/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 07:07:06,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 07:07:06,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 07:07:06,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 07:07:06,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 07:07:06,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 07:07:06,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 07:07:06,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 07:07:06,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 07:07:06,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 07:07:06,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 07:07:06,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 07:07:06,798 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 07:07:06,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 07:07:06,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 07:07:06,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 07:07:06,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 07:07:06,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 07:07:06,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 07:07:06,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 07:07:06,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 07:07:06,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 07:07:06,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 07:07:06,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 07:07:06,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 07:07:06,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 07:07:06,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 07:07:06,802 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 07:07:06,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 07:07:06,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 07:07:06,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 07:07:06,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 07:07:06,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 07:07:06,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 07:07:06,803 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 07:07:06,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 07:07:06,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 07:07:06,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 07:07:06,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 07:07:06,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 07:07:06,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 07:07:06,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 07:07:07,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 07:07:07,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 07:07:07,002 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 07:07:07,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-04-04 07:07:08,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 07:07:08,601 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 07:07:08,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-04-04 07:07:08,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b8425f72/4f35fb4bda9f496aadf982f3084015a5/FLAG92d1d481f [2024-04-04 07:07:08,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b8425f72/4f35fb4bda9f496aadf982f3084015a5 [2024-04-04 07:07:08,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 07:07:08,631 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 07:07:08,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 07:07:08,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 07:07:08,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 07:07:08,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78090db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08, skipping insertion in model container [2024-04-04 07:07:08,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 07:07:08,826 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-three-array-sum.wvr.c[2691,2704] [2024-04-04 07:07:08,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 07:07:08,841 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 07:07:08,859 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-three-array-sum.wvr.c[2691,2704] [2024-04-04 07:07:08,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 07:07:08,870 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 07:07:08,870 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 07:07:08,887 INFO L206 MainTranslator]: Completed translation [2024-04-04 07:07:08,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08 WrapperNode [2024-04-04 07:07:08,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 07:07:08,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 07:07:08,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 07:07:08,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 07:07:08,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,951 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 156 [2024-04-04 07:07:08,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 07:07:08,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 07:07:08,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 07:07:08,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 07:07:08,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 07:07:08,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 07:07:08,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 07:07:08,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 07:07:08,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (1/1) ... [2024-04-04 07:07:08,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 07:07:09,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:09,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 07:07:09,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 07:07:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 07:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 07:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 07:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 07:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 07:07:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 07:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 07:07:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 07:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 07:07:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 07:07:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 07:07:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 07:07:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 07:07:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 07:07:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 07:07:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 07:07:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 07:07:09,084 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 07:07:09,176 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 07:07:09,178 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 07:07:09,424 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 07:07:09,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 07:07:09,450 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-04 07:07:09,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 07:07:09 BoogieIcfgContainer [2024-04-04 07:07:09,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 07:07:09,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 07:07:09,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 07:07:09,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 07:07:09,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 07:07:08" (1/3) ... [2024-04-04 07:07:09,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7634c126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 07:07:09, skipping insertion in model container [2024-04-04 07:07:09,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 07:07:08" (2/3) ... [2024-04-04 07:07:09,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7634c126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 07:07:09, skipping insertion in model container [2024-04-04 07:07:09,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 07:07:09" (3/3) ... [2024-04-04 07:07:09,457 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-04-04 07:07:09,463 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 07:07:09,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 07:07:09,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 07:07:09,471 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 07:07:09,540 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 07:07:09,575 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 07:07:09,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 07:07:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:09,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 07:07:09,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 07:07:09,641 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 07:07:09,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:09,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 07:07:09,657 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;@abedd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 07:07:09,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 07:07:10,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:10,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:10,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1070528268, now seen corresponding path program 1 times [2024-04-04 07:07:10,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:10,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381449143] [2024-04-04 07:07:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:10,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-04 07:07:10,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:10,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381449143] [2024-04-04 07:07:10,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381449143] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:07:10,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:07:10,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 07:07:10,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494557151] [2024-04-04 07:07:10,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:07:10,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 07:07:10,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 07:07:10,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 07:07:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:10,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:10,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:10,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:10,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 07:07:10,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:10,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:10,655 INFO L85 PathProgramCache]: Analyzing trace with hash -317367272, now seen corresponding path program 1 times [2024-04-04 07:07:10,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:10,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652639229] [2024-04-04 07:07:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:10,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-04 07:07:11,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652639229] [2024-04-04 07:07:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652639229] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 07:07:11,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 07:07:11,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 07:07:11,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728560855] [2024-04-04 07:07:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 07:07:11,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 07:07:11,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:11,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 07:07:11,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 07:07:11,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:11,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:11,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:11,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:11,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:11,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 07:07:11,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:11,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash 314900301, now seen corresponding path program 1 times [2024-04-04 07:07:11,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:11,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200408668] [2024-04-04 07:07:11,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-04 07:07:11,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:11,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200408668] [2024-04-04 07:07:11,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200408668] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:11,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672137508] [2024-04-04 07:07:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:11,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:11,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:11,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 07:07:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:12,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 07:07:12,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-04 07:07:12,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-04 07:07:12,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672137508] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:12,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:12,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-04 07:07:12,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285164027] [2024-04-04 07:07:12,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:12,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-04 07:07:12,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-04 07:07:12,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-04 07:07:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:12,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:12,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.166666666666666) internal successors, (316), 24 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:12,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:13,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 07:07:13,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 07:07:13,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:13,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:13,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1846166008, now seen corresponding path program 2 times [2024-04-04 07:07:13,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:13,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247627147] [2024-04-04 07:07:13,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:13,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-04 07:07:13,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:13,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247627147] [2024-04-04 07:07:13,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247627147] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491289807] [2024-04-04 07:07:13,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:07:13,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:13,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:13,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:13,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 07:07:13,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:07:13,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:13,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 07:07:13,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-04 07:07:14,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-04 07:07:14,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491289807] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:14,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:14,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2024-04-04 07:07:14,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694499703] [2024-04-04 07:07:14,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:14,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 07:07:14,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:14,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 07:07:14,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 07:07:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:14,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:14,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.472222222222221) internal successors, (485), 36 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:14,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:14,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:14,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:15,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 07:07:15,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:15,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:15,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:15,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1437693727, now seen corresponding path program 3 times [2024-04-04 07:07:15,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:15,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467190833] [2024-04-04 07:07:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 83 proven. 77 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-04-04 07:07:16,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:16,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467190833] [2024-04-04 07:07:16,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467190833] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:16,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218161867] [2024-04-04 07:07:16,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:07:16,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:16,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:16,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:16,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 07:07:16,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 07:07:16,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:16,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 07:07:16,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 07:07:16,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 07:07:17,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218161867] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:17,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:17,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 31 [2024-04-04 07:07:17,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947171341] [2024-04-04 07:07:17,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:17,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-04 07:07:17,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:17,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-04 07:07:17,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2024-04-04 07:07:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:17,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:17,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 16.06451612903226) internal successors, (498), 31 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:17,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:17,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:17,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:17,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:17,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:07:19,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-04 07:07:19,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:19,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:19,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:19,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1696011691, now seen corresponding path program 4 times [2024-04-04 07:07:19,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:19,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733640102] [2024-04-04 07:07:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 114 proven. 43 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-04 07:07:19,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:19,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733640102] [2024-04-04 07:07:19,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733640102] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:19,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258867847] [2024-04-04 07:07:19,948 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:07:19,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:19,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:19,949 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:19,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 07:07:20,091 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:07:20,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:20,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 07:07:20,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 133 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-04 07:07:20,567 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 133 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-04 07:07:20,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258867847] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:20,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:20,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-04 07:07:20,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602263646] [2024-04-04 07:07:20,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:20,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 07:07:20,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:20,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 07:07:20,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 07:07:20,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:20,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:20,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 10.386363636363637) internal successors, (457), 44 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:20,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:21,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:21,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:07:21,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:21,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:07:21,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:21,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 07:07:21,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-04 07:07:21,896 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:21,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1024573568, now seen corresponding path program 5 times [2024-04-04 07:07:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:21,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788060333] [2024-04-04 07:07:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 42 proven. 137 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-04-04 07:07:22,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788060333] [2024-04-04 07:07:22,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788060333] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56703516] [2024-04-04 07:07:22,404 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:07:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:22,421 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:22,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 07:07:23,333 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-04 07:07:23,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:23,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 07:07:23,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 29 proven. 105 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-04-04 07:07:23,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 07:07:23,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56703516] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:23,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:23,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 8] total 39 [2024-04-04 07:07:23,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075291743] [2024-04-04 07:07:23,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:23,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 07:07:23,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:23,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 07:07:23,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1363, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 07:07:23,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:23,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:23,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.512820512820513) internal successors, (527), 39 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:23,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-04-04 07:07:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 07:07:27,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 07:07:28,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:28,069 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:28,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash -371009904, now seen corresponding path program 6 times [2024-04-04 07:07:28,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:28,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582993851] [2024-04-04 07:07:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:28,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 297 proven. 74 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-04-04 07:07:28,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582993851] [2024-04-04 07:07:28,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582993851] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27173471] [2024-04-04 07:07:28,726 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:07:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:28,728 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:28,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 07:07:29,235 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-04 07:07:29,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:29,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-04 07:07:29,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 401 proven. 46 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-04 07:07:30,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 357 proven. 46 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-04 07:07:30,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27173471] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:30,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:30,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 34, 27] total 70 [2024-04-04 07:07:30,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360987977] [2024-04-04 07:07:30,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:30,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-04 07:07:30,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:30,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-04 07:07:30,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=4127, Unknown=0, NotChecked=0, Total=4830 [2024-04-04 07:07:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:30,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:30,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 11.214285714285714) internal successors, (785), 70 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:30,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:30,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:30,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:30,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:30,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-04-04 07:07:30,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:30,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 07:07:30,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 07:07:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:32,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-04 07:07:32,438 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,SelfDestructingSolverStorable7 [2024-04-04 07:07:32,439 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:32,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:32,439 INFO L85 PathProgramCache]: Analyzing trace with hash -255882075, now seen corresponding path program 7 times [2024-04-04 07:07:32,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:32,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109063000] [2024-04-04 07:07:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 121 proven. 382 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-04 07:07:33,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:33,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109063000] [2024-04-04 07:07:33,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109063000] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:33,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184162338] [2024-04-04 07:07:33,221 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 07:07:33,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:33,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:33,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:07:33,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 07:07:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:33,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 07:07:33,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 182 proven. 328 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-04-04 07:07:34,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 225 proven. 285 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-04-04 07:07:35,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184162338] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:35,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:35,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 29] total 69 [2024-04-04 07:07:35,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8472650] [2024-04-04 07:07:35,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:35,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-04-04 07:07:35,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:35,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-04-04 07:07:35,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=754, Invalid=3938, Unknown=0, NotChecked=0, Total=4692 [2024-04-04 07:07:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:35,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:35,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 10.304347826086957) internal successors, (711), 69 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:35,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:37,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-04 07:07:37,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:37,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:37,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:37,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1678473425, now seen corresponding path program 8 times [2024-04-04 07:07:37,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:37,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003705317] [2024-04-04 07:07:37,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:37,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:38,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 753 proven. 209 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-04 07:07:38,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:38,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003705317] [2024-04-04 07:07:38,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003705317] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:38,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913147153] [2024-04-04 07:07:38,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:07:38,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:38,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:38,473 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) [2024-04-04 07:07:38,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 07:07:38,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:07:38,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:38,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 07:07:38,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 808 proven. 154 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-04 07:07:39,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 808 proven. 154 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-04 07:07:41,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913147153] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:41,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:41,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-04-04 07:07:41,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315092134] [2024-04-04 07:07:41,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:41,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-04 07:07:41,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:41,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-04 07:07:41,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=5930, Unknown=0, NotChecked=0, Total=6972 [2024-04-04 07:07:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:41,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:41,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 8.702380952380953) internal successors, (731), 84 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:41,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:41,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:41,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:41,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:07:42,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-04 07:07:42,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 07:07:42,596 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:42,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:42,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2130211940, now seen corresponding path program 9 times [2024-04-04 07:07:42,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130673129] [2024-04-04 07:07:42,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:42,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 767 proven. 277 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-04-04 07:07:43,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:43,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130673129] [2024-04-04 07:07:43,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130673129] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:43,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741120930] [2024-04-04 07:07:43,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:07:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:43,965 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) [2024-04-04 07:07:43,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 07:07:44,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 07:07:44,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:44,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 07:07:44,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 399 proven. 23 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-04-04 07:07:44,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 399 proven. 23 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-04-04 07:07:44,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741120930] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:44,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:44,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 10, 10] total 50 [2024-04-04 07:07:44,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217366769] [2024-04-04 07:07:44,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:44,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-04 07:07:44,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:44,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-04 07:07:44,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=2217, Unknown=0, NotChecked=0, Total=2450 [2024-04-04 07:07:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:44,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:44,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 12.6) internal successors, (630), 50 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:44,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:44,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:44,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:44,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:44,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-04 07:07:44,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:44,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:44,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:44,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:44,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:07:44,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:49,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:07:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:07:49,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-04 07:07:49,835 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,SelfDestructingSolverStorable10 [2024-04-04 07:07:49,836 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:49,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1231373983, now seen corresponding path program 1 times [2024-04-04 07:07:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:49,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712174667] [2024-04-04 07:07:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2275 backedges. 1304 proven. 368 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-04-04 07:07:51,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:51,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712174667] [2024-04-04 07:07:51,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712174667] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:51,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475632726] [2024-04-04 07:07:51,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:51,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:51,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:51,406 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) [2024-04-04 07:07:51,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 07:07:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:51,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-04 07:07:51,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:07:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2275 backedges. 1411 proven. 261 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-04-04 07:07:53,243 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:07:54,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2275 backedges. 1411 proven. 261 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-04-04 07:07:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475632726] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:07:54,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:07:54,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 104 [2024-04-04 07:07:54,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202206119] [2024-04-04 07:07:54,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:07:54,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-04-04 07:07:54,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:07:54,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-04-04 07:07:54,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1558, Invalid=9154, Unknown=0, NotChecked=0, Total=10712 [2024-04-04 07:07:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:54,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:07:54,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 8.086538461538462) internal successors, (841), 104 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:07:54,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:07:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:07:56,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 07:07:56,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:56,749 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:07:56,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:07:56,750 INFO L85 PathProgramCache]: Analyzing trace with hash -809562090, now seen corresponding path program 2 times [2024-04-04 07:07:56,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:07:56,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137513662] [2024-04-04 07:07:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:07:56,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:07:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:07:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 1321 proven. 436 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-04-04 07:07:58,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:07:58,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137513662] [2024-04-04 07:07:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137513662] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:07:58,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112673891] [2024-04-04 07:07:58,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 07:07:58,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:07:58,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:07:58,304 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) [2024-04-04 07:07:58,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 07:07:58,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 07:07:58,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:07:58,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 46 conjunts are in the unsatisfiable core [2024-04-04 07:07:58,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:08:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 1432 proven. 325 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-04-04 07:08:00,020 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:08:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 1432 proven. 325 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-04-04 07:08:01,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112673891] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:08:01,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:08:01,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 114 [2024-04-04 07:08:01,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086930062] [2024-04-04 07:08:01,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:08:01,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-04-04 07:08:01,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:08:01,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-04-04 07:08:01,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=11027, Unknown=0, NotChecked=0, Total=12882 [2024-04-04 07:08:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:01,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:08:01,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 7.675438596491228) internal successors, (875), 114 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:08:01,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:01,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:08:01,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:08:01,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:08:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:08:03,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 07:08:03,250 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,SelfDestructingSolverStorable12 [2024-04-04 07:08:03,251 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:08:03,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:08:03,251 INFO L85 PathProgramCache]: Analyzing trace with hash -125682495, now seen corresponding path program 3 times [2024-04-04 07:08:03,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:08:03,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339239323] [2024-04-04 07:08:03,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:08:03,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:08:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:08:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2680 backedges. 1346 proven. 527 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2024-04-04 07:08:05,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:08:05,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339239323] [2024-04-04 07:08:05,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339239323] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:08:05,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980571521] [2024-04-04 07:08:05,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 07:08:05,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:08:05,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:08:05,121 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) [2024-04-04 07:08:05,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 07:08:06,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 07:08:06,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:08:06,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 07:08:06,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:08:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2680 backedges. 895 proven. 230 refuted. 0 times theorem prover too weak. 1555 trivial. 0 not checked. [2024-04-04 07:08:07,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:08:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2680 backedges. 799 proven. 274 refuted. 0 times theorem prover too weak. 1607 trivial. 0 not checked. [2024-04-04 07:08:08,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980571521] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:08:08,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:08:08,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 25, 26] total 93 [2024-04-04 07:08:08,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872474026] [2024-04-04 07:08:08,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:08:08,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-04-04 07:08:08,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:08:08,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-04-04 07:08:08,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=8014, Unknown=0, NotChecked=0, Total=8556 [2024-04-04 07:08:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:08,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:08:08,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 9.64516129032258) internal successors, (897), 93 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:08:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:08:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:08:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:08:08,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:08:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:21,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:21,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:08:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:08:21,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 07:08:21,741 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,SelfDestructingSolverStorable13 [2024-04-04 07:08:21,742 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:08:21,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:08:21,742 INFO L85 PathProgramCache]: Analyzing trace with hash 121416336, now seen corresponding path program 4 times [2024-04-04 07:08:21,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:08:21,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353226143] [2024-04-04 07:08:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:08:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:08:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:08:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 2160 proven. 613 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2024-04-04 07:08:24,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:08:24,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353226143] [2024-04-04 07:08:24,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353226143] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:08:24,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749878463] [2024-04-04 07:08:24,027 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:08:24,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:08:24,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:08:24,028 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) [2024-04-04 07:08:24,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 07:08:24,444 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:08:24,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:08:24,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-04 07:08:24,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:08:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 2299 proven. 474 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2024-04-04 07:08:26,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:08:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 2299 proven. 474 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2024-04-04 07:08:28,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749878463] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:08:28,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:08:28,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 134 [2024-04-04 07:08:28,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616980956] [2024-04-04 07:08:28,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:08:28,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-04-04 07:08:28,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:08:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-04-04 07:08:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2527, Invalid=15295, Unknown=0, NotChecked=0, Total=17822 [2024-04-04 07:08:28,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:28,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:08:28,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 7.5) internal successors, (1005), 134 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:08:28,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:28,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:08:28,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:08:28,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:08:28,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:08:28,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:08:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:08:31,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 07:08:31,394 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,SelfDestructingSolverStorable14 [2024-04-04 07:08:31,394 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:08:31,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:08:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1839074629, now seen corresponding path program 5 times [2024-04-04 07:08:31,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:08:31,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242763507] [2024-04-04 07:08:31,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:08:31,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:08:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:08:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 2225 proven. 718 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-04-04 07:08:33,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:08:33,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242763507] [2024-04-04 07:08:33,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242763507] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:08:33,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098915501] [2024-04-04 07:08:33,991 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:08:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:08:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:08:33,992 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) [2024-04-04 07:08:33,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 07:09:09,561 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-04 07:09:09,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:09,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 07:09:09,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 1676 proven. 166 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2024-04-04 07:09:10,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 1747 proven. 92 refuted. 0 times theorem prover too weak. 2288 trivial. 0 not checked. [2024-04-04 07:09:11,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098915501] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:11,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:11,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 17, 18] total 83 [2024-04-04 07:09:11,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153588845] [2024-04-04 07:09:11,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:11,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-04-04 07:09:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-04-04 07:09:11,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=6293, Unknown=0, NotChecked=0, Total=6806 [2024-04-04 07:09:11,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:11,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:11,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 9.939759036144578) internal successors, (825), 83 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:09:11,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:09:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:09:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:09:19,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-04 07:09:19,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-04 07:09:19,533 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:09:19,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:19,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1105900008, now seen corresponding path program 6 times [2024-04-04 07:09:19,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:19,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660658584] [2024-04-04 07:09:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:19,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5487 backedges. 3019 proven. 892 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2024-04-04 07:09:22,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:22,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660658584] [2024-04-04 07:09:22,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660658584] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:22,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403261708] [2024-04-04 07:09:22,882 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 07:09:22,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:22,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:22,884 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) [2024-04-04 07:09:22,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 07:09:37,535 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-04-04 07:09:37,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:09:37,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 07:09:37,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5487 backedges. 1800 proven. 607 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2024-04-04 07:09:39,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5487 backedges. 1805 proven. 259 refuted. 0 times theorem prover too weak. 3423 trivial. 0 not checked. [2024-04-04 07:09:40,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403261708] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:40,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:40,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 35, 16] total 110 [2024-04-04 07:09:40,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728150962] [2024-04-04 07:09:40,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:40,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-04-04 07:09:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:40,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-04-04 07:09:40,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=713, Invalid=11277, Unknown=0, NotChecked=0, Total=11990 [2024-04-04 07:09:40,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:40,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:40,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 8.763636363636364) internal successors, (964), 110 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:09:40,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:09:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:09:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:09:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:09:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-04 07:09:48,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 07:09:48,998 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,SelfDestructingSolverStorable16 [2024-04-04 07:09:48,999 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:09:48,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:09:48,999 INFO L85 PathProgramCache]: Analyzing trace with hash 165539703, now seen corresponding path program 7 times [2024-04-04 07:09:48,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:09:48,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580022089] [2024-04-04 07:09:49,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:09:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:09:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 442 proven. 1717 refuted. 0 times theorem prover too weak. 1545 trivial. 0 not checked. [2024-04-04 07:09:51,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:09:51,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580022089] [2024-04-04 07:09:51,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580022089] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:09:51,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371552011] [2024-04-04 07:09:51,049 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 07:09:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:09:51,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:09:51,050 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:09:51,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 07:09:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:09:51,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-04 07:09:51,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:09:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 758 proven. 1443 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2024-04-04 07:09:53,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:09:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 857 proven. 1344 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2024-04-04 07:09:55,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371552011] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:09:55,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:09:55,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 57, 57] total 137 [2024-04-04 07:09:55,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868522088] [2024-04-04 07:09:55,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:09:55,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-04-04 07:09:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:09:55,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-04-04 07:09:55,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2878, Invalid=15754, Unknown=0, NotChecked=0, Total=18632 [2024-04-04 07:09:55,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:55,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:09:55,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 8.226277372262773) internal successors, (1127), 137 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-04 07:09:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:10:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-04 07:10:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-04-04 07:10:00,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-04 07:10:01,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-04 07:10:01,192 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:10:01,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:01,192 INFO L85 PathProgramCache]: Analyzing trace with hash 950612631, now seen corresponding path program 10 times [2024-04-04 07:10:01,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:01,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117073274] [2024-04-04 07:10:01,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:01,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4861 backedges. 2484 proven. 877 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-04-04 07:10:04,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:04,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117073274] [2024-04-04 07:10:04,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117073274] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:04,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885485778] [2024-04-04 07:10:04,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 07:10:04,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:04,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:04,423 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:10:04,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 07:10:04,791 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 07:10:04,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 07:10:04,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-04 07:10:04,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 07:10:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4861 backedges. 2611 proven. 750 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-04-04 07:10:08,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 07:10:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4861 backedges. 2611 proven. 750 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-04-04 07:10:10,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885485778] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 07:10:10,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 07:10:10,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 164 [2024-04-04 07:10:10,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120539175] [2024-04-04 07:10:10,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 07:10:10,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-04-04 07:10:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:10:10,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-04-04 07:10:10,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3730, Invalid=23002, Unknown=0, NotChecked=0, Total=26732 [2024-04-04 07:10:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:10,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:10:10,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 7.640243902439025) internal successors, (1253), 164 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-04-04 07:10:10,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-04-04 07:10:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 07:10:12,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 07:10:13,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:13,131 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 07:10:13,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 07:10:13,131 INFO L85 PathProgramCache]: Analyzing trace with hash 841309890, now seen corresponding path program 11 times [2024-04-04 07:10:13,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 07:10:13,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584118897] [2024-04-04 07:10:13,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 07:10:13,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 07:10:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 07:10:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5179 backedges. 696 proven. 2771 refuted. 0 times theorem prover too weak. 1712 trivial. 0 not checked. [2024-04-04 07:10:16,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 07:10:16,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584118897] [2024-04-04 07:10:16,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584118897] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 07:10:16,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341837831] [2024-04-04 07:10:16,142 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 07:10:16,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 07:10:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 07:10:16,143 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 07:10:16,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process Received shutdown request... [2024-04-04 07:21:33,551 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 07:21:33,561 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 07:21:33,576 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 07:21:34,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-04-04 07:21:34,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 07:21:34,752 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forcibly destroying the process [2024-04-04 07:21:34,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 137 [2024-04-04 07:21:34,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 07:21:34,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-04 07:21:34,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2024-04-04 07:21:34,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344576303] [2024-04-04 07:21:34,780 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-04 07:21:34,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-04 07:21:34,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 07:21:34,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-04 07:21:34,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=3866, Unknown=0, NotChecked=0, Total=4422 [2024-04-04 07:21:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:21:34,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 07:21:34,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.492537313432836) internal successors, (636), 67 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 07:21:34,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 07:21:34,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-04-04 07:21:34,784 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-04 07:21:34,786 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 07:21:34,786 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 07:21:34,786 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 07:21:34,786 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 07:21:34,789 INFO L445 BasicCegarLoop]: Path program histogram: [11, 7, 1, 1] [2024-04-04 07:21:34,792 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 07:21:34,794 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 07:21:34,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 07:21:34 BasicIcfg [2024-04-04 07:21:34,797 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 07:21:34,798 INFO L158 Benchmark]: Toolchain (without parser) took 866166.77ms. Allocated memory was 389.0MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 310.0MB in the beginning and 1.2GB in the end (delta: -869.9MB). Peak memory consumption was 399.8MB. Max. memory is 8.0GB. [2024-04-04 07:21:34,798 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 212.9MB. Free memory is still 179.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 07:21:34,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.00ms. Allocated memory is still 389.0MB. Free memory was 309.8MB in the beginning and 297.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 07:21:34,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.03ms. Allocated memory is still 389.0MB. Free memory was 357.2MB in the beginning and 355.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 07:21:34,798 INFO L158 Benchmark]: Boogie Preprocessor took 38.69ms. Allocated memory is still 389.0MB. Free memory was 355.5MB in the beginning and 353.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 07:21:34,798 INFO L158 Benchmark]: RCFGBuilder took 460.68ms. Allocated memory is still 389.0MB. Free memory was 353.4MB in the beginning and 330.8MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-04-04 07:21:34,799 INFO L158 Benchmark]: TraceAbstraction took 865344.28ms. Allocated memory was 389.0MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 329.8MB in the beginning and 1.2GB in the end (delta: -850.1MB). Peak memory consumption was 419.2MB. Max. memory is 8.0GB. [2024-04-04 07:21:34,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 212.9MB. Free memory is still 179.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 257.00ms. Allocated memory is still 389.0MB. Free memory was 309.8MB in the beginning and 297.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.03ms. Allocated memory is still 389.0MB. Free memory was 357.2MB in the beginning and 355.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.69ms. Allocated memory is still 389.0MB. Free memory was 355.5MB in the beginning and 353.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 460.68ms. Allocated memory is still 389.0MB. Free memory was 353.4MB in the beginning and 330.8MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 865344.28ms. Allocated memory was 389.0MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 329.8MB in the beginning and 1.2GB in the end (delta: -850.1MB). Peak memory consumption was 419.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 930187, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 84458, dependent conditional: 80795, dependent unconditional: 3663, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848012, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 2283, dependent conditional: 2283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 848012, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 2283, dependent conditional: 2283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 848012, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 2283, dependent conditional: 2283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50463, independent unconditional: 795266, dependent: 18938, dependent conditional: 12912, dependent unconditional: 6026, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1554, independent: 1311, independent conditional: 22, independent unconditional: 1289, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1554, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 607, independent: 44, independent conditional: 44, independent unconditional: 0, dependent: 562, dependent conditional: 484, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 864667, independent: 844418, independent conditional: 50269, independent unconditional: 794149, dependent: 18695, dependent conditional: 10057, dependent unconditional: 8638, unknown: 1554, unknown conditional: 255, unknown unconditional: 1299] , Statistics on independence cache: Total cache size (in pairs): 1554, Positive cache size: 1311, Positive conditional cache size: 22, Positive unconditional cache size: 1289, Negative cache size: 243, Negative conditional cache size: 233, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2794, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50463, independent unconditional: 795266, dependent: 18938, dependent conditional: 12912, dependent unconditional: 6026, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1554, independent: 1311, independent conditional: 22, independent unconditional: 1289, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1554, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 607, independent: 44, independent conditional: 44, independent unconditional: 0, dependent: 562, dependent conditional: 484, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 864667, independent: 844418, independent conditional: 50269, independent unconditional: 794149, dependent: 18695, dependent conditional: 10057, dependent unconditional: 8638, unknown: 1554, unknown conditional: 255, unknown unconditional: 1299] , Statistics on independence cache: Total cache size (in pairs): 1554, Positive cache size: 1311, Positive conditional cache size: 22, Positive unconditional cache size: 1289, Negative cache size: 243, Negative conditional cache size: 233, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2794 ], Independence queries for same thread: 82175 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 255 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 865.2s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 63.2s, 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: 1651, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 54.4s SatisfiabilityAnalysisTime, 61.9s InterpolantComputationTime, 19481 NumberOfCodeBlocks, 18500 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 28533 ConstructedInterpolants, 0 QuantifiedInterpolants, 100470 SizeOfPredicates, 533 NumberOfNonLiveVariables, 15490 ConjunctsInSsa, 584 ConjunctsInUnsatCore, 54 InterpolantComputations, 2 PerfectInterpolantSequences, 88965/108405 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 !ENTRY org.eclipse.osgi 4 0 2024-04-04 07:21:34.813 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b8425f72/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438)