/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 00:14:03,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 00:14:03,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 00:14:03,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 00:14:03,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 00:14:03,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 00:14:03,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 00:14:03,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 00:14:03,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 00:14:03,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 00:14:03,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 00:14:03,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 00:14:03,499 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 00:14:03,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 00:14:03,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 00:14:03,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 00:14:03,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 00:14:03,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 00:14:03,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 00:14:03,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 00:14:03,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 00:14:03,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 00:14:03,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 00:14:03,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 00:14:03,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 00:14:03,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 00:14:03,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 00:14:03,503 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 00:14:03,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 00:14:03,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 00:14:03,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 00:14:03,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 00:14:03,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 00:14:03,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 00:14:03,504 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 00:14:03,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 00:14:03,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 00:14:03,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 00:14:03,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 00:14:03,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 00:14:03,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 00:14:03,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 00:14:03,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 00:14:03,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 00:14:03,751 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 00:14:03,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-04-04 00:14:04,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 00:14:04,848 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 00:14:04,849 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-04-04 00:14:04,856 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5cd655724/84ad341c883541179f18288411db7587/FLAG499bae106 [2024-04-04 00:14:05,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5cd655724/84ad341c883541179f18288411db7587 [2024-04-04 00:14:05,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 00:14:05,272 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 00:14:05,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 00:14:05,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 00:14:05,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 00:14:05,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fab7bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05, skipping insertion in model container [2024-04-04 00:14:05,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 00:14:05,419 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-more-multiply-verify.wvr.c[3042,3055] [2024-04-04 00:14:05,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 00:14:05,431 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 00:14:05,447 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-more-multiply-verify.wvr.c[3042,3055] [2024-04-04 00:14:05,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 00:14:05,455 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 00:14:05,455 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 00:14:05,460 INFO L206 MainTranslator]: Completed translation [2024-04-04 00:14:05,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05 WrapperNode [2024-04-04 00:14:05,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 00:14:05,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 00:14:05,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 00:14:05,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 00:14:05,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,499 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 186 [2024-04-04 00:14:05,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 00:14:05,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 00:14:05,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 00:14:05,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 00:14:05,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 00:14:05,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 00:14:05,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 00:14:05,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 00:14:05,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (1/1) ... [2024-04-04 00:14:05,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 00:14:05,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:05,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 00:14:05,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 00:14:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 00:14:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 00:14:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 00:14:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 00:14:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 00:14:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 00:14:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 00:14:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 00:14:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 00:14:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 00:14:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 00:14:05,598 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 00:14:05,713 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 00:14:05,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 00:14:05,950 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 00:14:06,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 00:14:06,056 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 00:14:06,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:14:06 BoogieIcfgContainer [2024-04-04 00:14:06,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 00:14:06,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 00:14:06,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 00:14:06,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 00:14:06,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:14:05" (1/3) ... [2024-04-04 00:14:06,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6ae033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:14:06, skipping insertion in model container [2024-04-04 00:14:06,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:05" (2/3) ... [2024-04-04 00:14:06,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6ae033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:14:06, skipping insertion in model container [2024-04-04 00:14:06,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:14:06" (3/3) ... [2024-04-04 00:14:06,064 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-04-04 00:14:06,070 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 00:14:06,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 00:14:06,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 00:14:06,077 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 00:14:06,131 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 00:14:06,168 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 00:14:06,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 00:14:06,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:06,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 00:14:06,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 00:14:06,197 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 00:14:06,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:06,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 00:14:06,212 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;@7fd2a09b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 00:14:06,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 00:14:06,280 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 1 more)] === [2024-04-04 00:14:06,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1469579016, now seen corresponding path program 1 times [2024-04-04 00:14:06,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:06,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155815246] [2024-04-04 00:14:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:06,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:14:06,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:06,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155815246] [2024-04-04 00:14:06,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155815246] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:14:06,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:14:06,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 00:14:06,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865292941] [2024-04-04 00:14:06,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:14:06,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 00:14:06,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:06,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 00:14:06,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 00:14:06,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:06,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:06,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:06,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 00:14:06,820 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 1 more)] === [2024-04-04 00:14:06,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash 540476356, now seen corresponding path program 1 times [2024-04-04 00:14:06,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:06,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435642099] [2024-04-04 00:14:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:06,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:14:07,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:07,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435642099] [2024-04-04 00:14:07,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435642099] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:14:07,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:14:07,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 00:14:07,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121631966] [2024-04-04 00:14:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:14:07,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 00:14:07,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:07,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 00:14:07,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 00:14:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:07,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:07,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:07,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 00:14:07,209 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 1 more)] === [2024-04-04 00:14:07,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1905089476, now seen corresponding path program 2 times [2024-04-04 00:14:07,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:07,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185551401] [2024-04-04 00:14:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:07,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:07,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:07,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185551401] [2024-04-04 00:14:07,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185551401] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:07,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204331652] [2024-04-04 00:14:07,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:14:07,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:07,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:07,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:07,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 00:14:07,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-04 00:14:07,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:07,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-04 00:14:07,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:14:07,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 00:14:07,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204331652] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:14:07,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 00:14:07,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-04-04 00:14:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054671030] [2024-04-04 00:14:07,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:14:07,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 00:14:07,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:07,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 00:14:07,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-04 00:14:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:07,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:07,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:07,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:07,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:08,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 00:14:08,190 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 1 more)] === [2024-04-04 00:14:08,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash 547527253, now seen corresponding path program 1 times [2024-04-04 00:14:08,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:08,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712160945] [2024-04-04 00:14:08,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:08,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:08,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:08,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712160945] [2024-04-04 00:14:08,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712160945] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:08,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322930481] [2024-04-04 00:14:08,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:08,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:08,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:08,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:08,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 00:14:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:08,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 00:14:08,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:08,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:08,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322930481] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:08,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:08,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 00:14:08,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6872945] [2024-04-04 00:14:08,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:08,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 00:14:08,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:08,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 00:14:08,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-04 00:14:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:08,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:08,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:08,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:08,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:08,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:08,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:09,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:09,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:09,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:09,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:09,282 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 1 more)] === [2024-04-04 00:14:09,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:09,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2019342310, now seen corresponding path program 2 times [2024-04-04 00:14:09,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:09,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950733182] [2024-04-04 00:14:09,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:09,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 00:14:09,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:09,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950733182] [2024-04-04 00:14:09,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950733182] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:14:09,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:14:09,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 00:14:09,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933422387] [2024-04-04 00:14:09,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:14:09,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 00:14:09,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:09,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 00:14:09,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-04 00:14:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:09,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:09,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:09,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:09,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:09,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:09,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:09,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:14:09,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 00:14:09,505 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 1 more)] === [2024-04-04 00:14:09,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:09,505 INFO L85 PathProgramCache]: Analyzing trace with hash -243412045, now seen corresponding path program 1 times [2024-04-04 00:14:09,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455105835] [2024-04-04 00:14:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:09,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 00:14:09,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455105835] [2024-04-04 00:14:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455105835] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:09,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337705683] [2024-04-04 00:14:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:09,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:09,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:09,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 00:14:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:09,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 00:14:09,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 00:14:10,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 00:14:10,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337705683] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:10,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:10,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-04-04 00:14:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439975106] [2024-04-04 00:14:10,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:10,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-04 00:14:10,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:10,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-04 00:14:10,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-04-04 00:14:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:10,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:10,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.35) internal successors, (187), 20 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:10,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:10,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:10,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:10,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:10,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:14:10,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:14:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:14:11,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:11,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:11,305 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 1 more)] === [2024-04-04 00:14:11,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:11,305 INFO L85 PathProgramCache]: Analyzing trace with hash 762666790, now seen corresponding path program 2 times [2024-04-04 00:14:11,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:11,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67576267] [2024-04-04 00:14:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:16,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:16,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67576267] [2024-04-04 00:14:16,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67576267] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:16,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310751737] [2024-04-04 00:14:16,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:14:16,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:16,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:16,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:16,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 00:14:17,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:14:17,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:17,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-04 00:14:17,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:17,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-04 00:14:18,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 00:14:18,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 00:14:18,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-04 00:14:19,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 00:14:19,609 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 51 treesize of output 25 [2024-04-04 00:14:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:19,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:25,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 00:14:25,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 213 treesize of output 153 [2024-04-04 00:14:25,955 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size [2024-04-04 00:14:25,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3346 treesize of output 3165 [2024-04-04 00:14:25,986 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 00:14:25,988 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 00:14:26,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 00:14:26,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 565 treesize of output 507 [2024-04-04 00:14:26,036 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 00:14:26,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 00:14:26,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 00:14:26,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 487 treesize of output 468 [2024-04-04 00:14:26,120 INFO L349 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2024-04-04 00:14:26,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 551 treesize of output 415 [2024-04-04 00:14:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:29,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310751737] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:29,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:29,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 36, 31] total 94 [2024-04-04 00:14:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126404067] [2024-04-04 00:14:29,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:29,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-04-04 00:14:29,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:30,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-04-04 00:14:30,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=918, Invalid=7749, Unknown=75, NotChecked=0, Total=8742 [2024-04-04 00:14:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:30,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:30,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.117021276595745) internal successors, (387), 94 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:14:30,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:36,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:38,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:42,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:44,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:46,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:49,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:51,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:53,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:55,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:57,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 00:14:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:14:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:14:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:14:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:14:59,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 00:14:59,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:59,520 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,SelfDestructingSolverStorable6 [2024-04-04 00:14:59,521 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 1 more)] === [2024-04-04 00:14:59,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:59,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1376818920, now seen corresponding path program 3 times [2024-04-04 00:14:59,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:59,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332650144] [2024-04-04 00:14:59,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:59,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:15:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:15:00,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:15:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332650144] [2024-04-04 00:15:00,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332650144] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:15:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754480369] [2024-04-04 00:15:00,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:15:00,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:15:00,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:15:00,102 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) [2024-04-04 00:15:00,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 00:15:00,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 00:15:00,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:15:00,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-04 00:15:00,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:15:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:15:00,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:15:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 22 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-04 00:15:02,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754480369] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:15:02,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:15:02,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 20] total 45 [2024-04-04 00:15:02,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668316972] [2024-04-04 00:15:02,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:15:02,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-04 00:15:02,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:15:02,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-04 00:15:02,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1771, Unknown=0, NotChecked=0, Total=1980 [2024-04-04 00:15:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:02,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:15:02,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.622222222222222) internal successors, (253), 45 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 00:15:02,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:10,971 WARN L293 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 72 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:15:29,570 WARN L293 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 85 DAG size of output: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:15:50,438 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 76 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:16:18,112 WARN L293 SmtUtils]: Spent 20.18s on a formula simplification. DAG size of input: 89 DAG size of output: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:16:31,496 WARN L293 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 67 DAG size of output: 46 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:16:47,776 WARN L293 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 79 DAG size of output: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:16:54,722 WARN L293 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 41 DAG size of output: 35 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:17:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 00:17:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-04 00:17:29,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 00:17:30,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:17:30,065 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 1 more)] === [2024-04-04 00:17:30,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:17:30,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1458690484, now seen corresponding path program 4 times [2024-04-04 00:17:30,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:17:30,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795329238] [2024-04-04 00:17:30,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:17:30,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:17:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:17:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 72 proven. 224 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:17:31,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:17:31,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795329238] [2024-04-04 00:17:31,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795329238] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:17:31,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254312141] [2024-04-04 00:17:31,358 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:17:31,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:17:31,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:17:31,359 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) [2024-04-04 00:17:31,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 00:17:31,523 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:17:31,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:17:31,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 62 conjunts are in the unsatisfiable core [2024-04-04 00:17:31,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:17:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 72 proven. 224 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:17:32,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:17:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 72 proven. 224 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:17:35,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254312141] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:17:35,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:17:35,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 90 [2024-04-04 00:17:35,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787176543] [2024-04-04 00:17:35,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:17:35,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-04-04 00:17:35,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:17:35,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-04-04 00:17:35,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=7512, Unknown=0, NotChecked=0, Total=8010 [2024-04-04 00:17:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:35,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:17:35,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.011111111111111) internal successors, (361), 90 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-04 00:17:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:18:14,457 WARN L293 SmtUtils]: Spent 17.68s on a formula simplification. DAG size of input: 99 DAG size of output: 96 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:18:15,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:18:19,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:18:21,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:18:47,501 WARN L293 SmtUtils]: Spent 20.88s on a formula simplification. DAG size of input: 100 DAG size of output: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:18:49,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:18:52,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:18:53,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:19:26,904 WARN L293 SmtUtils]: Spent 17.42s on a formula simplification. DAG size of input: 103 DAG size of output: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:19:50,997 WARN L293 SmtUtils]: Spent 16.37s on a formula simplification. DAG size of input: 107 DAG size of output: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:20:02,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:20:26,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:20:28,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:20:30,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:14,513 WARN L293 SmtUtils]: Spent 13.86s on a formula simplification. DAG size of input: 85 DAG size of output: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:21:16,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:18,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:20,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:23,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:47,662 WARN L293 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 84 DAG size of output: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:21:49,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:51,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:21:53,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:22:20,204 WARN L293 SmtUtils]: Spent 16.94s on a formula simplification. DAG size of input: 86 DAG size of output: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:22:22,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:22:45,637 WARN L293 SmtUtils]: Spent 14.49s on a formula simplification. DAG size of input: 90 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:22:57,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:23:12,173 WARN L293 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 74 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:23:53,270 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 72 DAG size of output: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:23:55,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:23:57,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:23:59,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:01,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:03,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:05,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:07,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:09,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:25,368 WARN L293 SmtUtils]: Spent 9.53s on a formula simplification. DAG size of input: 71 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:24:45,783 WARN L293 SmtUtils]: Spent 9.29s on a formula simplification. DAG size of input: 73 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:24:47,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:24:49,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:25:06,021 WARN L293 SmtUtils]: Spent 10.60s on a formula simplification. DAG size of input: 77 DAG size of output: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 00:25:49,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:25:51,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:25:53,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:25:55,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:25:57,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:26:14,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 00:27:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-04 00:27:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-04-04 00:27:47,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 00:27:47,581 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,SelfDestructingSolverStorable8 [2024-04-04 00:27:47,581 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 1 more)] === [2024-04-04 00:27:47,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:27:47,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1162423116, now seen corresponding path program 5 times [2024-04-04 00:27:47,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:27:47,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386809924] [2024-04-04 00:27:47,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:27:47,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:27:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:27:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 152 proven. 1080 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:27:51,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:27:51,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386809924] [2024-04-04 00:27:51,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386809924] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:27:51,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506815965] [2024-04-04 00:27:51,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:27:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:27:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:27:51,292 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) [2024-04-04 00:27:51,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Received shutdown request... [2024-04-04 00:28:31,184 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:28:31,184 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:28:31,189 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:28:32,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-04 00:28:32,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-04 00:28:32,410 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2024-04-04 00:28:32,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 137 [2024-04-04 00:28:32,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 00:28:32,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-04 00:28:32,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2024-04-04 00:28:32,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788060056] [2024-04-04 00:28:32,416 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-04 00:28:32,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-04-04 00:28:32,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:28:32,419 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 00:28:32,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-04 00:28:32,419 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-04-04 00:28:32,420 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 00:28:32,420 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 00:28:32,420 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 00:28:32,425 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1] [2024-04-04 00:28:32,426 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 00:28:32,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 00:28:32,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:28:32 BasicIcfg [2024-04-04 00:28:32,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 00:28:32,429 INFO L158 Benchmark]: Toolchain (without parser) took 867157.35ms. Allocated memory was 330.3MB in the beginning and 725.6MB in the end (delta: 395.3MB). Free memory was 257.6MB in the beginning and 531.3MB in the end (delta: -273.7MB). Peak memory consumption was 122.9MB. Max. memory is 8.0GB. [2024-04-04 00:28:32,429 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 330.3MB. Free memory is still 298.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 00:28:32,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.08ms. Allocated memory is still 330.3MB. Free memory was 257.3MB in the beginning and 245.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 00:28:32,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.02ms. Allocated memory is still 330.3MB. Free memory was 245.3MB in the beginning and 242.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:28:32,430 INFO L158 Benchmark]: Boogie Preprocessor took 22.00ms. Allocated memory is still 330.3MB. Free memory was 242.9MB in the beginning and 241.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:28:32,430 INFO L158 Benchmark]: RCFGBuilder took 535.39ms. Allocated memory is still 330.3MB. Free memory was 241.3MB in the beginning and 212.8MB in the end (delta: 28.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-04-04 00:28:32,431 INFO L158 Benchmark]: TraceAbstraction took 866368.87ms. Allocated memory was 330.3MB in the beginning and 725.6MB in the end (delta: 395.3MB). Free memory was 211.7MB in the beginning and 531.3MB in the end (delta: -319.6MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. [2024-04-04 00:28:32,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 330.3MB. Free memory is still 298.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 188.08ms. Allocated memory is still 330.3MB. Free memory was 257.3MB in the beginning and 245.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.02ms. Allocated memory is still 330.3MB. Free memory was 245.3MB in the beginning and 242.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.00ms. Allocated memory is still 330.3MB. Free memory was 242.9MB in the beginning and 241.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 535.39ms. Allocated memory is still 330.3MB. Free memory was 241.3MB in the beginning and 212.8MB in the end (delta: 28.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 866368.87ms. Allocated memory was 330.3MB in the beginning and 725.6MB in the end (delta: 395.3MB). Free memory was 211.7MB in the beginning and 531.3MB in the end (delta: -319.6MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8056, independent: 6555, independent conditional: 6547, independent unconditional: 8, dependent: 1501, dependent conditional: 1477, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6563, independent: 6555, independent conditional: 6547, independent unconditional: 8, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6563, independent: 6555, independent conditional: 6547, independent unconditional: 8, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6563, independent: 6555, independent conditional: 6547, independent unconditional: 8, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6624, independent: 6555, independent conditional: 1821, independent unconditional: 4734, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6624, independent: 6555, independent conditional: 1363, independent unconditional: 5192, dependent: 69, dependent conditional: 3, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6624, independent: 6555, independent conditional: 1363, independent unconditional: 5192, dependent: 69, dependent conditional: 3, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 512, independent: 509, independent conditional: 124, independent unconditional: 385, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 512, independent: 503, independent conditional: 0, independent unconditional: 503, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 23, independent conditional: 23, independent unconditional: 0, dependent: 37, dependent conditional: 2, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6624, independent: 6046, independent conditional: 1239, independent unconditional: 4807, dependent: 66, dependent conditional: 2, dependent unconditional: 64, unknown: 512, unknown conditional: 125, unknown unconditional: 387] , Statistics on independence cache: Total cache size (in pairs): 512, Positive cache size: 509, Positive conditional cache size: 124, Positive unconditional cache size: 385, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 470, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6624, independent: 6555, independent conditional: 1821, independent unconditional: 4734, dependent: 69, dependent conditional: 15, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6624, independent: 6555, independent conditional: 1363, independent unconditional: 5192, dependent: 69, dependent conditional: 3, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6624, independent: 6555, independent conditional: 1363, independent unconditional: 5192, dependent: 69, dependent conditional: 3, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 512, independent: 509, independent conditional: 124, independent unconditional: 385, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 512, independent: 503, independent conditional: 0, independent unconditional: 503, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 23, independent conditional: 23, independent unconditional: 0, dependent: 37, dependent conditional: 2, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6624, independent: 6046, independent conditional: 1239, independent unconditional: 4807, dependent: 66, dependent conditional: 2, dependent unconditional: 64, unknown: 512, unknown conditional: 125, unknown unconditional: 387] , Statistics on independence cache: Total cache size (in pairs): 512, Positive cache size: 509, Positive conditional cache size: 124, Positive unconditional cache size: 385, Negative cache size: 3, Negative conditional cache size: 1, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 470 ], Independence queries for same thread: 1493 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 186 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 790.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 378, 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: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 2596 NumberOfCodeBlocks, 2586 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3408 ConstructedInterpolants, 37 QuantifiedInterpolants, 35212 SizeOfPredicates, 93 NumberOfNonLiveVariables, 2079 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 724/2695 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