/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 23:37:13,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 23:37:13,271 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 23:37:13,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 23:37:13,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 23:37:13,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 23:37:13,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 23:37:13,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 23:37:13,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 23:37:13,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 23:37:13,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 23:37:13,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 23:37:13,312 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 23:37:13,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 23:37:13,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 23:37:13,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 23:37:13,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 23:37:13,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 23:37:13,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 23:37:13,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 23:37:13,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 23:37:13,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 23:37:13,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 23:37:13,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 23:37:13,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 23:37:13,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 23:37:13,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 23:37:13,317 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 23:37:13,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 23:37:13,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 23:37:13,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 23:37:13,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 23:37:13,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 23:37:13,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 23:37:13,320 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 23:37:13,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 23:37:13,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 23:37:13,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 23:37:13,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 23:37:13,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-03 23:37:13,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 23:37:13,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 23:37:13,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 23:37:13,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 23:37:13,622 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 23:37:13,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-04-03 23:37:14,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 23:37:14,941 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 23:37:14,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-04-03 23:37:14,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b1aa55bea/a165e9bb31a94563903b39b6dcf7dc3b/FLAGacb0335d0 [2024-04-03 23:37:14,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b1aa55bea/a165e9bb31a94563903b39b6dcf7dc3b [2024-04-03 23:37:14,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 23:37:14,968 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 23:37:14,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 23:37:14,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 23:37:14,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 23:37:14,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 11:37:14" (1/1) ... [2024-04-03 23:37:14,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bab25e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:14, skipping insertion in model container [2024-04-03 23:37:14,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 11:37:14" (1/1) ... [2024-04-03 23:37:15,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 23:37:15,153 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/parallel-lamport.wvr.c[4210,4223] [2024-04-03 23:37:15,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 23:37:15,174 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 23:37:15,195 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/parallel-lamport.wvr.c[4210,4223] [2024-04-03 23:37:15,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 23:37:15,214 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 23:37:15,214 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 23:37:15,221 INFO L206 MainTranslator]: Completed translation [2024-04-03 23:37:15,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15 WrapperNode [2024-04-03 23:37:15,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 23:37:15,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 23:37:15,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 23:37:15,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 23:37:15,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,268 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 243 [2024-04-03 23:37:15,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 23:37:15,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 23:37:15,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 23:37:15,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 23:37:15,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 23:37:15,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 23:37:15,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 23:37:15,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 23:37:15,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (1/1) ... [2024-04-03 23:37:15,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 23:37:15,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:37:15,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-03 23:37:15,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-03 23:37:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 23:37:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 23:37:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 23:37:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 23:37:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-03 23:37:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-03 23:37:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-03 23:37:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-03 23:37:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-03 23:37:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-03 23:37:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 23:37:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-03 23:37:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-03 23:37:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-03 23:37:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 23:37:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 23:37:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 23:37:15,416 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 23:37:15,510 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 23:37:15,512 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 23:37:15,892 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 23:37:15,978 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 23:37:15,978 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-04-03 23:37:15,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 11:37:15 BoogieIcfgContainer [2024-04-03 23:37:15,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 23:37:15,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 23:37:15,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 23:37:15,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 23:37:15,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 11:37:14" (1/3) ... [2024-04-03 23:37:15,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282b142a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 11:37:15, skipping insertion in model container [2024-04-03 23:37:15,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:37:15" (2/3) ... [2024-04-03 23:37:15,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282b142a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 11:37:15, skipping insertion in model container [2024-04-03 23:37:15,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 11:37:15" (3/3) ... [2024-04-03 23:37:15,994 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-04-03 23:37:16,002 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 23:37:16,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 23:37:16,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 23:37:16,010 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 23:37:16,074 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-03 23:37:16,133 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 23:37:16,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 23:37:16,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:37:16,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 23:37:16,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-03 23:37:16,170 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 23:37:16,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:16,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 23:37:16,186 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;@3fe24b1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 23:37:16,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-03 23:37:16,245 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)] === [2024-04-03 23:37:16,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:16,247 INFO L85 PathProgramCache]: Analyzing trace with hash 941376213, now seen corresponding path program 1 times [2024-04-03 23:37:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:16,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183994087] [2024-04-03 23:37:16,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:16,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:16,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183994087] [2024-04-03 23:37:16,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183994087] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:16,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:16,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 23:37:16,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548595467] [2024-04-03 23:37:16,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:16,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 23:37:16,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:16,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 23:37:16,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 23:37:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:16,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:16,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:16,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:16,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 23:37:16,663 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)] === [2024-04-03 23:37:16,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash -467458075, now seen corresponding path program 1 times [2024-04-03 23:37:16,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:16,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939540581] [2024-04-03 23:37:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:17,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:17,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939540581] [2024-04-03 23:37:17,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939540581] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:17,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:17,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-03 23:37:17,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474284205] [2024-04-03 23:37:17,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:17,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-03 23:37:17,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:17,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-03 23:37:17,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-03 23:37:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:17,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:17,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:17,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:17,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:17,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-03 23:37:17,464 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)] === [2024-04-03 23:37:17,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:17,465 INFO L85 PathProgramCache]: Analyzing trace with hash 120148031, now seen corresponding path program 1 times [2024-04-03 23:37:17,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:17,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575752143] [2024-04-03 23:37:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:17,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:18,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575752143] [2024-04-03 23:37:18,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575752143] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:37:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680563393] [2024-04-03 23:37:18,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:18,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:37:18,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:37:18,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:37:18,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 23:37:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:19,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-03 23:37:19,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:37:19,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-03 23:37:19,259 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-04-03 23:37:19,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-04-03 23:37:19,694 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-04-03 23:37:19,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 18 [2024-04-03 23:37:19,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-03 23:37:20,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-03 23:37:21,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-03 23:37:21,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-03 23:37:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:21,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:37:21,888 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_66 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ c_~f~0.offset (* c_~j~0 4))))) (or (< c_~n~0 (+ .cse0 1)) (= (select .cse1 (+ c_~f~0.offset (* 4 .cse0))) c_~i~0) (< .cse0 0))))) is different from false [2024-04-03 23:37:22,348 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse0 (select .cse1 .cse2))) (or (< .cse0 0) (< c_~n~0 (+ .cse0 1)) (< c_~n~0 (+ (select .cse1 (+ (* .cse0 4) c_~f~0.offset)) 2)))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< .cse3 0) (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1))))))) is different from false [2024-04-03 23:37:22,756 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) is different from false [2024-04-03 23:37:23,103 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) is different from false [2024-04-03 23:37:23,405 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< c_~i~0 0) (< c_~n~0 (+ c_~i~0 1))) is different from false [2024-04-03 23:37:23,448 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse2 (+ c_~f~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse0 .cse2))) (or (< c_~n~0 (+ 2 (select .cse0 (+ (* .cse1 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse1 1)) (< .cse1 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse3 (select .cse4 .cse2))) (or (< c_~n~0 (+ .cse3 1)) (< (select .cse4 (+ (* .cse3 4) c_~f~0.offset)) 1) (< .cse3 0))))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (< c_~i~0 0) (< c_~n~0 (+ c_~i~0 1))) is different from false [2024-04-03 23:37:27,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:27,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 94 [2024-04-03 23:37:27,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:27,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1056 treesize of output 1012 [2024-04-03 23:37:27,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:27,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 480 treesize of output 404 [2024-04-03 23:37:27,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:27,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 178 [2024-04-03 23:37:27,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:27,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 175 [2024-04-03 23:37:28,818 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-04-03 23:37:28,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 1 [2024-04-03 23:37:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:29,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680563393] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:37:29,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:37:29,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 31, 28] total 73 [2024-04-03 23:37:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769802197] [2024-04-03 23:37:29,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:37:29,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-03 23:37:29,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:29,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-03 23:37:29,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=3850, Unknown=58, NotChecked=810, Total=5256 [2024-04-03 23:37:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:29,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:29,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.890410958904109) internal successors, (430), 73 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:29,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:29,457 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| c_~f~0.base)) (.cse14 (+ c_~f~0.offset (* c_~j~0 4)))) (let ((.cse0 (select .cse9 .cse14)) (.cse21 (and (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse26 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse27 (select .cse26 .cse14))) (or (< c_~n~0 (+ 2 (select .cse26 (+ (* .cse27 4) c_~f~0.offset)))) (< c_~n~0 (+ .cse27 1)) (< .cse27 0))))) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse29 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse28 (select .cse29 .cse14))) (or (< c_~n~0 (+ .cse28 1)) (< (select .cse29 (+ (* .cse28 4) c_~f~0.offset)) 1) (< .cse28 0))))))) (.cse5 (< c_~n~0 1)) (.cse6 (= c_~n~0 1))) (and (or (< c_~j~0 0) (< c_~n~0 (+ c_~j~0 1)) (= .cse0 c_~i~0)) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse1 (select .cse2 (+ (* ~i~0 4) c_~f~0.offset)))) (or (< c_~n~0 (+ .cse1 1)) (< .cse1 0) (< c_~n~0 (+ (select .cse2 (+ (* .cse1 4) c_~f~0.offset)) 2)))))))) (forall ((~i~0 Int)) (or (< ~i~0 0) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (let ((.cse3 (select .cse4 (+ (* ~i~0 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)))) (or (< .cse3 0) (< c_~n~0 (+ .cse3 1)) (< c_~n~0 (+ (select .cse4 (+ (* .cse3 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)) 2)))))) (< c_~n~0 (+ ~i~0 1)))) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base_8| Int)) (or (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base_8| 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc22#1.base_8|) 0)))) .cse5 .cse6 (< 1 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse7 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse8 (select .cse7 (+ (* ~i~0 4) c_~f~0.offset)))) (or (< (select .cse7 (+ (* .cse8 4) c_~f~0.offset)) 1) (< c_~n~0 (+ .cse8 1)) (< .cse8 0))))))) (or (< c_~n~0 (+ .cse0 1)) (< .cse0 0) (= c_~i~0 (select .cse9 (+ c_~f~0.offset (* .cse0 4))))) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse11 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (let ((.cse10 (select .cse11 (+ (* ~i~0 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)))) (or (< .cse10 0) (< (select .cse11 (+ (* .cse10 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|)) 1) (< c_~n~0 (+ .cse10 1)))))))) (forall ((v_ArrVal_66 (Array Int Int))) (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse13 (select .cse12 .cse14))) (or (< (select .cse12 (+ c_~f~0.offset (* 4 .cse13))) 1) (< c_~n~0 (+ .cse13 1)) (< .cse13 0))))) (or (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~i~0 Int)) (or (< ~i~0 0) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse16 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse15 (select .cse16 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< .cse15 0) (< (select .cse16 (+ (* .cse15 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1) (< c_~n~0 (+ .cse15 1)))))) (< c_~n~0 (+ ~i~0 1)))) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse18 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse17 (select .cse18 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< .cse17 0) (< (select .cse18 (+ (* .cse17 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 1) (< c_~n~0 (+ .cse17 1)))))))) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse19 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse20 (select .cse19 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< c_~n~0 (+ 2 (select .cse19 (+ (* .cse20 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (< .cse20 0) (< c_~n~0 (+ .cse20 1)))))))) (or .cse21 (< c_~i~0 0) (< c_~n~0 (+ c_~i~0 1))) (or .cse21 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (forall ((~i~0 Int)) (or (< ~i~0 0) (< c_~n~0 (+ ~i~0 1)) (forall ((v_ArrVal_66 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_65 (Array Int Int))) (let ((.cse22 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_64) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_65) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse23 (select .cse22 (+ (* ~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< c_~n~0 (+ (select .cse22 (+ (* .cse23 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 2)) (< .cse23 0) (< c_~n~0 (+ .cse23 1)))))))) (or .cse5 (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6) (forall ((v_ArrVal_66 (Array Int Int))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_66) c_~f~0.base))) (let ((.cse24 (select .cse25 .cse14))) (or (< c_~n~0 (+ .cse24 1)) (< c_~n~0 (+ (select .cse25 (+ c_~f~0.offset (* 4 .cse24))) 2)) (< .cse24 0)))))))) is different from false [2024-04-03 23:37:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:31,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:31,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-03 23:37:31,425 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 [2024-04-03 23:37:31,426 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)] === [2024-04-03 23:37:31,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:31,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1785299303, now seen corresponding path program 2 times [2024-04-03 23:37:31,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:31,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373052963] [2024-04-03 23:37:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:34,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:34,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373052963] [2024-04-03 23:37:34,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373052963] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:37:34,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389631675] [2024-04-03 23:37:34,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 23:37:34,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:37:34,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:37:34,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:37:34,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 23:37:34,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-03 23:37:34,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:37:34,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-03 23:37:34,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:37:34,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-03 23:37:34,585 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 23:37:34,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-03 23:37:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 23:37:35,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-04-03 23:37:35,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-04-03 23:37:35,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:35,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-04-03 23:37:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:35,577 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 23:37:35,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389631675] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:35,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 23:37:35,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [32] total 48 [2024-04-03 23:37:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481245881] [2024-04-03 23:37:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:35,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-03 23:37:35,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:35,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-03 23:37:35,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2129, Unknown=0, NotChecked=0, Total=2256 [2024-04-03 23:37:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:35,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:35,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.545454545454546) internal successors, (166), 22 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:37,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-03 23:37:37,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:37:37,578 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)] === [2024-04-03 23:37:37,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash -402900861, now seen corresponding path program 3 times [2024-04-03 23:37:37,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:37,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983361248] [2024-04-03 23:37:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:37,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:37,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983361248] [2024-04-03 23:37:37,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983361248] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:37,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:37,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 23:37:37,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906121563] [2024-04-03 23:37:37,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:37,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 23:37:37,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:37,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-04-03 23:37:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash -447016435, now seen corresponding path program 1 times [2024-04-03 23:37:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:37,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:37:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:37,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 23:37:37,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-03 23:37:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:37,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:37,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:37,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:37,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:37,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:37,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:37,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:38,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-04-03 23:37:38,265 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)] === [2024-04-03 23:37:38,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:38,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1178618859, now seen corresponding path program 4 times [2024-04-03 23:37:38,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:38,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535951733] [2024-04-03 23:37:38,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:38,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:38,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:38,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535951733] [2024-04-03 23:37:38,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535951733] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:38,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:38,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-03 23:37:38,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280395399] [2024-04-03 23:37:38,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:38,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-03 23:37:38,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1948868702, now seen corresponding path program 1 times [2024-04-03 23:37:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:38,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:38,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:37:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:38,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-03 23:37:38,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-03 23:37:38,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:38,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:38,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-04-03 23:37:38,655 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)] === [2024-04-03 23:37:38,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:38,656 INFO L85 PathProgramCache]: Analyzing trace with hash -53267319, now seen corresponding path program 5 times [2024-04-03 23:37:38,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:38,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434646470] [2024-04-03 23:37:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:38,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:38,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:38,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434646470] [2024-04-03 23:37:38,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434646470] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:38,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-03 23:37:38,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615977165] [2024-04-03 23:37:38,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:38,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-03 23:37:38,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:38,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-03 23:37:38,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-03 23:37:38,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:38,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:38,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:39,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:39,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-04-03 23:37:39,277 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)] === [2024-04-03 23:37:39,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash 684790823, now seen corresponding path program 6 times [2024-04-03 23:37:39,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911753133] [2024-04-03 23:37:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:39,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:39,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:39,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911753133] [2024-04-03 23:37:39,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911753133] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:39,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:39,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-03 23:37:39,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982355051] [2024-04-03 23:37:39,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:39,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-03 23:37:39,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1948868702, now seen corresponding path program 2 times [2024-04-03 23:37:39,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:39,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:37:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:39,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-03 23:37:39,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-03 23:37:39,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:39,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:39,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:39,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:39,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:39,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:39,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:39,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:39,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:39,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:39,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:39,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:39,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-04-03 23:37:39,730 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)] === [2024-04-03 23:37:39,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:39,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1756952055, now seen corresponding path program 7 times [2024-04-03 23:37:39,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:39,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600028262] [2024-04-03 23:37:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:39,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:39,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:39,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600028262] [2024-04-03 23:37:39,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600028262] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:39,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:37:39,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 23:37:39,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108980653] [2024-04-03 23:37:39,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:39,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 23:37:39,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:39,952 INFO L85 PathProgramCache]: Analyzing trace with hash 109054638, now seen corresponding path program 1 times [2024-04-03 23:37:39,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:39,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:39,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-03 23:37:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-03 23:37:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 23:37:40,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-03 23:37:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:40,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:40,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:40,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:40,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2024-04-03 23:37:40,387 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)] === [2024-04-03 23:37:40,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:37:40,388 INFO L85 PathProgramCache]: Analyzing trace with hash 365871679, now seen corresponding path program 8 times [2024-04-03 23:37:40,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:37:40,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777501500] [2024-04-03 23:37:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:37:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:37:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:37:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:37:42,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:37:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777501500] [2024-04-03 23:37:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777501500] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:37:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385141982] [2024-04-03 23:37:42,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 23:37:42,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:37:42,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:37:42,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:37:42,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 23:37:42,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-03 23:37:42,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:37:42,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-03 23:37:42,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:37:42,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-03 23:37:42,387 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 23:37:42,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-03 23:37:42,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2024-04-03 23:37:43,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 23:37:43,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-04-03 23:37:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:37:43,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 23:37:43,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385141982] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:37:43,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 23:37:43,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [30] total 44 [2024-04-03 23:37:43,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888522696] [2024-04-03 23:37:43,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:37:43,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-03 23:37:43,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:37:43,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-03 23:37:43,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1754, Unknown=0, NotChecked=0, Total=1892 [2024-04-03 23:37:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:43,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:37:43,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.3) internal successors, (166), 20 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:43,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:43,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 23:37:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 23:37:48,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-03 23:37:48,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-03 23:37:48,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-03 23:37:48,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-03 23:37:48,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-03 23:37:48,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:37:48,937 INFO L445 BasicCegarLoop]: Path program histogram: [8, 2, 1, 1, 1, 1] [2024-04-03 23:37:48,943 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-03 23:37:48,943 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-03 23:37:48,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 11:37:48 BasicIcfg [2024-04-03 23:37:48,947 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-03 23:37:48,947 INFO L158 Benchmark]: Toolchain (without parser) took 33979.62ms. Allocated memory was 271.6MB in the beginning and 772.8MB in the end (delta: 501.2MB). Free memory was 204.8MB in the beginning and 365.1MB in the end (delta: -160.3MB). Peak memory consumption was 342.2MB. Max. memory is 8.0GB. [2024-04-03 23:37:48,947 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 271.6MB. Free memory is still 242.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-03 23:37:48,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.11ms. Allocated memory is still 271.6MB. Free memory was 204.5MB in the beginning and 192.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-03 23:37:48,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 271.6MB. Free memory was 192.2MB in the beginning and 189.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 23:37:48,948 INFO L158 Benchmark]: Boogie Preprocessor took 36.09ms. Allocated memory is still 271.6MB. Free memory was 189.9MB in the beginning and 188.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 23:37:48,948 INFO L158 Benchmark]: RCFGBuilder took 673.59ms. Allocated memory is still 271.6MB. Free memory was 188.0MB in the beginning and 226.9MB in the end (delta: -38.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-03 23:37:48,948 INFO L158 Benchmark]: TraceAbstraction took 32964.98ms. Allocated memory was 271.6MB in the beginning and 772.8MB in the end (delta: 501.2MB). Free memory was 225.8MB in the beginning and 365.1MB in the end (delta: -139.3MB). Peak memory consumption was 363.5MB. Max. memory is 8.0GB. [2024-04-03 23:37:48,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 271.6MB. Free memory is still 242.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.11ms. Allocated memory is still 271.6MB. Free memory was 204.5MB in the beginning and 192.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 271.6MB. Free memory was 192.2MB in the beginning and 189.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.09ms. Allocated memory is still 271.6MB. Free memory was 189.9MB in the beginning and 188.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 673.59ms. Allocated memory is still 271.6MB. Free memory was 188.0MB in the beginning and 226.9MB in the end (delta: -38.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 32964.98ms. Allocated memory was 271.6MB in the beginning and 772.8MB in the end (delta: 501.2MB). Free memory was 225.8MB in the beginning and 365.1MB in the end (delta: -139.3MB). Peak memory consumption was 363.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98884, independent: 98644, independent conditional: 98632, independent unconditional: 12, dependent: 240, dependent conditional: 204, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 98719, independent: 98644, independent conditional: 98632, independent unconditional: 12, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98719, independent: 98644, independent conditional: 98632, independent unconditional: 12, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98719, independent: 98644, independent conditional: 98632, independent unconditional: 12, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99432, independent: 98644, independent conditional: 663, independent unconditional: 97981, dependent: 788, dependent conditional: 476, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99432, independent: 98644, independent conditional: 479, independent unconditional: 98165, dependent: 788, dependent conditional: 92, dependent unconditional: 696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99432, independent: 98644, independent conditional: 479, independent unconditional: 98165, dependent: 788, dependent conditional: 92, dependent unconditional: 696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 709, independent: 673, independent conditional: 35, independent unconditional: 638, dependent: 36, dependent conditional: 19, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 709, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 36, dependent conditional: 19, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 36, dependent conditional: 19, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 23, independent conditional: 20, independent unconditional: 4, dependent: 65, dependent conditional: 25, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 99432, independent: 97971, independent conditional: 444, independent unconditional: 97527, dependent: 752, dependent conditional: 73, dependent unconditional: 679, unknown: 709, unknown conditional: 54, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 709, Positive cache size: 673, Positive conditional cache size: 35, Positive unconditional cache size: 638, Negative cache size: 36, Negative conditional cache size: 19, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 568, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99432, independent: 98644, independent conditional: 663, independent unconditional: 97981, dependent: 788, dependent conditional: 476, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99432, independent: 98644, independent conditional: 479, independent unconditional: 98165, dependent: 788, dependent conditional: 92, dependent unconditional: 696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99432, independent: 98644, independent conditional: 479, independent unconditional: 98165, dependent: 788, dependent conditional: 92, dependent unconditional: 696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 709, independent: 673, independent conditional: 35, independent unconditional: 638, dependent: 36, dependent conditional: 19, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 709, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 36, dependent conditional: 19, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 36, dependent conditional: 19, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 23, independent conditional: 20, independent unconditional: 4, dependent: 65, dependent conditional: 25, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 99432, independent: 97971, independent conditional: 444, independent unconditional: 97527, dependent: 752, dependent conditional: 73, dependent unconditional: 679, unknown: 709, unknown conditional: 54, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 709, Positive cache size: 673, Positive conditional cache size: 35, Positive unconditional cache size: 638, Negative cache size: 36, Negative conditional cache size: 19, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 568 ], Independence queries for same thread: 165 - PositiveResult [Line: 161]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 220 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 11.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 2219 NumberOfCodeBlocks, 2187 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2371 ConstructedInterpolants, 88 QuantifiedInterpolants, 24203 SizeOfPredicates, 74 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 70/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-03 23:37:48,965 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 [2024-04-03 23:37:49,184 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...