19579947] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:27:53,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776123616] [2024-04-06 09:27:53,008 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 09:27:53,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:53,009 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) [2024-04-06 09:27:53,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 09:27:53,180 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 09:27:53,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:27:53,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-06 09:27:53,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:27:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 133 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-04-06 09:27:53,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:27:54,419 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-06 09:27:54,420 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 [2024-04-06 09:27:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 106 proven. 54 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-04-06 09:27:54,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776123616] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:27:54,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:27:54,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16, 16] total 49 [2024-04-06 09:27:54,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366272277] [2024-04-06 09:27:54,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:27:54,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-06 09:27:54,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:54,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-06 09:27:54,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=2080, Unknown=0, NotChecked=0, Total=2352 [2024-04-06 09:27:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:54,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:27:54,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 12.489795918367347) internal successors, (612), 49 states have internal predecessors, (612), 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) [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:27:54,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:27:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:27:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:27:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:27:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:27:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:27:56,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 09:27:56,587 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,SelfDestructingSolverStorable7 [2024-04-06 09:27:56,588 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)] === [2024-04-06 09:27:56,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:27:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1043500134, now seen corresponding path program 5 times [2024-04-06 09:27:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:27:56,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863195225] [2024-04-06 09:27:56,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:56,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:27:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 105 proven. 129 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-04-06 09:27:57,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:27:57,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863195225] [2024-04-06 09:27:57,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863195225] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:27:57,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324199249] [2024-04-06 09:27:57,426 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 09:27:57,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:27:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:27:57,427 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) [2024-04-06 09:27:57,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 09:27:57,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-06 09:27:57,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:27:57,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-06 09:27:57,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:27:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 149 proven. 85 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-04-06 09:27:58,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:27:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 78 proven. 156 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-04-06 09:27:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324199249] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:27:58,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:27:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2024-04-06 09:27:58,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262969687] [2024-04-06 09:27:58,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:27:58,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-06 09:27:58,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:27:59,212 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 12 treesize of output 4 [2024-04-06 09:27:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1207131463, now seen corresponding path program 1 times [2024-04-06 09:27:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:27:59,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:27:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 09:27:59,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 09:27:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 09:28:00,199 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 09:28:00,199 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 40 treesize of output 20 [2024-04-06 09:28:00,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1808262790, now seen corresponding path program 2 times [2024-04-06 09:28:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 09:28:00,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 09:28:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 09:28:01,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-06 09:28:01,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=2707, Unknown=0, NotChecked=0, Total=3192 [2024-04-06 09:28:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:01,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:01,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 8.727272727272727) internal successors, (480), 55 states have internal predecessors, (480), 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) [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:01,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:02,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-04-06 09:28:02,040 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)] === [2024-04-06 09:28:02,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:02,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1223473134, now seen corresponding path program 6 times [2024-04-06 09:28:02,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:02,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859656270] [2024-04-06 09:28:02,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:02,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 72 proven. 31 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-04-06 09:28:02,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:02,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859656270] [2024-04-06 09:28:02,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859656270] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:02,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861450532] [2024-04-06 09:28:02,658 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 09:28:02,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:02,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:02,659 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) [2024-04-06 09:28:02,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 09:28:03,321 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-04-06 09:28:03,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:03,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-06 09:28:03,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 101 proven. 13 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-04-06 09:28:03,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 40 proven. 107 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-04-06 09:28:03,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861450532] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:03,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:03,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 14] total 25 [2024-04-06 09:28:03,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135694339] [2024-04-06 09:28:03,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:03,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-06 09:28:03,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-06 09:28:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2024-04-06 09:28:03,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:03,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:03,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 16.64) internal successors, (416), 25 states have internal predecessors, (416), 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) [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:03,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:04,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:04,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 09:28:04,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:04,593 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,SelfDestructingSolverStorable11 [2024-04-06 09:28:04,595 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)] === [2024-04-06 09:28:04,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash -225337923, now seen corresponding path program 7 times [2024-04-06 09:28:04,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:04,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395832815] [2024-04-06 09:28:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:04,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 146 proven. 280 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-04-06 09:28:05,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395832815] [2024-04-06 09:28:05,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395832815] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714975354] [2024-04-06 09:28:05,514 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 09:28:05,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:05,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:05,515 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) [2024-04-06 09:28:05,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 09:28:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:05,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-06 09:28:05,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 317 proven. 126 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-06 09:28:06,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 188 proven. 255 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-06 09:28:07,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714975354] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:07,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:07,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-04-06 09:28:07,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410856843] [2024-04-06 09:28:07,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:07,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-06 09:28:07,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:07,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-06 09:28:07,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=637, Invalid=3395, Unknown=0, NotChecked=0, Total=4032 [2024-04-06 09:28:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:07,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:07,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.78125) internal successors, (562), 64 states have internal predecessors, (562), 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) [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 09:28:07,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 09:28:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:08,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:08,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:08,646 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)] === [2024-04-06 09:28:08,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:08,647 INFO L85 PathProgramCache]: Analyzing trace with hash -808344659, now seen corresponding path program 8 times [2024-04-06 09:28:08,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:08,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589258708] [2024-04-06 09:28:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 199 proven. 293 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-04-06 09:28:09,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:09,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589258708] [2024-04-06 09:28:09,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589258708] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:09,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769549552] [2024-04-06 09:28:09,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 09:28:09,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:09,775 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) [2024-04-06 09:28:09,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 09:28:10,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 09:28:10,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:10,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-06 09:28:10,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 323 proven. 175 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-04-06 09:28:10,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 233 proven. 265 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-04-06 09:28:11,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769549552] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:11,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:11,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-04-06 09:28:11,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003006248] [2024-04-06 09:28:11,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:11,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-06 09:28:11,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:12,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-06 09:28:12,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=4441, Unknown=0, NotChecked=0, Total=5256 [2024-04-06 09:28:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:12,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:12,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.287671232876713) internal successors, (605), 73 states have internal predecessors, (605), 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) [2024-04-06 09:28:12,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:12,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 09:28:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:13,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-06 09:28:13,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-06 09:28:13,203 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)] === [2024-04-06 09:28:13,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:13,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1016809059, now seen corresponding path program 9 times [2024-04-06 09:28:13,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:13,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690573862] [2024-04-06 09:28:13,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:13,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 263 proven. 294 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-04-06 09:28:14,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:14,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690573862] [2024-04-06 09:28:14,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690573862] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:14,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306024649] [2024-04-06 09:28:14,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 09:28:14,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:14,372 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) [2024-04-06 09:28:14,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 09:28:15,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-06 09:28:15,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:15,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-06 09:28:15,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 211 proven. 53 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2024-04-06 09:28:15,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 236 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-04-06 09:28:16,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306024649] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:16,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:16,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 15, 12] total 53 [2024-04-06 09:28:16,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473505485] [2024-04-06 09:28:16,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:16,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-06 09:28:16,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:16,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-06 09:28:16,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=2507, Unknown=0, NotChecked=0, Total=2756 [2024-04-06 09:28:16,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:16,388 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:16,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 13.830188679245284) internal successors, (733), 53 states have internal predecessors, (733), 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) [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 09:28:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:16,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:16,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-06 09:28:18,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:18,958 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,SelfDestructingSolverStorable14 [2024-04-06 09:28:18,958 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)] === [2024-04-06 09:28:18,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1409432710, now seen corresponding path program 10 times [2024-04-06 09:28:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729842230] [2024-04-06 09:28:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:18,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 63 proven. 191 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-04-06 09:28:19,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:19,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729842230] [2024-04-06 09:28:19,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729842230] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:19,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334618900] [2024-04-06 09:28:19,774 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 09:28:19,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:19,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:19,775 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) [2024-04-06 09:28:19,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 09:28:19,995 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 09:28:19,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:19,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 09:28:20,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 128 proven. 126 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-04-06 09:28:20,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:21,592 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-06 09:28:21,592 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 [2024-04-06 09:28:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 82 proven. 172 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-04-06 09:28:22,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334618900] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:22,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-04-06 09:28:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159709806] [2024-04-06 09:28:22,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:22,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-06 09:28:22,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:22,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-06 09:28:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=3431, Unknown=0, NotChecked=0, Total=4032 [2024-04-06 09:28:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:22,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:22,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.296875) internal successors, (531), 64 states have internal predecessors, (531), 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) [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-06 09:28:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-06 09:28:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:23,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:23,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:23,293 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)] === [2024-04-06 09:28:23,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:23,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1172537806, now seen corresponding path program 11 times [2024-04-06 09:28:23,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:23,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147708673] [2024-04-06 09:28:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:23,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-04-06 09:28:23,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:23,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147708673] [2024-04-06 09:28:23,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147708673] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 09:28:23,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 09:28:23,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 09:28:23,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852908281] [2024-04-06 09:28:23,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 09:28:23,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 09:28:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:23,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 09:28:23,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-06 09:28:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:23,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:23,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 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) [2024-04-06 09:28:23,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:23,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:23,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:24,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-04-06 09:28:24,235 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)] === [2024-04-06 09:28:24,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1993833056, now seen corresponding path program 12 times [2024-04-06 09:28:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502184689] [2024-04-06 09:28:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 111 proven. 20 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-04-06 09:28:24,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:24,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502184689] [2024-04-06 09:28:24,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502184689] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:24,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729641293] [2024-04-06 09:28:24,629 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 09:28:24,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:24,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:24,643 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) [2024-04-06 09:28:24,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 09:28:25,375 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-06 09:28:25,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:25,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-06 09:28:25,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 100 proven. 31 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-04-06 09:28:25,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 112 proven. 19 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-04-06 09:28:25,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729641293] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:25,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:25,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 6] total 19 [2024-04-06 09:28:25,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24204594] [2024-04-06 09:28:25,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:25,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-06 09:28:25,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:26,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 09:28:26,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-04-06 09:28:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:26,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:26,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 25.157894736842106) internal successors, (478), 19 states have internal predecessors, (478), 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) [2024-04-06 09:28:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:28,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:28,429 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,SelfDestructingSolverStorable17 [2024-04-06 09:28:28,429 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)] === [2024-04-06 09:28:28,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2026480117, now seen corresponding path program 13 times [2024-04-06 09:28:28,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:28,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585491025] [2024-04-06 09:28:28,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 507 proven. 873 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-04-06 09:28:30,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:30,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585491025] [2024-04-06 09:28:30,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585491025] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:30,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056458128] [2024-04-06 09:28:30,105 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 09:28:30,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:30,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:30,106 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) [2024-04-06 09:28:30,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 09:28:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:30,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-06 09:28:30,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 1039 proven. 175 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2024-04-06 09:28:31,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 866 proven. 348 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2024-04-06 09:28:32,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056458128] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:32,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 27, 27] total 82 [2024-04-06 09:28:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076729269] [2024-04-06 09:28:32,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:32,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-06 09:28:32,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:32,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-06 09:28:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=5961, Unknown=0, NotChecked=0, Total=6642 [2024-04-06 09:28:32,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:32,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:32,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 9.658536585365853) internal successors, (792), 82 states have internal predecessors, (792), 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) [2024-04-06 09:28:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:32,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:35,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:28:35,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-06 09:28:36,007 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 [2024-04-06 09:28:36,007 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)] === [2024-04-06 09:28:36,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:36,008 INFO L85 PathProgramCache]: Analyzing trace with hash 743439033, now seen corresponding path program 14 times [2024-04-06 09:28:36,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:36,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014980022] [2024-04-06 09:28:36,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 609 proven. 892 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-04-06 09:28:37,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:37,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014980022] [2024-04-06 09:28:37,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014980022] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:37,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516794786] [2024-04-06 09:28:37,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 09:28:37,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:37,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:37,941 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) [2024-04-06 09:28:37,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 09:28:38,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 09:28:38,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:38,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-06 09:28:38,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 1108 proven. 232 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-04-06 09:28:39,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 866 proven. 474 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-04-06 09:28:40,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516794786] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:40,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:40,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 30, 30] total 91 [2024-04-06 09:28:40,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113028544] [2024-04-06 09:28:40,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:40,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-06 09:28:40,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:40,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-06 09:28:40,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=7355, Unknown=0, NotChecked=0, Total=8190 [2024-04-06 09:28:40,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:40,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:40,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 9.351648351648352) internal successors, (851), 91 states have internal predecessors, (851), 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) [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:28:40,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:28:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-06 09:28:43,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 09:28:43,939 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 [2024-04-06 09:28:43,940 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)] === [2024-04-06 09:28:43,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1510903939, now seen corresponding path program 15 times [2024-04-06 09:28:43,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:43,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008993795] [2024-04-06 09:28:43,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:43,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 711 proven. 908 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-04-06 09:28:45,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:45,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008993795] [2024-04-06 09:28:45,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008993795] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:45,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802691638] [2024-04-06 09:28:45,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 09:28:45,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:45,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:45,957 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) [2024-04-06 09:28:45,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-06 09:28:46,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 09:28:46,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:46,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 09:28:46,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 280 proven. 15 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2024-04-06 09:28:46,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 279 proven. 16 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2024-04-06 09:28:47,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802691638] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:47,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:47,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 10, 11] total 56 [2024-04-06 09:28:47,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018047013] [2024-04-06 09:28:47,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:47,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-04-06 09:28:47,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:47,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-04-06 09:28:47,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=2733, Unknown=0, NotChecked=0, Total=3080 [2024-04-06 09:28:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:47,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:47,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 10.678571428571429) internal successors, (598), 56 states have internal predecessors, (598), 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) [2024-04-06 09:28:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-06 09:28:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-06 09:28:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 09:28:50,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-06 09:28:50,548 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 [2024-04-06 09:28:50,550 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 09:28:50,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:28:50,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1639198581, now seen corresponding path program 16 times [2024-04-06 09:28:50,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:28:50,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004927901] [2024-04-06 09:28:50,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:28:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:28:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:28:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 745 proven. 631 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-04-06 09:28:52,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:28:52,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004927901] [2024-04-06 09:28:52,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004927901] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:28:52,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868419376] [2024-04-06 09:28:52,507 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 09:28:52,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:28:52,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:28:52,510 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) [2024-04-06 09:28:52,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-06 09:28:52,844 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 09:28:52,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:28:52,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-06 09:28:52,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:28:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 816 proven. 297 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-04-06 09:28:55,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:28:56,392 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-06 09:28:56,392 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 [2024-04-06 09:28:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 556 proven. 557 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-04-06 09:28:57,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868419376] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 09:28:57,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 09:28:57,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 34, 34] total 106 [2024-04-06 09:28:57,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033969121] [2024-04-06 09:28:57,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 09:28:57,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-04-06 09:28:57,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 09:28:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-04-06 09:28:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1158, Invalid=9972, Unknown=0, NotChecked=0, Total=11130 [2024-04-06 09:28:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:57,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 09:28:57,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 9.273584905660377) internal successors, (983), 106 states have internal predecessors, (983), 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) [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:28:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-06 09:28:57,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 09:28:57,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:29:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 09:29:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-06 09:29:01,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-06 09:29:02,157 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 [2024-04-06 09:29:02,157 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 09:29:02,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 09:29:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1433547507, now seen corresponding path program 17 times [2024-04-06 09:29:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 09:29:02,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598110077] [2024-04-06 09:29:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 09:29:02,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 09:29:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 09:29:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1934 backedges. 43 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 09:29:54,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 09:29:54,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598110077] [2024-04-06 09:29:54,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598110077] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 09:29:54,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839776083] [2024-04-06 09:29:54,633 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 09:29:54,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 09:29:54,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 09:29:54,634 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) [2024-04-06 09:29:54,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-06 09:30:06,351 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-04-06 09:30:06,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 09:30:06,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 327 conjunts are in the unsatisfiable core [2024-04-06 09:30:06,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 09:30:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,006 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,011 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,018 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,034 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,050 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,060 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 09:30:43,062 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,062 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 09:30:43,083 INFO L349 Elim1Store]: treesize reduction 84, result has 11.6 percent of original size [2024-04-06 09:30:43,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 510 treesize of output 138 [2024-04-06 09:30:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1934 backedges. 15 proven. 1919 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 09:30:43,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 09:32:58,314 WARN L293 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 3057 DAG size of output: 2203 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-06 09:32:58,315 INFO L349 Elim1Store]: treesize reduction 3540, result has 75.5 percent of original size [2024-04-06 09:32:58,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 48 select indices, 48 select index equivalence classes, 0 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 1128 case distinctions, treesize of input 573 treesize of output 11075 Received shutdown request... [2024-04-06 09:41:31,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-06 09:41:31,350 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 [2024-04-06 09:41:31,350 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 [2024-04-06 09:41:31,351 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 09:41:31,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-06 09:41:31,553 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 [2024-04-06 09:41:31,553 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 526 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-598-26-2-14-3-15-2-22-3-21-4-19-3-19-3-16-3-17-3-16-2-15-2-10-3-6-2-4-2-3-1 context. [2024-04-06 09:41:31,555 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-06 09:41:31,555 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-06 09:41:31,555 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-06 09:41:31,555 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-06 09:41:31,558 INFO L445 BasicCegarLoop]: Path program histogram: [17, 2, 1, 1, 1, 1] [2024-04-06 09:41:31,562 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 09:41:31,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 09:41:31,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 09:41:31 BasicIcfg [2024-04-06 09:41:31,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 09:41:31,566 INFO L158 Benchmark]: Toolchain (without parser) took 833068.25ms. Allocated memory was 176.2MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 106.3MB in the beginning and 888.0MB in the end (delta: -781.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-04-06 09:41:31,566 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 09:41:31,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.53ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 106.1MB in the beginning and 321.4MB in the end (delta: -215.4MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2024-04-06 09:41:31,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.33ms. Allocated memory is still 352.3MB. Free memory was 321.4MB in the beginning and 318.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-06 09:41:31,567 INFO L158 Benchmark]: Boogie Preprocessor took 44.54ms. Allocated memory is still 352.3MB. Free memory was 318.8MB in the beginning and 316.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 09:41:31,567 INFO L158 Benchmark]: RCFGBuilder took 714.10ms. Allocated memory is still 352.3MB. Free memory was 316.2MB in the beginning and 263.8MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2024-04-06 09:41:31,567 INFO L158 Benchmark]: TraceAbstraction took 832008.71ms. Allocated memory was 352.3MB in the beginning and 2.7GB in the end (delta: 2.3GB). Free memory was 262.7MB in the beginning and 888.0MB in the end (delta: -625.3MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-04-06 09:41:31,568 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 176.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 248.53ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 106.1MB in the beginning and 321.4MB in the end (delta: -215.4MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.33ms. Allocated memory is still 352.3MB. Free memory was 321.4MB in the beginning and 318.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.54ms. Allocated memory is still 352.3MB. Free memory was 318.8MB in the beginning and 316.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 714.10ms. Allocated memory is still 352.3MB. Free memory was 316.2MB in the beginning and 263.8MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * TraceAbstraction took 832008.71ms. Allocated memory was 352.3MB in the beginning and 2.7GB in the end (delta: 2.3GB). Free memory was 262.7MB in the beginning and 888.0MB in the end (delta: -625.3MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1320179, independent: 1195977, independent conditional: 1169813, independent unconditional: 26164, dependent: 124202, dependent conditional: 112042, dependent unconditional: 12160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1200469, independent: 1195977, independent conditional: 1169813, independent unconditional: 26164, dependent: 4492, dependent conditional: 4492, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1200469, independent: 1195977, independent conditional: 1169813, independent unconditional: 26164, dependent: 4492, dependent conditional: 4492, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1200469, independent: 1195977, independent conditional: 1169813, independent unconditional: 26164, dependent: 4492, dependent conditional: 4492, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1223805, independent: 1195977, independent conditional: 86437, independent unconditional: 1109540, dependent: 27828, dependent conditional: 12830, dependent unconditional: 14998, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1223805, independent: 1195977, independent conditional: 37928, independent unconditional: 1158049, dependent: 27828, dependent conditional: 3970, dependent unconditional: 23858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1223805, independent: 1195977, independent conditional: 37928, independent unconditional: 1158049, dependent: 27828, dependent conditional: 3970, dependent unconditional: 23858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1140, independent: 1065, independent conditional: 23, independent unconditional: 1042, dependent: 75, dependent conditional: 67, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1140, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 25, independent conditional: 23, independent unconditional: 2, dependent: 75, dependent conditional: 67, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 25, independent conditional: 23, independent unconditional: 2, dependent: 75, dependent conditional: 67, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 511, independent: 109, independent conditional: 93, independent unconditional: 16, dependent: 402, dependent conditional: 285, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1223805, independent: 1194912, independent conditional: 37905, independent unconditional: 1157007, dependent: 27753, dependent conditional: 3903, dependent unconditional: 23850, unknown: 1140, unknown conditional: 90, unknown unconditional: 1050] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1065, Positive conditional cache size: 23, Positive unconditional cache size: 1042, Negative cache size: 75, Negative conditional cache size: 67, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57369, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1223805, independent: 1195977, independent conditional: 86437, independent unconditional: 1109540, dependent: 27828, dependent conditional: 12830, dependent unconditional: 14998, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1223805, independent: 1195977, independent conditional: 37928, independent unconditional: 1158049, dependent: 27828, dependent conditional: 3970, dependent unconditional: 23858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1223805, independent: 1195977, independent conditional: 37928, independent unconditional: 1158049, dependent: 27828, dependent conditional: 3970, dependent unconditional: 23858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1140, independent: 1065, independent conditional: 23, independent unconditional: 1042, dependent: 75, dependent conditional: 67, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1140, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 25, independent conditional: 23, independent unconditional: 2, dependent: 75, dependent conditional: 67, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 25, independent conditional: 23, independent unconditional: 2, dependent: 75, dependent conditional: 67, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 511, independent: 109, independent conditional: 93, independent unconditional: 16, dependent: 402, dependent conditional: 285, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1223805, independent: 1194912, independent conditional: 37905, independent unconditional: 1157007, dependent: 27753, dependent conditional: 3903, dependent unconditional: 23850, unknown: 1140, unknown conditional: 90, unknown unconditional: 1050] , Statistics on independence cache: Total cache size (in pairs): 1140, Positive cache size: 1065, Positive conditional cache size: 23, Positive unconditional cache size: 1042, Negative cache size: 75, Negative conditional cache size: 67, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57369 ], Independence queries for same thread: 119710 - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 526 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-598-26-2-14-3-15-2-22-3-21-4-19-3-19-3-16-3-17-3-16-2-15-2-10-3-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 526 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-598-26-2-14-3-15-2-22-3-21-4-19-3-19-3-16-3-17-3-16-2-15-2-10-3-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 526 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-598-26-2-14-3-15-2-22-3-21-4-19-3-19-3-16-3-17-3-16-2-15-2-10-3-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 526 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-598-26-2-14-3-15-2-22-3-21-4-19-3-19-3-16-3-17-3-16-2-15-2-10-3-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 526 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-598-26-2-14-3-15-2-22-3-21-4-19-3-19-3-16-3-17-3-16-2-15-2-10-3-6-2-4-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 268 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 831.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 26.8s, 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: 820, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 37.9s InterpolantComputationTime, 12625 NumberOfCodeBlocks, 12069 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 18319 ConstructedInterpolants, 397 QuantifiedInterpolants, 68715 SizeOfPredicates, 258 NumberOfNonLiveVariables, 12948 ConjunctsInSsa, 323 ConjunctsInUnsatCore, 49 InterpolantComputations, 4 PerfectInterpolantSequences, 28023/36856 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