/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 12:28:49,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 12:28:49,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 12:28:49,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 12:28:49,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 12:28:49,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 12:28:49,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 12:28:49,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 12:28:49,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 12:28:49,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 12:28:49,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 12:28:49,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 12:28:49,186 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 12:28:49,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 12:28:49,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 12:28:49,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 12:28:49,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 12:28:49,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 12:28:49,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 12:28:49,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 12:28:49,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 12:28:49,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 12:28:49,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 12:28:49,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 12:28:49,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 12:28:49,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 12:28:49,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 12:28:49,190 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 12:28:49,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 12:28:49,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 12:28:49,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 12:28:49,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 12:28:49,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 12:28:49,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 12:28:49,192 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 12:28:49,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 12:28:49,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 12:28:49,193 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 12:28:49,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 12:28:49,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-05 12:28:49,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 12:28:49,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 12:28:49,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 12:28:49,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 12:28:49,436 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 12:28:49,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-04-05 12:28:50,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 12:28:50,695 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 12:28:50,696 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-04-05 12:28:50,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f0e36213c/ee9d90c43f7245ec9197e944734e70f6/FLAG4b4d6d659 [2024-04-05 12:28:50,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f0e36213c/ee9d90c43f7245ec9197e944734e70f6 [2024-04-05 12:28:50,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 12:28:50,715 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 12:28:50,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 12:28:50,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 12:28:50,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 12:28:50,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d039f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50, skipping insertion in model container [2024-04-05 12:28:50,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 12:28:50,883 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3373,3386] [2024-04-05 12:28:50,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 12:28:50,892 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 12:28:50,911 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3373,3386] [2024-04-05 12:28:50,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 12:28:50,917 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 12:28:50,917 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 12:28:50,923 INFO L206 MainTranslator]: Completed translation [2024-04-05 12:28:50,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50 WrapperNode [2024-04-05 12:28:50,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 12:28:50,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 12:28:50,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 12:28:50,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 12:28:50,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,963 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-04-05 12:28:50,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 12:28:50,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 12:28:50,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 12:28:50,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 12:28:50,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:50,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 12:28:50,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 12:28:50,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 12:28:50,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 12:28:50,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (1/1) ... [2024-04-05 12:28:51,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 12:28:51,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:28:51,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 12:28:51,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 12:28:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 12:28:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 12:28:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 12:28:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 12:28:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 12:28:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 12:28:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 12:28:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-05 12:28:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-05 12:28:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 12:28:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 12:28:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 12:28:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 12:28:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 12:28:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 12:28:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 12:28:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 12:28:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 12:28:51,074 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 12:28:51,165 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 12:28:51,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 12:28:51,421 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 12:28:51,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 12:28:51,515 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-05 12:28:51,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:28:51 BoogieIcfgContainer [2024-04-05 12:28:51,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 12:28:51,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 12:28:51,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 12:28:51,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 12:28:51,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 12:28:50" (1/3) ... [2024-04-05 12:28:51,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af8fb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:28:51, skipping insertion in model container [2024-04-05 12:28:51,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:28:50" (2/3) ... [2024-04-05 12:28:51,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af8fb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:28:51, skipping insertion in model container [2024-04-05 12:28:51,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:28:51" (3/3) ... [2024-04-05 12:28:51,523 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-04-05 12:28:51,530 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 12:28:51,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 12:28:51,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 12:28:51,537 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 12:28:51,589 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-05 12:28:51,625 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 12:28:51,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 12:28:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:28:51,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 12:28:51,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 12:28:51,657 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 12:28:51,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:28:51,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 12:28:51,671 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;@35f01f0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 12:28:51,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-05 12:28:52,401 INFO L85 PathProgramCache]: Analyzing trace with hash 738820654, now seen corresponding path program 1 times [2024-04-05 12:28:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:28:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 12:28:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:52,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:28:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 12:28:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 12:28:52,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 12:28:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1506728072, now seen corresponding path program 1 times [2024-04-05 12:28:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:53,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:28:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1027221441, now seen corresponding path program 2 times [2024-04-05 12:28:54,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:54,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:28:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:54,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1490250254, now seen corresponding path program 3 times [2024-04-05 12:28:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:54,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:54,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:28:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:54,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:28:54,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:28:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash 851921736, now seen corresponding path program 1 times [2024-04-05 12:28:54,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:28:54,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179603098] [2024-04-05 12:28:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:28:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-04-05 12:28:55,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:28:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179603098] [2024-04-05 12:28:55,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179603098] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:28:55,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 12:28:55,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 12:28:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097270732] [2024-04-05 12:28:55,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:28:55,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 12:28:55,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:28:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 12:28:55,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-05 12:28:55,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:28:55,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:28:55,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:28:55,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:28:55,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1843673928, now seen corresponding path program 4 times [2024-04-05 12:28:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:55,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:28:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:56,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1913086250, now seen corresponding path program 5 times [2024-04-05 12:28:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:56,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:28:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:56,440 INFO L85 PathProgramCache]: Analyzing trace with hash -893485315, now seen corresponding path program 6 times [2024-04-05 12:28:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:56,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:28:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:28:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:28:56,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-05 12:28:56,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:28:56,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:28:56,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2029386885, now seen corresponding path program 2 times [2024-04-05 12:28:56,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:28:56,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176404520] [2024-04-05 12:28:56,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:56,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:28:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-04-05 12:28:57,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:28:57,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176404520] [2024-04-05 12:28:57,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176404520] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:28:57,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162786469] [2024-04-05 12:28:57,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 12:28:57,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:28:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:28:57,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:28:57,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 12:28:57,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 12:28:57,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:28:57,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-05 12:28:57,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:28:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-04-05 12:28:57,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 12:28:57,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162786469] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:28:57,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 12:28:57,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-04-05 12:28:57,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079334598] [2024-04-05 12:28:57,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:28:57,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 12:28:57,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:28:57,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 12:28:57,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-04-05 12:28:57,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:28:57,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:28:57,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:28:57,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:28:57,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:28:58,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:28:58,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:28:58,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 12:28:58,457 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,SelfDestructingSolverStorable9 [2024-04-05 12:28:58,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:28:58,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:28:58,458 INFO L85 PathProgramCache]: Analyzing trace with hash -10387549, now seen corresponding path program 3 times [2024-04-05 12:28:58,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:28:58,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131558072] [2024-04-05 12:28:58,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:28:58,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:28:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:28:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-04-05 12:28:58,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:28:58,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131558072] [2024-04-05 12:28:58,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131558072] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:28:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854910278] [2024-04-05 12:28:58,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 12:28:58,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:28:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:28:58,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:28:58,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 12:28:59,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-05 12:28:59,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:28:59,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 12:28:59,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:28:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-04-05 12:28:59,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:28:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 175 proven. 19 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-04-05 12:28:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854910278] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:28:59,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:28:59,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2024-04-05 12:28:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338755407] [2024-04-05 12:28:59,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:28:59,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 12:28:59,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:28:59,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 12:28:59,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-04-05 12:28:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:28:59,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:28:59,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 14 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:28:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:28:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:28:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:29:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:29:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:29:00,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 12:29:00,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:29:00,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:29:00,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:29:00,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1189536946, now seen corresponding path program 4 times [2024-04-05 12:29:00,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:29:00,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943411240] [2024-04-05 12:29:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:29:00,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:29:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:29:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-04-05 12:29:01,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:29:01,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943411240] [2024-04-05 12:29:01,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943411240] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:29:01,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 12:29:01,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 12:29:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334417482] [2024-04-05 12:29:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:29:01,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 12:29:01,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:29:01,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 12:29:01,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-05 12:29:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:29:01,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:29:01,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:29:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:29:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:29:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:29:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:29:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:29:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:03,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-05 12:29:03,082 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:29:03,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:29:03,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1960909666, now seen corresponding path program 5 times [2024-04-05 12:29:03,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:29:03,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448535075] [2024-04-05 12:29:03,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:29:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:29:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:29:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 826 proven. 4 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-04-05 12:29:04,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:29:04,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448535075] [2024-04-05 12:29:04,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448535075] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:29:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101219502] [2024-04-05 12:29:04,078 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 12:29:04,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:29:04,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:29:04,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:29:04,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 12:29:04,309 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-04-05 12:29:04,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:29:04,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 12:29:04,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:29:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 833 proven. 110 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2024-04-05 12:29:04,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:29:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 826 proven. 4 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-04-05 12:29:04,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101219502] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:29:04,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:29:04,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-04-05 12:29:04,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787060240] [2024-04-05 12:29:04,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:29:04,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-05 12:29:04,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:29:04,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-05 12:29:04,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-04-05 12:29:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:29:04,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:29:04,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.928571428571429) internal successors, (167), 14 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:29:04,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:04,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:29:04,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:29:04,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:04,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:29:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:29:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:29:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 12:29:06,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 12:29:06,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:29:06,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:29:06,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:29:06,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1091151426, now seen corresponding path program 6 times [2024-04-05 12:29:06,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:29:06,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621286736] [2024-04-05 12:29:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:29:06,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:29:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:29:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 252 proven. 1706 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-04-05 12:29:24,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:29:24,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621286736] [2024-04-05 12:29:24,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621286736] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:29:24,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558496848] [2024-04-05 12:29:24,087 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 12:29:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:29:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:29:24,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:29:24,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 12:29:24,459 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-04-05 12:29:24,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:29:24,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 139 conjunts are in the unsatisfiable core [2024-04-05 12:29:24,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:29:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 228 proven. 1727 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-05 12:29:41,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:29:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 179 proven. 1815 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 12:29:52,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558496848] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:29:52,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:29:52,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 111] total 267 [2024-04-05 12:29:52,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148194320] [2024-04-05 12:29:52,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:29:52,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 267 states [2024-04-05 12:29:52,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:29:52,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 267 interpolants. [2024-04-05 12:29:52,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13392, Invalid=57630, Unknown=0, NotChecked=0, Total=71022 [2024-04-05 12:29:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:29:52,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:29:52,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 267 states, 267 states have (on average 2.906367041198502) internal successors, (776), 267 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:29:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:29:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:29:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:29:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 12:29:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:30:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:30:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:30:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:30:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:30:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 12:30:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-04-05 12:30:31,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 12:30:31,580 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,SelfDestructingSolverStorable13 [2024-04-05 12:30:31,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:30:31,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:30:31,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1886087408, now seen corresponding path program 7 times [2024-04-05 12:30:31,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:30:31,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570706481] [2024-04-05 12:30:31,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:30:31,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:30:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:30:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 839 proven. 3 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-04-05 12:30:32,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:30:32,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570706481] [2024-04-05 12:30:32,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570706481] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:30:32,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850519389] [2024-04-05 12:30:32,151 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 12:30:32,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:30:32,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:30:32,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:30:32,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 12:30:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:30:32,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-05 12:30:32,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:30:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 702 proven. 71 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2024-04-05 12:30:32,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:30:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 749 proven. 1 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-04-05 12:30:32,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850519389] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:30:32,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:30:32,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 17 [2024-04-05 12:30:32,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497226251] [2024-04-05 12:30:32,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:30:32,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-05 12:30:32,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:30:32,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-05 12:30:32,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-04-05 12:30:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:30:32,823 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:30:32,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.235294117647058) internal successors, (208), 17 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-04-05 12:30:32,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2024-04-05 12:30:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-05 12:30:33,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 12:30:33,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-05 12:30:33,955 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 12:30:33,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:30:33,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1830471324, now seen corresponding path program 8 times [2024-04-05 12:30:33,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:30:33,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826044016] [2024-04-05 12:30:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:30:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:30:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:30:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 217 proven. 261 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-05 12:30:38,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:30:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826044016] [2024-04-05 12:30:38,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826044016] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:30:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51945980] [2024-04-05 12:30:38,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 12:30:38,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:30:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:30:38,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:30:38,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 12:30:38,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 12:30:38,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:30:38,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-05 12:30:38,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:31:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 178 proven. 284 refuted. 3 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 12:31:57,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:32:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 198 proven. 267 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 12:32:00,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51945980] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:32:00,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:32:00,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 129 [2024-04-05 12:32:00,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7529836] [2024-04-05 12:32:00,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:32:00,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-04-05 12:32:00,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:32:00,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-04-05 12:32:00,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2695, Invalid=13799, Unknown=18, NotChecked=0, Total=16512 [2024-04-05 12:32:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:32:00,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:32:00,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 3.5193798449612403) internal successors, (454), 129 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:32:00,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:32:00,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 12:32:00,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 12:32:00,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:32:00,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 12:32:00,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2024-04-05 12:32:00,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-05 12:32:00,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:32:21,952 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 [] [2024-04-05 12:32:23,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:32:52,337 WARN L293 SmtUtils]: Spent 14.15s on a formula simplification. DAG size of input: 257 DAG size of output: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:33:13,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:33:26,665 WARN L293 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 243 DAG size of output: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:33:47,832 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 243 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:33:50,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:33:51,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:33:52,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:34:20,593 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 212 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:34:23,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:34:36,238 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 200 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:34:38,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:34:50,266 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 257 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:34:54,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:34:56,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:34:58,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:00,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:13,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:15,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:18,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:32,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:34,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:42,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:35:58,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:00,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:02,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:14,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:16,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:26,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:29,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:30,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:36:42,329 WARN L293 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 198 DAG size of output: 35 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:36:44,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:37:00,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:37:01,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:37:22,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:37:24,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:37:26,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:38:35,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:39:25,399 WARN L293 SmtUtils]: Spent 15.13s on a formula simplification. DAG size of input: 228 DAG size of output: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:39:36,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:40:05,043 WARN L293 SmtUtils]: Spent 16.63s on a formula simplification. DAG size of input: 232 DAG size of output: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:40:17,636 WARN L293 SmtUtils]: Spent 10.54s on a formula simplification. DAG size of input: 257 DAG size of output: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:40:28,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:41:02,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:41:16,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:41:48,864 WARN L293 SmtUtils]: Spent 14.55s on a formula simplification. DAG size of input: 201 DAG size of output: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 12:42:12,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 12:42:25,081 WARN L293 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 187 DAG size of output: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-04-05 12:43:01,358 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 12:43:01,370 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 12:43:01,370 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 12:43:02,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 12:43:02,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 12:43:02,570 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-04-05 12:43:02,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-04-05 12:43:02,579 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-04-05 12:43:02,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-05 12:43:02,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-05 12:43:02,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-05 12:43:02,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-05 12:43:02,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-05 12:43:02,581 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 137 [2024-04-05 12:43:02,584 INFO L445 BasicCegarLoop]: Path program histogram: [8, 6, 1] [2024-04-05 12:43:02,586 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 12:43:02,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 12:43:02,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 12:43:02 BasicIcfg [2024-04-05 12:43:02,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 12:43:02,588 INFO L158 Benchmark]: Toolchain (without parser) took 851873.11ms. Allocated memory was 289.4MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 220.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 291.6MB. Max. memory is 8.0GB. [2024-04-05 12:43:02,588 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 12:43:02,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.95ms. Allocated memory is still 289.4MB. Free memory was 220.6MB in the beginning and 208.8MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 12:43:02,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.63ms. Allocated memory is still 289.4MB. Free memory was 208.8MB in the beginning and 207.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 12:43:02,588 INFO L158 Benchmark]: Boogie Preprocessor took 32.25ms. Allocated memory is still 289.4MB. Free memory was 207.0MB in the beginning and 205.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 12:43:02,588 INFO L158 Benchmark]: RCFGBuilder took 519.34ms. Allocated memory is still 289.4MB. Free memory was 205.4MB in the beginning and 256.7MB in the end (delta: -51.3MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. [2024-04-05 12:43:02,588 INFO L158 Benchmark]: TraceAbstraction took 851069.40ms. Allocated memory was 289.4MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 255.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 325.8MB. Max. memory is 8.0GB. [2024-04-05 12:43:02,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.95ms. Allocated memory is still 289.4MB. Free memory was 220.6MB in the beginning and 208.8MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.63ms. Allocated memory is still 289.4MB. Free memory was 208.8MB in the beginning and 207.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.25ms. Allocated memory is still 289.4MB. Free memory was 207.0MB in the beginning and 205.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 519.34ms. Allocated memory is still 289.4MB. Free memory was 205.4MB in the beginning and 256.7MB in the end (delta: -51.3MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. * TraceAbstraction took 851069.40ms. Allocated memory was 289.4MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 255.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 325.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 552176, independent: 494585, independent conditional: 489221, independent unconditional: 5364, dependent: 57589, dependent conditional: 54941, dependent unconditional: 2648, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 505136, independent: 494585, independent conditional: 489221, independent unconditional: 5364, dependent: 10549, dependent conditional: 10386, dependent unconditional: 163, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 505136, independent: 494585, independent conditional: 489221, independent unconditional: 5364, dependent: 10549, dependent conditional: 10386, dependent unconditional: 163, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 505136, independent: 494585, independent conditional: 489221, independent unconditional: 5364, dependent: 10549, dependent conditional: 10386, dependent unconditional: 163, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 538211, independent: 494585, independent conditional: 30824, independent unconditional: 463761, dependent: 43624, dependent conditional: 24708, dependent unconditional: 18916, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 538211, independent: 494585, independent conditional: 28453, independent unconditional: 466132, dependent: 43624, dependent conditional: 10420, dependent unconditional: 33204, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 538211, independent: 494585, independent conditional: 28453, independent unconditional: 466132, dependent: 43624, dependent conditional: 10420, dependent unconditional: 33204, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1055, independent: 972, independent conditional: 0, independent unconditional: 972, dependent: 82, dependent conditional: 70, dependent unconditional: 12, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1055, independent: 972, independent conditional: 0, independent unconditional: 972, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 70, dependent unconditional: 12, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 70, dependent unconditional: 12, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2760, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1754, dependent conditional: 1041, dependent unconditional: 713, unknown: 1007, unknown conditional: 1007, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 538211, independent: 493613, independent conditional: 28453, independent unconditional: 465160, dependent: 43542, dependent conditional: 10350, dependent unconditional: 33192, unknown: 1056, unknown conditional: 72, unknown unconditional: 984] , Statistics on independence cache: Total cache size (in pairs): 1054, Positive cache size: 972, Positive conditional cache size: 0, Positive unconditional cache size: 972, Negative cache size: 82, Negative conditional cache size: 70, Negative unconditional cache size: 12, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 16659, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 538211, independent: 494585, independent conditional: 30824, independent unconditional: 463761, dependent: 43624, dependent conditional: 24708, dependent unconditional: 18916, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 538211, independent: 494585, independent conditional: 28453, independent unconditional: 466132, dependent: 43624, dependent conditional: 10420, dependent unconditional: 33204, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 538211, independent: 494585, independent conditional: 28453, independent unconditional: 466132, dependent: 43624, dependent conditional: 10420, dependent unconditional: 33204, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1055, independent: 972, independent conditional: 0, independent unconditional: 972, dependent: 82, dependent conditional: 70, dependent unconditional: 12, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1055, independent: 972, independent conditional: 0, independent unconditional: 972, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 70, dependent unconditional: 12, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 70, dependent unconditional: 12, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2760, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1754, dependent conditional: 1041, dependent unconditional: 713, unknown: 1007, unknown conditional: 1007, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 538211, independent: 493613, independent conditional: 28453, independent unconditional: 465160, dependent: 43542, dependent conditional: 10350, dependent unconditional: 33192, unknown: 1056, unknown conditional: 72, unknown unconditional: 984] , Statistics on independence cache: Total cache size (in pairs): 1054, Positive cache size: 972, Positive conditional cache size: 0, Positive unconditional cache size: 972, Negative cache size: 82, Negative conditional cache size: 70, Negative unconditional cache size: 12, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 16659 ], Independence queries for same thread: 47040 - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 131]: 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 9 procedures, 159 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 850.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 712.1s, 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: 523, 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: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 135.2s InterpolantComputationTime, 3330 NumberOfCodeBlocks, 3173 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 4607 ConstructedInterpolants, 0 QuantifiedInterpolants, 36324 SizeOfPredicates, 85 NumberOfNonLiveVariables, 2407 ConjunctsInSsa, 245 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 14047/20334 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