/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 RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 06:28:30,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 06:28:30,276 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 06:28:30,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 06:28:30,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 06:28:30,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 06:28:30,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 06:28:30,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 06:28:30,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 06:28:30,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 06:28:30,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 06:28:30,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 06:28:30,308 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 06:28:30,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 06:28:30,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 06:28:30,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 06:28:30,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 06:28:30,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 06:28:30,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 06:28:30,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 06:28:30,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 06:28:30,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 06:28:30,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 06:28:30,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 06:28:30,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 06:28:30,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 06:28:30,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 06:28:30,311 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 06:28:30,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 06:28:30,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 06:28:30,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 06:28:30,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 06:28:30,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 06:28:30,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 06:28:30,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 06:28:30,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 06:28:30,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 06:28:30,513 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 06:28:30,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-04-05 06:28:31,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 06:28:31,619 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 06:28:31,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-04-05 06:28:31,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d75d42b34/6a71cb11c255460baf7bb2e7cac2ee51/FLAG9f2228cdf [2024-04-05 06:28:31,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d75d42b34/6a71cb11c255460baf7bb2e7cac2ee51 [2024-04-05 06:28:31,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 06:28:31,637 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 06:28:31,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 06:28:31,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 06:28:31,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 06:28:31,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487084e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31, skipping insertion in model container [2024-04-05 06:28:31,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,664 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 06:28:31,777 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-max.wvr.c[2823,2836] [2024-04-05 06:28:31,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 06:28:31,791 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 06:28:31,808 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-max.wvr.c[2823,2836] [2024-04-05 06:28:31,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 06:28:31,816 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 06:28:31,816 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 06:28:31,822 INFO L206 MainTranslator]: Completed translation [2024-04-05 06:28:31,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31 WrapperNode [2024-04-05 06:28:31,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 06:28:31,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 06:28:31,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 06:28:31,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 06:28:31,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,852 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 239 [2024-04-05 06:28:31,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 06:28:31,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 06:28:31,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 06:28:31,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 06:28:31,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 06:28:31,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 06:28:31,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 06:28:31,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 06:28:31,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (1/1) ... [2024-04-05 06:28:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 06:28:31,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:28:31,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 06:28:31,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 06:28:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 06:28:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 06:28:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 06:28:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 06:28:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 06:28:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 06:28:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 06:28:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 06:28:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 06:28:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 06:28:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 06:28:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 06:28:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 06:28:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 06:28:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 06:28:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 06:28:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 06:28:31,965 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 06:28:32,044 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 06:28:32,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 06:28:32,409 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 06:28:32,459 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 06:28:32,459 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-05 06:28:32,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:28:32 BoogieIcfgContainer [2024-04-05 06:28:32,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 06:28:32,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 06:28:32,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 06:28:32,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 06:28:32,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 06:28:31" (1/3) ... [2024-04-05 06:28:32,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45139bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:28:32, skipping insertion in model container [2024-04-05 06:28:32,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:28:31" (2/3) ... [2024-04-05 06:28:32,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45139bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:28:32, skipping insertion in model container [2024-04-05 06:28:32,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:28:32" (3/3) ... [2024-04-05 06:28:32,466 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-04-05 06:28:32,471 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 06:28:32,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 06:28:32,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 06:28:32,478 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 06:28:32,529 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 06:28:32,560 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 06:28:32,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 06:28:32,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:28:32,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 06:28:32,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 06:28:32,584 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 06:28:32,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:32,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 06:28:32,600 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;@7f0b4e58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 06:28:32,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 06:28:33,774 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)] === [2024-04-05 06:28:33,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:33,779 INFO L85 PathProgramCache]: Analyzing trace with hash -934795254, now seen corresponding path program 1 times [2024-04-05 06:28:33,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:28:33,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593010366] [2024-04-05 06:28:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:33,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-05 06:28:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:28:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593010366] [2024-04-05 06:28:34,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593010366] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 06:28:34,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 06:28:34,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 06:28:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247437082] [2024-04-05 06:28:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 06:28:34,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 06:28:34,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:28:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 06:28:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 06:28:34,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:34,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:28:34,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 130.0) internal successors, (260), 2 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:28:34,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:34,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:34,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 06:28:34,641 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)] === [2024-04-05 06:28:34,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:34,642 INFO L85 PathProgramCache]: Analyzing trace with hash -539374646, now seen corresponding path program 1 times [2024-04-05 06:28:34,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:28:34,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219696960] [2024-04-05 06:28:34,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:34,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-04-05 06:28:35,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:28:35,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219696960] [2024-04-05 06:28:35,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219696960] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 06:28:35,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 06:28:35,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 06:28:35,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570187915] [2024-04-05 06:28:35,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 06:28:35,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 06:28:35,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:28:35,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 06:28:35,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 06:28:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:35,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:28:35,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:28:35,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:35,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:35,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:35,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:35,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 06:28:35,690 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)] === [2024-04-05 06:28:35,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:35,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1459837985, now seen corresponding path program 1 times [2024-04-05 06:28:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:28:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060250415] [2024-04-05 06:28:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-05 06:28:36,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:28:36,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060250415] [2024-04-05 06:28:36,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060250415] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:28:36,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802036117] [2024-04-05 06:28:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:36,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:28:36,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:28:36,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:28:36,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 06:28:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:36,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 06:28:36,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:28:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-05 06:28:36,495 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:28:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-05 06:28:36,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802036117] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:28:36,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:28:36,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 06:28:36,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443634761] [2024-04-05 06:28:36,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:28:36,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 06:28:36,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:28:36,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 06:28:36,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-04-05 06:28:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:36,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:28:36,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.42105263157895) internal successors, (350), 19 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:28:36,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:36,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:36,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:28:37,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 06:28:37,747 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 [2024-04-05 06:28:37,747 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)] === [2024-04-05 06:28:37,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1038471816, now seen corresponding path program 2 times [2024-04-05 06:28:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:28:37,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139373600] [2024-04-05 06:28:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-04-05 06:28:38,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:28:38,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139373600] [2024-04-05 06:28:38,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139373600] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:28:38,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802170608] [2024-04-05 06:28:38,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 06:28:38,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:28:38,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:28:38,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:28:38,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 06:28:38,305 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 06:28:38,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:28:38,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 06:28:38,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:28:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-05 06:28:38,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:28:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 42 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-05 06:28:38,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802170608] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:28:38,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:28:38,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 30 [2024-04-05 06:28:38,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027486461] [2024-04-05 06:28:38,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:28:38,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 06:28:38,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:28:38,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 06:28:38,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2024-04-05 06:28:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:38,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:28:38,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 20.133333333333333) internal successors, (604), 30 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:28:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:28:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:40,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:28:40,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:28:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1124601975, now seen corresponding path program 1 times [2024-04-05 06:28:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 34 proven. 72 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-04-05 06:28:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:43,683 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 34 proven. 72 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-04-05 06:28:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:28:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:28:43,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 06:28:43,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:28:43,960 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)] === [2024-04-05 06:28:43,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash -63002031, now seen corresponding path program 3 times [2024-04-05 06:28:43,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:28:43,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961225959] [2024-04-05 06:28:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 186 proven. 64 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-04-05 06:28:44,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:28:44,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961225959] [2024-04-05 06:28:44,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961225959] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:28:44,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238398166] [2024-04-05 06:28:44,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 06:28:44,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:28:44,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:28:44,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:28:44,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 06:28:44,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-05 06:28:44,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:28:44,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-05 06:28:44,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:28:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 240 proven. 27 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-04-05 06:28:45,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:28:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 204 proven. 65 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 06:28:46,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238398166] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:28:46,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:28:46,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 28, 20] total 54 [2024-04-05 06:28:46,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911628766] [2024-04-05 06:28:46,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:28:46,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-05 06:28:46,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:28:46,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-05 06:28:46,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=2503, Unknown=0, NotChecked=0, Total=2862 [2024-04-05 06:28:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:46,242 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:28:46,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 13.018518518518519) internal successors, (703), 54 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:28:46,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:46,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:46,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:28:46,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:28:46,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:47,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:28:47,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:28:50,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1810561522, now seen corresponding path program 2 times [2024-04-05 06:28:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:50,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-05 06:28:50,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-04-05 06:28:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:28:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:28:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:28:51,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 06:28:51,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:28:51,334 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)] === [2024-04-05 06:28:51,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:28:51,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1925659224, now seen corresponding path program 4 times [2024-04-05 06:28:51,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:28:51,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319923456] [2024-04-05 06:28:51,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:51,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 221 proven. 98 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-05 06:28:51,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:28:51,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319923456] [2024-04-05 06:28:51,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319923456] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:28:51,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725218311] [2024-04-05 06:28:51,945 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 06:28:51,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:28:51,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:28:51,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:28:51,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 06:28:52,106 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 06:28:52,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:28:52,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 06:28:52,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:28:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 242 proven. 52 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-05 06:28:52,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:28:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 242 proven. 52 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-05 06:28:53,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725218311] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:28:53,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:28:53,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 52 [2024-04-05 06:28:53,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776859529] [2024-04-05 06:28:53,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:28:53,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-05 06:28:53,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:28:53,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-05 06:28:53,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=2233, Unknown=0, NotChecked=0, Total=2652 [2024-04-05 06:28:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:53,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:28:53,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 12.115384615384615) internal successors, (630), 52 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) [2024-04-05 06:28:53,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:53,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:28:53,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:28:53,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:28:53,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:28:53,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:28:54,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:28:54,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:28:56,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1246586241, now seen corresponding path program 3 times [2024-04-05 06:28:56,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:56,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-04-05 06:28:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:28:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:28:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:28:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-04-05 06:28:57,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:28:57,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:29:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1532361893, now seen corresponding path program 4 times [2024-04-05 06:29:00,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-04-05 06:29:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-04-05 06:29:00,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:00,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 06:29:01,109 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13 [2024-04-05 06:29:01,112 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)] === [2024-04-05 06:29:01,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:01,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1739006463, now seen corresponding path program 5 times [2024-04-05 06:29:01,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:01,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637847599] [2024-04-05 06:29:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 71 proven. 257 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-05 06:29:01,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:01,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637847599] [2024-04-05 06:29:01,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637847599] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:01,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977423093] [2024-04-05 06:29:01,722 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 06:29:01,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:01,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:01,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:29:01,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 06:29:03,459 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-05 06:29:03,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:29:03,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 06:29:03,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:29:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 62 proven. 206 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 06:29:04,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:29:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-04-05 06:29:04,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977423093] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:29:04,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:29:04,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 11] total 47 [2024-04-05 06:29:04,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556434516] [2024-04-05 06:29:04,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:29:04,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-05 06:29:04,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:29:04,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-05 06:29:04,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1990, Unknown=0, NotChecked=0, Total=2162 [2024-04-05 06:29:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:04,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:29:04,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 16.085106382978722) internal successors, (756), 47 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:04,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 06:29:07,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 06:29:07,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-05 06:29:07,689 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)] === [2024-04-05 06:29:07,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:07,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1264037377, now seen corresponding path program 6 times [2024-04-05 06:29:07,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:07,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467515763] [2024-04-05 06:29:07,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:07,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 205 proven. 131 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-05 06:29:08,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:08,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467515763] [2024-04-05 06:29:08,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467515763] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:08,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248612933] [2024-04-05 06:29:08,368 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 06:29:08,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:08,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:08,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 06:29:08,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 06:29:08,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-05 06:29:08,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:29:08,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 06:29:08,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:29:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 251 proven. 85 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-05 06:29:09,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:29:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 251 proven. 85 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-05 06:29:10,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248612933] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:29:10,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:29:10,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-04-05 06:29:10,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049524941] [2024-04-05 06:29:10,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:29:10,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-05 06:29:10,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:29:10,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-05 06:29:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=2975, Unknown=0, NotChecked=0, Total=3540 [2024-04-05 06:29:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:10,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:29:10,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 12.216666666666667) internal successors, (733), 60 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 06:29:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-05 06:29:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:11,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 06:29:11,596 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,SelfDestructingSolverStorable15 [2024-04-05 06:29:11,596 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)] === [2024-04-05 06:29:11,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:11,597 INFO L85 PathProgramCache]: Analyzing trace with hash 249728008, now seen corresponding path program 7 times [2024-04-05 06:29:11,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:11,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542865397] [2024-04-05 06:29:11,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 65 proven. 312 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 06:29:12,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:12,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542865397] [2024-04-05 06:29:12,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542865397] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:12,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063799323] [2024-04-05 06:29:12,287 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 06:29:12,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:12,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:12,288 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) [2024-04-05 06:29:12,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 06:29:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:12,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 06:29:12,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:29:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 94 proven. 283 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 06:29:13,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:29:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 135 proven. 242 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 06:29:14,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063799323] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:29:14,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:29:14,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-04-05 06:29:14,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80766431] [2024-04-05 06:29:14,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:29:14,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-05 06:29:14,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:29:14,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-05 06:29:14,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=2988, Unknown=0, NotChecked=0, Total=3540 [2024-04-05 06:29:14,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:14,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:29:14,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 11.55) internal successors, (693), 60 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:29:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-05 06:29:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:16,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:29:16,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:29:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash -338694324, now seen corresponding path program 5 times [2024-04-05 06:29:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:19,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 343 proven. 243 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-05 06:29:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:20,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 343 proven. 243 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-05 06:29:21,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:29:21,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:29:23,644 INFO L85 PathProgramCache]: Analyzing trace with hash 798780333, now seen corresponding path program 6 times [2024-04-05 06:29:23,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:23,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:24,248 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 343 proven. 243 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-05 06:29:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:24,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 343 proven. 243 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:24,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 06:29:25,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 06:29:25,048 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)] === [2024-04-05 06:29:25,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:25,048 INFO L85 PathProgramCache]: Analyzing trace with hash -177588708, now seen corresponding path program 8 times [2024-04-05 06:29:25,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:25,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926822547] [2024-04-05 06:29:25,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:25,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 559 proven. 278 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-04-05 06:29:25,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:25,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926822547] [2024-04-05 06:29:25,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926822547] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:25,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950359831] [2024-04-05 06:29:25,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 06:29:25,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:25,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:25,933 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) [2024-04-05 06:29:25,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 06:29:26,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 06:29:26,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:29:26,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 06:29:26,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:29:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 653 proven. 126 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-04-05 06:29:27,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:29:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 653 proven. 126 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-04-05 06:29:28,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950359831] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:29:28,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:29:28,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 81 [2024-04-05 06:29:28,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263966997] [2024-04-05 06:29:28,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:29:28,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-05 06:29:28,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:29:28,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-05 06:29:28,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=5689, Unknown=0, NotChecked=0, Total=6480 [2024-04-05 06:29:28,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:28,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:29:28,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 11.728395061728396) internal successors, (950), 81 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:30,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:29:30,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:29:32,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1406172771, now seen corresponding path program 7 times [2024-04-05 06:29:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:32,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 375 proven. 261 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-05 06:29:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 375 proven. 261 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-05 06:29:33,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:29:33,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:29:36,197 INFO L85 PathProgramCache]: Analyzing trace with hash -211481212, now seen corresponding path program 8 times [2024-04-05 06:29:36,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 375 proven. 261 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-05 06:29:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 375 proven. 261 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-05 06:29:37,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 06:29:37,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 06:29:37,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2024-04-05 06:29:37,648 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)] === [2024-04-05 06:29:37,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:37,648 INFO L85 PathProgramCache]: Analyzing trace with hash 510932709, now seen corresponding path program 9 times [2024-04-05 06:29:37,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:37,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738167159] [2024-04-05 06:29:37,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:37,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 559 proven. 327 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-05 06:29:38,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:38,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738167159] [2024-04-05 06:29:38,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738167159] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:38,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489550722] [2024-04-05 06:29:38,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 06:29:38,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:38,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:38,613 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) [2024-04-05 06:29:38,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 06:29:41,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-05 06:29:41,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:29:41,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 62 conjunts are in the unsatisfiable core [2024-04-05 06:29:41,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:29:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 810 proven. 175 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-05 06:29:42,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:29:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 712 proven. 224 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-04-05 06:29:44,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489550722] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:29:44,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:29:44,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 48, 35] total 109 [2024-04-05 06:29:44,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317299274] [2024-04-05 06:29:44,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:29:44,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-04-05 06:29:44,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:29:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-04-05 06:29:44,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1353, Invalid=10419, Unknown=0, NotChecked=0, Total=11772 [2024-04-05 06:29:44,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:44,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:29:44,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 11.862385321100918) internal successors, (1293), 109 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 06:29:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:46,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 06:29:46,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 86 [2024-04-05 06:29:49,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1670897775, now seen corresponding path program 9 times [2024-04-05 06:29:49,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 14 proven. 297 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2024-04-05 06:29:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:50,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 14 proven. 297 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 06:29:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 06:29:50,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 06:29:51,108 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,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-05 06:29:51,109 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)] === [2024-04-05 06:29:51,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:51,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1663888009, now seen corresponding path program 10 times [2024-04-05 06:29:51,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:51,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466428070] [2024-04-05 06:29:51,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:51,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 147 proven. 830 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-04-05 06:29:52,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:52,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466428070] [2024-04-05 06:29:52,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466428070] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:52,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449182483] [2024-04-05 06:29:52,230 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 06:29:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:52,231 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) [2024-04-05 06:29:52,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 06:29:52,482 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 06:29:52,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:29:52,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-05 06:29:52,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:29:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 247 proven. 738 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-04-05 06:29:54,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:29:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 312 proven. 673 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-04-05 06:29:55,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449182483] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:29:55,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:29:55,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35, 35] total 85 [2024-04-05 06:29:55,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698897995] [2024-04-05 06:29:55,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:29:55,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-05 06:29:55,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:29:55,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-05 06:29:55,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1107, Invalid=6033, Unknown=0, NotChecked=0, Total=7140 [2024-04-05 06:29:55,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:55,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:29:55,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 11.847058823529412) internal successors, (1007), 85 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 06:29:55,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 06:29:55,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:29:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:29:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:29:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 06:29:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 06:29:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-05 06:29:58,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 06:29:58,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:58,425 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)] === [2024-04-05 06:29:58,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 06:29:58,425 INFO L85 PathProgramCache]: Analyzing trace with hash -98520669, now seen corresponding path program 11 times [2024-04-05 06:29:58,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 06:29:58,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488082653] [2024-04-05 06:29:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:29:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:29:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:29:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 859 proven. 403 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-04-05 06:29:59,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 06:29:59,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488082653] [2024-04-05 06:29:59,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488082653] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 06:29:59,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124031331] [2024-04-05 06:29:59,858 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 06:29:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 06:29:59,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 06:29:59,859 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) [2024-04-05 06:29:59,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 06:32:21,453 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-04-05 06:32:21,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 06:32:21,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 06:32:21,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 06:32:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 17 proven. 948 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2024-04-05 06:32:23,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 06:32:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 17 proven. 128 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2024-04-05 06:32:23,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124031331] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 06:32:23,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 06:32:23,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 37, 8] total 81 [2024-04-05 06:32:23,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769121045] [2024-04-05 06:32:23,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 06:32:23,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-05 06:32:23,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 06:32:23,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-05 06:32:23,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=6102, Unknown=0, NotChecked=0, Total=6480 [2024-04-05 06:32:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:32:23,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 06:32:23,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 12.666666666666666) internal successors, (1026), 81 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 06:32:23,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 06:32:23,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-05 06:32:23,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 06:32:31,413 INFO L349 Elim1Store]: treesize reduction 8, result has 79.5 percent of original size [2024-04-05 06:32:31,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 78 [2024-04-05 06:32:33,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2032393180, now seen corresponding path program 10 times [2024-04-05 06:32:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:32:33,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:32:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:32:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-04-05 06:32:34,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 06:32:34,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 06:32:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 06:32:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-04-05 06:32:34,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-05 06:32:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=5697, Unknown=0, NotChecked=0, Total=6006 [2024-04-05 06:32:36,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-05 06:32:37,164 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,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2024-04-05 06:32:37,164 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@58231049 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:173) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-05 06:32:37,168 INFO L158 Benchmark]: Toolchain (without parser) took 245530.99ms. Allocated memory was 389.0MB in the beginning and 1.3GB in the end (delta: 904.9MB). Free memory was 319.0MB in the beginning and 690.9MB in the end (delta: -371.8MB). Peak memory consumption was 788.4MB. Max. memory is 8.0GB. [2024-04-05 06:32:37,168 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 234.9MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 06:32:37,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.85ms. Allocated memory is still 389.0MB. Free memory was 318.9MB in the beginning and 306.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-05 06:32:37,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.52ms. Allocated memory is still 389.0MB. Free memory was 306.5MB in the beginning and 304.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 06:32:37,168 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 389.0MB. Free memory was 304.0MB in the beginning and 301.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 06:32:37,168 INFO L158 Benchmark]: RCFGBuilder took 583.60ms. Allocated memory is still 389.0MB. Free memory was 301.8MB in the beginning and 334.9MB in the end (delta: -33.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-05 06:32:37,168 INFO L158 Benchmark]: TraceAbstraction took 244705.23ms. Allocated memory was 389.0MB in the beginning and 1.3GB in the end (delta: 904.9MB). Free memory was 333.9MB in the beginning and 690.9MB in the end (delta: -357.0MB). Peak memory consumption was 804.0MB. Max. memory is 8.0GB. [2024-04-05 06:32:37,169 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 234.9MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 184.85ms. Allocated memory is still 389.0MB. Free memory was 318.9MB in the beginning and 306.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.52ms. Allocated memory is still 389.0MB. Free memory was 306.5MB in the beginning and 304.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 389.0MB. Free memory was 304.0MB in the beginning and 301.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 583.60ms. Allocated memory is still 389.0MB. Free memory was 301.8MB in the beginning and 334.9MB in the end (delta: -33.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 244705.23ms. Allocated memory was 389.0MB in the beginning and 1.3GB in the end (delta: 904.9MB). Free memory was 333.9MB in the beginning and 690.9MB in the end (delta: -357.0MB). Peak memory consumption was 804.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@58231049 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@58231049: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 06:32:37,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-05 06:32:37,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...