/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 20:14:00,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 20:14:00,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 20:14:00,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 20:14:00,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 20:14:00,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 20:14:00,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 20:14:00,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 20:14:00,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 20:14:00,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 20:14:00,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 20:14:00,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 20:14:00,212 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 20:14:00,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 20:14:00,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 20:14:00,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 20:14:00,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 20:14:00,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 20:14:00,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 20:14:00,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 20:14:00,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 20:14:00,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 20:14:00,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 20:14:00,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 20:14:00,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 20:14:00,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 20:14:00,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 20:14:00,222 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 20:14:00,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 20:14:00,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 20:14:00,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 20:14:00,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 20:14:00,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 20:14:00,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 20:14:00,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 20:14:00,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 20:14:00,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 20:14:00,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 20:14:00,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 20:14:00,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-04-03 20:14:00,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 20:14:00,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 20:14:00,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 20:14:00,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 20:14:00,483 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 20:14:00,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-04-03 20:14:01,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 20:14:01,782 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 20:14:01,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-04-03 20:14:01,788 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/42185da38/255969dd1c2346d2ad2faa061c024563/FLAG658fede34 [2024-04-03 20:14:01,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/42185da38/255969dd1c2346d2ad2faa061c024563 [2024-04-03 20:14:01,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 20:14:01,799 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 20:14:01,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 20:14:01,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 20:14:01,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 20:14:01,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:14:01" (1/1) ... [2024-04-03 20:14:01,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8b41a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:01, skipping insertion in model container [2024-04-03 20:14:01,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:14:01" (1/1) ... [2024-04-03 20:14:01,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 20:14:01,961 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2024-04-03 20:14:01,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 20:14:01,973 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 20:14:01,995 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2024-04-03 20:14:01,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 20:14:02,005 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 20:14:02,005 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 20:14:02,010 INFO L206 MainTranslator]: Completed translation [2024-04-03 20:14:02,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02 WrapperNode [2024-04-03 20:14:02,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 20:14:02,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 20:14:02,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 20:14:02,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 20:14:02,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,042 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2024-04-03 20:14:02,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 20:14:02,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 20:14:02,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 20:14:02,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 20:14:02,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 20:14:02,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 20:14:02,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 20:14:02,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 20:14:02,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (1/1) ... [2024-04-03 20:14:02,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 20:14:02,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:02,129 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) [2024-04-03 20:14:02,185 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 [2024-04-03 20:14:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 20:14:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-03 20:14:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-03 20:14:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-03 20:14:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-03 20:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 20:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 20:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 20:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-03 20:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-03 20:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 20:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 20:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 20:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 20:14:02,221 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 20:14:02,285 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 20:14:02,287 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 20:14:02,419 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 20:14:02,449 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 20:14:02,449 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-03 20:14:02,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:14:02 BoogieIcfgContainer [2024-04-03 20:14:02,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 20:14:02,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 20:14:02,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 20:14:02,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 20:14:02,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:14:01" (1/3) ... [2024-04-03 20:14:02,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ceb7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:14:02, skipping insertion in model container [2024-04-03 20:14:02,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:14:02" (2/3) ... [2024-04-03 20:14:02,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361ceb7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:14:02, skipping insertion in model container [2024-04-03 20:14:02,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:14:02" (3/3) ... [2024-04-03 20:14:02,457 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-04-03 20:14:02,463 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 20:14:02,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 20:14:02,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 20:14:02,499 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 20:14:02,539 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-03 20:14:02,569 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 20:14:02,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 20:14:02,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:02,595 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) [2024-04-03 20:14:02,596 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 [2024-04-03 20:14:02,628 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 20:14:02,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 20:14:02,648 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;@4fc7eda2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 20:14:02,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-03 20:14:02,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:02,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1870296858, now seen corresponding path program 1 times [2024-04-03 20:14:02,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:02,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341630046] [2024-04-03 20:14:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-03 20:14:02,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:02,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341630046] [2024-04-03 20:14:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341630046] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 20:14:02,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 20:14:02,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 20:14:02,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893009245] [2024-04-03 20:14:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 20:14:02,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 20:14:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:14:03,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 20:14:03,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 20:14:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:03,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:14:03,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2024-04-03 20:14:03,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:03,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 20:14:03,092 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:03,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:03,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1331143982, now seen corresponding path program 1 times [2024-04-03 20:14:03,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:03,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919263532] [2024-04-03 20:14:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:03,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:03,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:03,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919263532] [2024-04-03 20:14:03,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919263532] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:14:03,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082494451] [2024-04-03 20:14:03,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:03,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:03,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:03,818 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) [2024-04-03 20:14:03,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 20:14:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:03,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-03 20:14:03,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:14:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:04,414 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:14:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:04,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082494451] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:14:04,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:14:04,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 37 [2024-04-03 20:14:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971773526] [2024-04-03 20:14:04,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:14:04,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-03 20:14:04,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:14:04,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-03 20:14:04,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1128, Unknown=0, NotChecked=0, Total=1332 [2024-04-03 20:14:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:04,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:14:04,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.72972972972973) internal successors, (138), 37 states have internal predecessors, (138), 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) [2024-04-03 20:14:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:06,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:06,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-03 20:14:06,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-03 20:14:06,282 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,SelfDestructingSolverStorable1 [2024-04-03 20:14:06,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:06,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash 742392757, now seen corresponding path program 1 times [2024-04-03 20:14:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159398645] [2024-04-03 20:14:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:06,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:06,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159398645] [2024-04-03 20:14:06,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159398645] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:14:06,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895575333] [2024-04-03 20:14:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:06,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:06,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:06,854 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) [2024-04-03 20:14:06,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 20:14:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:06,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-03 20:14:06,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:14:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:07,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:14:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-03 20:14:08,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895575333] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:14:08,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:14:08,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 22] total 56 [2024-04-03 20:14:08,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906187309] [2024-04-03 20:14:08,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:14:08,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-04-03 20:14:08,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:14:08,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-04-03 20:14:08,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=2659, Unknown=0, NotChecked=0, Total=3080 [2024-04-03 20:14:08,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:08,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:14:08,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.357142857142857) internal successors, (188), 56 states have internal predecessors, (188), 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) [2024-04-03 20:14:08,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:08,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-03 20:14:08,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:12,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-03 20:14:12,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:12,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:12,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:12,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1139207243, now seen corresponding path program 2 times [2024-04-03 20:14:12,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:12,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693514288] [2024-04-03 20:14:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-03 20:14:13,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693514288] [2024-04-03 20:14:13,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693514288] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:14:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017463664] [2024-04-03 20:14:13,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 20:14:13,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:13,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:13,253 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) [2024-04-03 20:14:13,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 20:14:13,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 20:14:13,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:14:13,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 59 conjunts are in the unsatisfiable core [2024-04-03 20:14:13,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:14:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:14,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:14:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-03 20:14:14,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017463664] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:14:14,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:14:14,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 34, 22] total 72 [2024-04-03 20:14:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912317257] [2024-04-03 20:14:14,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:14:14,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-04-03 20:14:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:14:14,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-04-03 20:14:14,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=4798, Unknown=0, NotChecked=0, Total=5112 [2024-04-03 20:14:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:14,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:14:14,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.6527777777777777) internal successors, (191), 72 states have internal predecessors, (191), 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) [2024-04-03 20:14:14,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-03 20:14:20,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-03 20:14:20,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:20,756 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:20,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1222887839, now seen corresponding path program 3 times [2024-04-03 20:14:20,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:20,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745798999] [2024-04-03 20:14:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 109 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-03 20:14:21,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:21,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745798999] [2024-04-03 20:14:21,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745798999] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:14:21,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331857987] [2024-04-03 20:14:21,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 20:14:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:21,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:21,597 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) [2024-04-03 20:14:21,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-03 20:14:21,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-03 20:14:21,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:14:21,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-03 20:14:21,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:14:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:22,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:14:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 77 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-03 20:14:23,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331857987] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:14:23,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:14:23,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 46, 24] total 88 [2024-04-03 20:14:23,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839346723] [2024-04-03 20:14:23,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:14:23,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-04-03 20:14:23,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:14:23,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-04-03 20:14:23,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=793, Invalid=6863, Unknown=0, NotChecked=0, Total=7656 [2024-04-03 20:14:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:23,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:14:23,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 2.8295454545454546) internal successors, (249), 88 states have internal predecessors, (249), 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) [2024-04-03 20:14:23,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:23,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:23,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:23,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-03 20:14:23,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:14:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-04-03 20:14:35,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-03 20:14:35,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:35,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:35,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash -392114931, now seen corresponding path program 4 times [2024-04-03 20:14:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:35,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735926543] [2024-04-03 20:14:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:35,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 6 proven. 243 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-04-03 20:14:36,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735926543] [2024-04-03 20:14:36,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735926543] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:14:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650298412] [2024-04-03 20:14:36,780 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 20:14:36,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:36,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:36,781 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) [2024-04-03 20:14:36,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-03 20:14:36,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 20:14:36,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:14:36,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 112 conjunts are in the unsatisfiable core [2024-04-03 20:14:36,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:14:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:14:39,019 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:14:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 6 proven. 179 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-03 20:14:40,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650298412] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:14:40,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:14:40,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 69, 27] total 115 [2024-04-03 20:14:40,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563059173] [2024-04-03 20:14:40,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:14:40,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-03 20:14:40,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:14:40,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-03 20:14:40,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1246, Invalid=11864, Unknown=0, NotChecked=0, Total=13110 [2024-04-03 20:14:40,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:40,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:14:40,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 2.582608695652174) internal successors, (297), 115 states have internal predecessors, (297), 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) [2024-04-03 20:14:40,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:40,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:40,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:40,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:14:40,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-04-03 20:14:40,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:14:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:14:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:14:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:14:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-04-03 20:14:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-04-03 20:14:56,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-03 20:14:56,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:56,311 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:14:56,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:14:56,312 INFO L85 PathProgramCache]: Analyzing trace with hash 667397571, now seen corresponding path program 5 times [2024-04-03 20:14:56,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:14:56,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177584608] [2024-04-03 20:14:56,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:14:56,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:14:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:14:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 1 proven. 430 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-04-03 20:14:57,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:14:57,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177584608] [2024-04-03 20:14:57,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177584608] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:14:57,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383261137] [2024-04-03 20:14:57,817 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 20:14:57,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:14:57,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:14:57,818 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) [2024-04-03 20:14:57,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-03 20:14:57,911 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-04-03 20:14:57,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:14:57,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 167 conjunts are in the unsatisfiable core [2024-04-03 20:14:57,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:15:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 811 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:15:00,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:15:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-04-03 20:15:01,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383261137] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:15:01,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:15:01,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 87, 24] total 129 [2024-04-03 20:15:01,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189574912] [2024-04-03 20:15:01,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:15:01,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-04-03 20:15:01,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:15:01,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-04-03 20:15:01,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=15880, Unknown=0, NotChecked=0, Total=16512 [2024-04-03 20:15:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:01,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:15:01,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 2.2325581395348837) internal successors, (288), 129 states have internal predecessors, (288), 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) [2024-04-03 20:15:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:15:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:15:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:15:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-04-03 20:15:01,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-04-03 20:15:01,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:15:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:15:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:15:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-04-03 20:15:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-04-03 20:15:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-03 20:15:15,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-03 20:15:15,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-03 20:15:15,297 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:15:15,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:15:15,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1870689921, now seen corresponding path program 6 times [2024-04-03 20:15:15,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:15:15,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636410261] [2024-04-03 20:15:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:15:15,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:15:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:15:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 1 proven. 545 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-04-03 20:15:16,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:15:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636410261] [2024-04-03 20:15:16,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636410261] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:15:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484001336] [2024-04-03 20:15:16,871 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-03 20:15:16,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:15:16,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:15:16,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:15:16,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-03 20:15:16,986 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-04-03 20:15:16,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:15:16,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 162 conjunts are in the unsatisfiable core [2024-04-03 20:15:16,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:15:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1019 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:15:21,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:15:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 7 proven. 501 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-04-03 20:15:22,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484001336] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:15:22,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:15:22,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 96, 36] total 151 [2024-04-03 20:15:22,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752724264] [2024-04-03 20:15:22,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:15:22,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-04-03 20:15:22,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:15:22,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-04-03 20:15:22,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1266, Invalid=21384, Unknown=0, NotChecked=0, Total=22650 [2024-04-03 20:15:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:22,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:15:22,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 2.3642384105960264) internal successors, (357), 151 states have internal predecessors, (357), 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) [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-03 20:15:22,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:43,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2024-04-03 20:15:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:15:43,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-03 20:15:43,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:15:43,697 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:15:43,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:15:43,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1397347761, now seen corresponding path program 7 times [2024-04-03 20:15:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:15:43,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055680357] [2024-04-03 20:15:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:15:43,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:15:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:15:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 1 proven. 994 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2024-04-03 20:15:46,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:15:46,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055680357] [2024-04-03 20:15:46,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055680357] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:15:46,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496613951] [2024-04-03 20:15:46,016 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-03 20:15:46,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:15:46,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:15:46,017 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:15:46,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-03 20:15:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:15:46,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 216 conjunts are in the unsatisfiable core [2024-04-03 20:15:46,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:15:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 0 proven. 1844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:15:50,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:15:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 21 proven. 924 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2024-04-03 20:15:52,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496613951] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:15:52,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:15:52,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 124, 34] total 177 [2024-04-03 20:15:52,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043784008] [2024-04-03 20:15:52,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:15:52,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 177 states [2024-04-03 20:15:52,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:15:52,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2024-04-03 20:15:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1558, Invalid=29594, Unknown=0, NotChecked=0, Total=31152 [2024-04-03 20:15:52,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:52,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:15:52,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 177 states, 177 states have (on average 2.3220338983050848) internal successors, (411), 177 states have internal predecessors, (411), 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) [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:15:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:16:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:16:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:16:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:16:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:16:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:16:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:16:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-04-03 20:16:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:16:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 638 states. [2024-04-03 20:16:28,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-03 20:16:28,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:16:28,960 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:16:28,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:16:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1901668029, now seen corresponding path program 8 times [2024-04-03 20:16:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:16:28,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906075319] [2024-04-03 20:16:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:16:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:16:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:16:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 1 proven. 1524 refuted. 0 times theorem prover too weak. 1303 trivial. 0 not checked. [2024-04-03 20:16:32,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:16:32,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906075319] [2024-04-03 20:16:32,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906075319] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:16:32,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32798166] [2024-04-03 20:16:32,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 20:16:32,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:16:32,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:16:32,011 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:16:32,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-03 20:16:32,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 20:16:32,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:16:32,149 WARN L260 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 299 conjunts are in the unsatisfiable core [2024-04-03 20:16:32,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:16:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 0 proven. 2828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:16:38,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:16:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 6 proven. 757 refuted. 0 times theorem prover too weak. 2065 trivial. 0 not checked. [2024-04-03 20:16:39,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32798166] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:16:39,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:16:39,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 151, 26] total 195 [2024-04-03 20:16:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957031136] [2024-04-03 20:16:39,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:16:39,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-04-03 20:16:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:16:39,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-04-03 20:16:39,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=978, Invalid=36852, Unknown=0, NotChecked=0, Total=37830 [2024-04-03 20:16:39,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:16:39,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:16:39,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 2.066666666666667) internal successors, (403), 195 states have internal predecessors, (403), 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) [2024-04-03 20:16:39,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:16:39,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:16:39,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:16:39,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:16:39,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:16:39,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:16:39,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-04-03 20:16:39,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:16:39,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 638 states. [2024-04-03 20:16:39,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:17:06,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 378 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:17:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 639 states. [2024-04-03 20:17:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2024-04-03 20:17:06,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-03 20:17:06,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-03 20:17:06,721 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:17:06,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:17:06,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1985391736, now seen corresponding path program 9 times [2024-04-03 20:17:06,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:17:06,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008557790] [2024-04-03 20:17:06,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:17:06,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:17:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:17:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 1 proven. 1348 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2024-04-03 20:17:09,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:17:09,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008557790] [2024-04-03 20:17:09,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008557790] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:17:09,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121948524] [2024-04-03 20:17:09,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 20:17:09,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:17:09,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:17:09,573 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:17:09,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-03 20:17:09,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2024-04-03 20:17:09,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:17:09,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 262 conjunts are in the unsatisfiable core [2024-04-03 20:17:09,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:17:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 0 proven. 2813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:17:15,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:17:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 28 proven. 1255 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-04-03 20:17:17,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121948524] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:17:17,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:17:17,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 151, 33] total 202 [2024-04-03 20:17:17,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924356884] [2024-04-03 20:17:17,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:17:17,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-04-03 20:17:17,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:17:17,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-04-03 20:17:17,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1811, Invalid=38791, Unknown=0, NotChecked=0, Total=40602 [2024-04-03 20:17:17,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:17:17,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:17:17,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 2.202970297029703) internal successors, (445), 202 states have internal predecessors, (445), 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) [2024-04-03 20:17:17,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:17:17,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:17:17,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:17:17,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:17:17,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:17:17,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:17:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 378 states. [2024-04-03 20:17:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:17:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 639 states. [2024-04-03 20:17:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2024-04-03 20:17:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:18:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:18:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 774 states. [2024-04-03 20:18:06,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-03 20:18:06,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:18:06,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:18:06,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:18:06,695 INFO L85 PathProgramCache]: Analyzing trace with hash -175683892, now seen corresponding path program 10 times [2024-04-03 20:18:06,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:18:06,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116158271] [2024-04-03 20:18:06,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:18:06,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:18:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:18:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3564 backedges. 6 proven. 1226 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2024-04-03 20:18:10,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:18:10,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116158271] [2024-04-03 20:18:10,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116158271] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:18:10,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943324123] [2024-04-03 20:18:10,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 20:18:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:18:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:18:10,173 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:18:10,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-03 20:18:10,310 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 20:18:10,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:18:10,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 282 conjunts are in the unsatisfiable core [2024-04-03 20:18:10,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:18:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3564 backedges. 0 proven. 3564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:18:18,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:18:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3564 backedges. 6 proven. 1032 refuted. 0 times theorem prover too weak. 2526 trivial. 0 not checked. [2024-04-03 20:18:21,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943324123] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:18:21,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:18:21,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 169, 31] total 221 [2024-04-03 20:18:21,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407077603] [2024-04-03 20:18:21,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:18:21,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 221 states [2024-04-03 20:18:21,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:18:21,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2024-04-03 20:18:21,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3642, Invalid=44978, Unknown=0, NotChecked=0, Total=48620 [2024-04-03 20:18:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:18:21,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:18:21,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 221 states, 221 states have (on average 2.167420814479638) internal successors, (479), 221 states have internal predecessors, (479), 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) [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 20:18:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:18:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 645 states. [2024-04-03 20:18:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:18:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 774 states. [2024-04-03 20:18:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:19:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 774 states. [2024-04-03 20:19:04,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 695 states. [2024-04-03 20:19:04,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-03 20:19:04,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-03 20:19:04,521 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:19:04,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:19:04,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1533650664, now seen corresponding path program 11 times [2024-04-03 20:19:04,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:19:04,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723618353] [2024-04-03 20:19:04,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:19:04,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:19:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:19:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5346 backedges. 11 proven. 1805 refuted. 0 times theorem prover too weak. 3530 trivial. 0 not checked. [2024-04-03 20:19:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:19:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723618353] [2024-04-03 20:19:10,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723618353] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:19:10,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702715528] [2024-04-03 20:19:10,072 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 20:19:10,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:19:10,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:19:10,074 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:19:10,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-03 20:19:10,250 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2024-04-03 20:19:10,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:19:10,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 342 conjunts are in the unsatisfiable core [2024-04-03 20:19:10,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:19:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5346 backedges. 0 proven. 5346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:19:19,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:19:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5346 backedges. 11 proven. 1562 refuted. 0 times theorem prover too weak. 3773 trivial. 0 not checked. [2024-04-03 20:19:22,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702715528] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:19:22,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:19:22,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 205, 33] total 264 [2024-04-03 20:19:22,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882866281] [2024-04-03 20:19:22,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:19:22,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2024-04-03 20:19:22,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:19:22,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2024-04-03 20:19:22,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4678, Invalid=64754, Unknown=0, NotChecked=0, Total=69432 [2024-04-03 20:19:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:19:22,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:19:22,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 2.109848484848485) internal successors, (557), 264 states have internal predecessors, (557), 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) [2024-04-03 20:19:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 645 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 774 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 695 states. [2024-04-03 20:19:22,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:20:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 782 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2024-04-03 20:20:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2024-04-03 20:20:27,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-03 20:20:27,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-03 20:20:27,774 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:20:27,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:20:27,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1787043941, now seen corresponding path program 12 times [2024-04-03 20:20:27,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:20:27,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919069311] [2024-04-03 20:20:27,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:20:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:20:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:20:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 7684 backedges. 1 proven. 3134 refuted. 0 times theorem prover too weak. 4549 trivial. 0 not checked. [2024-04-03 20:20:35,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:20:35,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919069311] [2024-04-03 20:20:35,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919069311] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:20:35,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204119188] [2024-04-03 20:20:35,734 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-03 20:20:35,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:20:35,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:20:35,735 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:20:35,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-03 20:20:36,078 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2024-04-03 20:20:36,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:20:36,088 WARN L260 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 485 conjunts are in the unsatisfiable core [2024-04-03 20:20:36,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:20:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7684 backedges. 0 proven. 7684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:20:48,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:20:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7684 backedges. 1 proven. 1265 refuted. 0 times theorem prover too weak. 6418 trivial. 0 not checked. [2024-04-03 20:20:50,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204119188] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:20:50,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:20:50,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 243, 25] total 287 [2024-04-03 20:20:50,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927766640] [2024-04-03 20:20:50,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:20:50,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2024-04-03 20:20:50,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:20:50,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2024-04-03 20:20:50,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1502, Invalid=80580, Unknown=0, NotChecked=0, Total=82082 [2024-04-03 20:20:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:20:50,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:20:50,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 1.9547038327526132) internal successors, (561), 287 states have internal predecessors, (561), 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) [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 782 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2024-04-03 20:20:50,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-04-03 20:21:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:21:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 782 states. [2024-04-03 20:21:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2024-04-03 20:21:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2024-04-03 20:21:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 906 states. [2024-04-03 20:21:53,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-03 20:21:53,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-03 20:21:53,431 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:21:53,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:21:53,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1661581984, now seen corresponding path program 13 times [2024-04-03 20:21:53,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:21:53,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728918967] [2024-04-03 20:21:53,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:21:53,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:21:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:22:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8282 backedges. 13 proven. 2958 refuted. 0 times theorem prover too weak. 5311 trivial. 0 not checked. [2024-04-03 20:22:01,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:22:01,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728918967] [2024-04-03 20:22:01,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728918967] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:22:01,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828879658] [2024-04-03 20:22:01,906 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-03 20:22:01,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:22:01,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:22:01,907 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:22:01,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-03 20:22:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:22:02,096 WARN L260 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 422 conjunts are in the unsatisfiable core [2024-04-03 20:22:02,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:22:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8282 backedges. 0 proven. 8282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:22:15,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:22:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 8282 backedges. 16 proven. 2662 refuted. 0 times theorem prover too weak. 5604 trivial. 0 not checked. [2024-04-03 20:22:20,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828879658] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:22:20,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:22:20,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 252, 40] total 322 [2024-04-03 20:22:20,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283575386] [2024-04-03 20:22:20,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:22:20,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 322 states [2024-04-03 20:22:20,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:22:20,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 322 interpolants. [2024-04-03 20:22:20,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7956, Invalid=95406, Unknown=0, NotChecked=0, Total=103362 [2024-04-03 20:22:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:22:20,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:22:20,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 322 states, 322 states have (on average 2.040372670807453) internal successors, (657), 322 states have internal predecessors, (657), 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) [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:22:20,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-04-03 20:22:20,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:22:20,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 782 states. [2024-04-03 20:22:20,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2024-04-03 20:22:20,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2024-04-03 20:22:20,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 906 states. [2024-04-03 20:22:20,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:23:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 782 states. [2024-04-03 20:23:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2024-04-03 20:23:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2024-04-03 20:23:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 906 states. [2024-04-03 20:23:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1034 states. [2024-04-03 20:23:41,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-03 20:23:41,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:23:41,989 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:23:41,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:23:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1454473954, now seen corresponding path program 14 times [2024-04-03 20:23:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:23:41,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975161144] [2024-04-03 20:23:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:23:41,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:23:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:23:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10904 backedges. 18 proven. 3829 refuted. 0 times theorem prover too weak. 7057 trivial. 0 not checked. [2024-04-03 20:23:54,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:23:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975161144] [2024-04-03 20:23:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975161144] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:23:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437349280] [2024-04-03 20:23:54,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 20:23:54,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:23:54,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:23:54,106 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:23:54,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-03 20:23:54,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 20:23:54,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:23:54,322 WARN L260 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 575 conjunts are in the unsatisfiable core [2024-04-03 20:23:54,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:24:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 10904 backedges. 0 proven. 10904 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:24:12,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:24:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10904 backedges. 6 proven. 1726 refuted. 0 times theorem prover too weak. 9172 trivial. 0 not checked. [2024-04-03 20:24:14,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437349280] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:24:14,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:24:14,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 288, 26] total 348 [2024-04-03 20:24:14,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161767322] [2024-04-03 20:24:14,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:24:14,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 348 states [2024-04-03 20:24:14,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:24:14,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 348 interpolants. [2024-04-03 20:24:14,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2766, Invalid=117990, Unknown=0, NotChecked=0, Total=120756 [2024-04-03 20:24:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:24:14,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:24:14,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 348 states, 348 states have (on average 1.9281609195402298) internal successors, (671), 348 states have internal predecessors, (671), 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) [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 782 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 906 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1034 states. [2024-04-03 20:24:14,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-03 20:27:40,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-03 20:27:40,201 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 [2024-04-03 20:27:40,201 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 [2024-04-03 20:27:40,202 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 20:27:40,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-03 20:27:40,356 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. [2024-04-03 20:27:40,360 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-03 20:27:40,360 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-03 20:27:40,360 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-03 20:27:40,363 INFO L445 BasicCegarLoop]: Path program histogram: [14, 1, 1] [2024-04-03 20:27:40,365 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-03 20:27:40,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-03 20:27:40,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 08:27:40 BasicIcfg [2024-04-03 20:27:40,368 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-03 20:27:40,368 INFO L158 Benchmark]: Toolchain (without parser) took 818568.54ms. Allocated memory was 278.9MB in the beginning and 6.9GB in the end (delta: 6.6GB). Free memory was 208.2MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-04-03 20:27:40,368 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 278.9MB. Free memory is still 246.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-03 20:27:40,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.22ms. Allocated memory is still 278.9MB. Free memory was 208.0MB in the beginning and 196.9MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-03 20:27:40,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.95ms. Allocated memory is still 278.9MB. Free memory was 196.9MB in the beginning and 195.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-03 20:27:40,368 INFO L158 Benchmark]: Boogie Preprocessor took 30.15ms. Allocated memory is still 278.9MB. Free memory was 195.2MB in the beginning and 193.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-03 20:27:40,369 INFO L158 Benchmark]: RCFGBuilder took 377.01ms. Allocated memory is still 278.9MB. Free memory was 193.9MB in the beginning and 178.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-04-03 20:27:40,369 INFO L158 Benchmark]: TraceAbstraction took 817915.11ms. Allocated memory was 278.9MB in the beginning and 6.9GB in the end (delta: 6.6GB). Free memory was 176.8MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-04-03 20:27:40,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 278.9MB. Free memory is still 246.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.22ms. Allocated memory is still 278.9MB. Free memory was 208.0MB in the beginning and 196.9MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.95ms. Allocated memory is still 278.9MB. Free memory was 196.9MB in the beginning and 195.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.15ms. Allocated memory is still 278.9MB. Free memory was 195.2MB in the beginning and 193.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 377.01ms. Allocated memory is still 278.9MB. Free memory was 193.9MB in the beginning and 178.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 817915.11ms. Allocated memory was 278.9MB in the beginning and 6.9GB in the end (delta: 6.6GB). Free memory was 176.8MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29669, independent: 23718, independent conditional: 23718, independent unconditional: 0, dependent: 5951, dependent conditional: 5951, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23816, independent: 23718, independent conditional: 23718, independent unconditional: 0, dependent: 98, dependent conditional: 98, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23816, independent: 23718, independent conditional: 23718, independent unconditional: 0, dependent: 98, dependent conditional: 98, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23816, independent: 23718, independent conditional: 23718, independent unconditional: 0, dependent: 98, dependent conditional: 98, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25083, independent: 23718, independent conditional: 5, independent unconditional: 23713, dependent: 1365, dependent conditional: 1164, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25083, independent: 23718, independent conditional: 5, independent unconditional: 23713, dependent: 1365, dependent conditional: 1163, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25083, independent: 23718, independent conditional: 5, independent unconditional: 23713, dependent: 1365, dependent conditional: 1163, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, independent: 299, independent conditional: 5, independent unconditional: 294, dependent: 58, dependent conditional: 57, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 58, dependent conditional: 57, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 58, dependent conditional: 57, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 8, independent conditional: 6, independent unconditional: 2, dependent: 136, dependent conditional: 107, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25083, independent: 23419, independent conditional: 0, independent unconditional: 23419, dependent: 1307, dependent conditional: 1106, dependent unconditional: 201, unknown: 357, unknown conditional: 62, unknown unconditional: 295] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 299, Positive conditional cache size: 5, Positive unconditional cache size: 294, Negative cache size: 58, Negative conditional cache size: 57, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 15, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25083, independent: 23718, independent conditional: 5, independent unconditional: 23713, dependent: 1365, dependent conditional: 1164, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25083, independent: 23718, independent conditional: 5, independent unconditional: 23713, dependent: 1365, dependent conditional: 1163, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25083, independent: 23718, independent conditional: 5, independent unconditional: 23713, dependent: 1365, dependent conditional: 1163, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, independent: 299, independent conditional: 5, independent unconditional: 294, dependent: 58, dependent conditional: 57, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 58, dependent conditional: 57, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 58, dependent conditional: 57, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 8, independent conditional: 6, independent unconditional: 2, dependent: 136, dependent conditional: 107, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25083, independent: 23419, independent conditional: 0, independent unconditional: 23419, dependent: 1307, dependent conditional: 1106, dependent unconditional: 201, unknown: 357, unknown conditional: 62, unknown unconditional: 295] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 299, Positive conditional cache size: 5, Positive unconditional cache size: 294, Negative cache size: 58, Negative conditional cache size: 57, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1 ], Independence queries for same thread: 5853 - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 106 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 817.7s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 641.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9299, 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: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 169.4s InterpolantComputationTime, 8029 NumberOfCodeBlocks, 8017 NumberOfCodeBlocksAsserted, 168 NumberOfCheckSat, 11963 ConstructedInterpolants, 0 QuantifiedInterpolants, 119932 SizeOfPredicates, 1342 NumberOfNonLiveVariables, 7268 ConjunctsInSsa, 3509 ConjunctsInUnsatCore, 46 InterpolantComputations, 1 PerfectInterpolantSequences, 61168/137431 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