/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 06:11:55,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 06:11:55,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 06:11:55,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 06:11:55,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 06:11:55,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 06:11:55,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 06:11:55,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 06:11:55,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 06:11:55,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 06:11:55,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 06:11:55,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 06:11:55,601 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 06:11:55,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 06:11:55,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 06:11:55,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 06:11:55,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 06:11:55,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 06:11:55,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 06:11:55,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 06:11:55,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 06:11:55,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 06:11:55,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 06:11:55,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 06:11:55,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 06:11:55,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 06:11:55,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 06:11:55,605 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 06:11:55,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 06:11:55,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:11:55,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 06:11:55,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 06:11:55,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 06:11:55,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 06:11:55,606 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 06:11:55,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 06:11:55,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 06:11:55,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 06:11:55,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 06:11:55,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 06:11:55,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 06:11:55,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 06:11:55,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 06:11:55,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 06:11:55,820 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 06:11:55,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-05-07 06:11:56,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 06:11:56,997 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 06:11:56,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-05-07 06:11:57,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e007d741e/329475b569644008ab953c92d0241e12/FLAGa7212fbac [2024-05-07 06:11:57,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e007d741e/329475b569644008ab953c92d0241e12 [2024-05-07 06:11:57,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 06:11:57,037 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 06:11:57,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 06:11:57,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 06:11:57,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 06:11:57,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c247fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57, skipping insertion in model container [2024-05-07 06:11:57,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 06:11:57,187 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2024-05-07 06:11:57,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:11:57,199 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 06:11:57,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2024-05-07 06:11:57,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:11:57,222 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:11:57,222 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:11:57,228 INFO L206 MainTranslator]: Completed translation [2024-05-07 06:11:57,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57 WrapperNode [2024-05-07 06:11:57,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 06:11:57,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 06:11:57,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 06:11:57,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 06:11:57,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,256 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-05-07 06:11:57,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 06:11:57,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 06:11:57,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 06:11:57,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 06:11:57,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 06:11:57,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 06:11:57,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 06:11:57,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 06:11:57,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (1/1) ... [2024-05-07 06:11:57,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:11:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:11:57,309 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) [2024-05-07 06:11:57,317 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 [2024-05-07 06:11:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 06:11:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 06:11:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 06:11:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 06:11:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 06:11:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 06:11:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 06:11:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 06:11:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 06:11:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 06:11:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-07 06:11:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-07 06:11:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 06:11:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 06:11:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 06:11:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 06:11:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 06:11:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 06:11:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 06:11:57,374 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 06:11:57,451 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 06:11:57,453 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 06:11:57,699 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 06:11:57,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 06:11:57,760 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-07 06:11:57,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:11:57 BoogieIcfgContainer [2024-05-07 06:11:57,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 06:11:57,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 06:11:57,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 06:11:57,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 06:11:57,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:11:57" (1/3) ... [2024-05-07 06:11:57,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0ca972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:11:57, skipping insertion in model container [2024-05-07 06:11:57,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:11:57" (2/3) ... [2024-05-07 06:11:57,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0ca972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:11:57, skipping insertion in model container [2024-05-07 06:11:57,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:11:57" (3/3) ... [2024-05-07 06:11:57,768 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-05-07 06:11:57,774 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 06:11:57,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 06:11:57,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 06:11:57,782 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 06:11:57,844 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-07 06:11:57,883 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 06:11:57,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 06:11:57,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:11:57,885 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) [2024-05-07 06:11:57,887 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 [2024-05-07 06:11:57,926 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 06:11:57,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:11:57,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 06:11:57,958 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;@5f569d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 06:11:57,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-07 06:11:58,448 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 106 treesize of output 90 [2024-05-07 06:11:58,460 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:11:58,461 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 95 treesize of output 57 [2024-05-07 06:11:58,499 INFO L85 PathProgramCache]: Analyzing trace with hash 440850748, now seen corresponding path program 1 times [2024-05-07 06:11:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:11:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:11:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:11:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:11:58,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:11:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:11:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:11:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:11:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 06:11:58,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 06:11:59,086 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 61 treesize of output 51 [2024-05-07 06:11:59,092 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:11:59,093 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 46 treesize of output 26 [2024-05-07 06:11:59,112 INFO L85 PathProgramCache]: Analyzing trace with hash 154181502, now seen corresponding path program 1 times [2024-05-07 06:11:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:11:59,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:11:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:11:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:11:59,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:11:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:11:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:11:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:11:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 06:11:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-07 06:11:59,949 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 89 treesize of output 75 [2024-05-07 06:11:59,961 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:11:59,961 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 75 treesize of output 43 [2024-05-07 06:11:59,980 INFO L85 PathProgramCache]: Analyzing trace with hash -229856278, now seen corresponding path program 1 times [2024-05-07 06:11:59,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:11:59,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:11:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:00,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:00,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:00,488 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 78 treesize of output 66 [2024-05-07 06:12:00,494 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:00,495 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 66 treesize of output 40 [2024-05-07 06:12:00,629 INFO L85 PathProgramCache]: Analyzing trace with hash 358425867, now seen corresponding path program 2 times [2024-05-07 06:12:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:00,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:00,927 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 106 treesize of output 90 [2024-05-07 06:12:00,932 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:00,933 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 95 treesize of output 57 [2024-05-07 06:12:00,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1257764385, now seen corresponding path program 1 times [2024-05-07 06:12:00,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:01,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:01,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:01,365 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 61 treesize of output 51 [2024-05-07 06:12:01,371 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:01,372 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 46 treesize of output 26 [2024-05-07 06:12:01,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1239757295, now seen corresponding path program 2 times [2024-05-07 06:12:01,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:01,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:01,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:01,800 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 61 treesize of output 51 [2024-05-07 06:12:01,805 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:01,805 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 46 treesize of output 26 [2024-05-07 06:12:01,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1250216473, now seen corresponding path program 3 times [2024-05-07 06:12:01,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:01,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:02,150 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 61 treesize of output 51 [2024-05-07 06:12:02,155 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:02,155 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 46 treesize of output 26 [2024-05-07 06:12:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1004622231, now seen corresponding path program 4 times [2024-05-07 06:12:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:02,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:02,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:02,503 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 61 treesize of output 51 [2024-05-07 06:12:02,509 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:02,510 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 46 treesize of output 26 [2024-05-07 06:12:02,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1863797475, now seen corresponding path program 5 times [2024-05-07 06:12:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:02,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:02,899 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 106 treesize of output 90 [2024-05-07 06:12:02,905 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:02,905 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 95 treesize of output 57 [2024-05-07 06:12:02,924 INFO L85 PathProgramCache]: Analyzing trace with hash 642804717, now seen corresponding path program 6 times [2024-05-07 06:12:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:02,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:03,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:03,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:03,242 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 89 treesize of output 75 [2024-05-07 06:12:03,247 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:03,248 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 75 treesize of output 43 [2024-05-07 06:12:03,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1773699519, now seen corresponding path program 3 times [2024-05-07 06:12:03,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:03,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:03,590 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 78 treesize of output 66 [2024-05-07 06:12:03,594 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:03,595 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 66 treesize of output 40 [2024-05-07 06:12:03,645 INFO L85 PathProgramCache]: Analyzing trace with hash 849890254, now seen corresponding path program 4 times [2024-05-07 06:12:03,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:03,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:03,866 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 78 treesize of output 66 [2024-05-07 06:12:03,871 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:03,871 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 66 treesize of output 40 [2024-05-07 06:12:05,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1117088227, now seen corresponding path program 7 times [2024-05-07 06:12:05,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:06,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:06,247 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 78 treesize of output 66 [2024-05-07 06:12:06,252 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:06,252 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 66 treesize of output 40 [2024-05-07 06:12:06,467 INFO L85 PathProgramCache]: Analyzing trace with hash 680518143, now seen corresponding path program 8 times [2024-05-07 06:12:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:06,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:06,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:12:06,738 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 78 treesize of output 66 [2024-05-07 06:12:06,744 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:06,744 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 66 treesize of output 40 [2024-05-07 06:12:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1774298156, now seen corresponding path program 9 times [2024-05-07 06:12:06,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:06,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-07 06:12:06,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:06,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-07 06:12:07,174 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 78 treesize of output 66 [2024-05-07 06:12:07,179 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:07,179 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 66 treesize of output 40 [2024-05-07 06:12:09,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1965969463, now seen corresponding path program 10 times [2024-05-07 06:12:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:09,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:12:09,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:09,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:12:09,692 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 78 treesize of output 66 [2024-05-07 06:12:09,698 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:09,699 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 66 treesize of output 40 [2024-05-07 06:12:11,986 INFO L85 PathProgramCache]: Analyzing trace with hash -126047627, now seen corresponding path program 11 times [2024-05-07 06:12:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:11,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-07 06:12:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:12,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-07 06:12:12,321 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 78 treesize of output 66 [2024-05-07 06:12:12,326 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:12,326 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 66 treesize of output 40 [2024-05-07 06:12:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash -892141432, now seen corresponding path program 12 times [2024-05-07 06:12:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:12:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:12,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:12:12,655 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 78 treesize of output 66 [2024-05-07 06:12:12,660 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:12,660 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 66 treesize of output 40 [2024-05-07 06:12:14,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2053826830, now seen corresponding path program 13 times [2024-05-07 06:12:14,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-07 06:12:14,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:14,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-07 06:12:14,978 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 78 treesize of output 66 [2024-05-07 06:12:14,982 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:14,983 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 66 treesize of output 40 [2024-05-07 06:12:17,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1147274773, now seen corresponding path program 14 times [2024-05-07 06:12:17,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:17,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:12:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:18,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 06:12:18,119 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 06:12:18,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:12:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1283961915, now seen corresponding path program 1 times [2024-05-07 06:12:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:12:18,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105694826] [2024-05-07 06:12:18,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:18,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-07 06:12:18,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:12:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105694826] [2024-05-07 06:12:18,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105694826] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:12:18,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972947303] [2024-05-07 06:12:18,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:18,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:18,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:12:18,386 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) [2024-05-07 06:12:18,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 06:12:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:18,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 06:12:18,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:12:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-07 06:12:18,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:12:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-07 06:12:19,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972947303] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:12:19,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:12:19,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-07 06:12:19,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484501560] [2024-05-07 06:12:19,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:12:19,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-07 06:12:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:12:19,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-07 06:12:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-07 06:12:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:19,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:12:19,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 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) [2024-05-07 06:12:19,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:19,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:19,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 06:12:19,603 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,SelfDestructingSolverStorable40 [2024-05-07 06:12:19,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 06:12:19,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:12:19,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1272527833, now seen corresponding path program 2 times [2024-05-07 06:12:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:12:19,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014308696] [2024-05-07 06:12:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-07 06:12:19,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:12:19,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014308696] [2024-05-07 06:12:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014308696] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:12:19,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059612149] [2024-05-07 06:12:19,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 06:12:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:12:19,831 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) [2024-05-07 06:12:19,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 06:12:19,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-07 06:12:19,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:12:19,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-07 06:12:20,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:12:20,024 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 [2024-05-07 06:12:20,045 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-07 06:12:20,045 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 14 treesize of output 13 [2024-05-07 06:12:20,069 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-07 06:12:20,070 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 18 treesize of output 17 [2024-05-07 06:12:20,195 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:20,195 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 15 treesize of output 15 [2024-05-07 06:12:20,322 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 16 treesize of output 11 [2024-05-07 06:12:20,352 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 15 treesize of output 7 [2024-05-07 06:12:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-05-07 06:12:20,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 06:12:20,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059612149] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:12:20,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 06:12:20,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [15] total 30 [2024-05-07 06:12:20,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037346144] [2024-05-07 06:12:20,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:12:20,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-07 06:12:20,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:12:20,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-07 06:12:20,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2024-05-07 06:12:20,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:20,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:12:20,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 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) [2024-05-07 06:12:20,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:20,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:12:28,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 06:12:29,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:29,159 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 06:12:29,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:12:29,160 INFO L85 PathProgramCache]: Analyzing trace with hash -985301737, now seen corresponding path program 3 times [2024-05-07 06:12:29,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:12:29,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066217916] [2024-05-07 06:12:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-07 06:12:29,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:12:29,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066217916] [2024-05-07 06:12:29,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066217916] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:12:29,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185640454] [2024-05-07 06:12:29,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 06:12:29,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:29,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:12:29,414 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) [2024-05-07 06:12:29,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 06:12:29,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-05-07 06:12:29,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:12:29,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-07 06:12:29,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:12:29,576 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 [2024-05-07 06:12:29,595 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-07 06:12:29,597 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 14 treesize of output 13 [2024-05-07 06:12:29,626 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-07 06:12:29,626 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 18 treesize of output 17 [2024-05-07 06:12:29,845 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 06:12:29,845 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 15 treesize of output 15 [2024-05-07 06:12:30,054 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 16 treesize of output 11 [2024-05-07 06:12:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-07 06:12:30,092 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 16 treesize of output 11 [2024-05-07 06:12:30,113 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 15 treesize of output 7 [2024-05-07 06:12:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-05-07 06:12:30,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 06:12:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185640454] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:12:30,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 06:12:30,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [15] total 32 [2024-05-07 06:12:30,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761221467] [2024-05-07 06:12:30,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:12:30,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-07 06:12:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:12:30,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-07 06:12:30,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=915, Unknown=0, NotChecked=0, Total=992 [2024-05-07 06:12:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:30,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:12:30,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.631578947368421) internal successors, (145), 19 states have internal predecessors, (145), 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) [2024-05-07 06:12:30,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:30,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:12:30,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:12:38,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:12:38,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 06:12:38,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:38,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 06:12:38,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:12:38,460 INFO L85 PathProgramCache]: Analyzing trace with hash -536145224, now seen corresponding path program 4 times [2024-05-07 06:12:38,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:12:38,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105070765] [2024-05-07 06:12:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-07 06:12:38,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:12:38,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105070765] [2024-05-07 06:12:38,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105070765] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:12:38,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067225248] [2024-05-07 06:12:38,633 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 06:12:38,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:38,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:12:38,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 06:12:38,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 06:12:38,881 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 06:12:38,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:12:38,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 06:12:38,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:12:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-07 06:12:39,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:12:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-07 06:12:39,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067225248] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:12:39,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:12:39,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2024-05-07 06:12:39,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731818055] [2024-05-07 06:12:39,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:12:39,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-07 06:12:39,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:12:39,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-07 06:12:39,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2024-05-07 06:12:39,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:39,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:12:39,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.13888888888889) internal successors, (365), 36 states have internal predecessors, (365), 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) [2024-05-07 06:12:39,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:39,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:12:39,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:12:39,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:12:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:12:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 06:12:50,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 06:12:50,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-05-07 06:12:50,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 06:12:50,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:12:50,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1146515239, now seen corresponding path program 5 times [2024-05-07 06:12:50,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:12:50,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412131060] [2024-05-07 06:12:50,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:12:50,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:12:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:12:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:12:50,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:12:50,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412131060] [2024-05-07 06:12:50,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412131060] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:12:50,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003103442] [2024-05-07 06:12:50,642 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 06:12:50,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:12:50,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:12:50,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 06:12:50,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 06:12:50,840 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-07 06:12:50,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:12:50,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 06:12:50,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:12:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 35 proven. 40 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-07 06:12:51,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:12:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-07 06:12:51,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003103442] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:12:51,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:12:51,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 8] total 34 [2024-05-07 06:12:51,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134537458] [2024-05-07 06:12:51,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:12:51,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-07 06:12:51,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:12:51,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-07 06:12:51,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1005, Unknown=0, NotChecked=0, Total=1122 [2024-05-07 06:12:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:12:51,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:12:51,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.529411764705882) internal successors, (358), 34 states have internal predecessors, (358), 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) [2024-05-07 06:12:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:12:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:12:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:12:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 06:12:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:13:33,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:13:33,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:13:33,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:13:33,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 06:13:33,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-07 06:13:33,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-07 06:13:33,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-05-07 06:13:33,782 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 06:13:33,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:13:33,782 INFO L85 PathProgramCache]: Analyzing trace with hash -677451755, now seen corresponding path program 6 times [2024-05-07 06:13:33,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:13:33,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163403422] [2024-05-07 06:13:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:13:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:13:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:13:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 184 proven. 36 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-05-07 06:13:34,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:13:34,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163403422] [2024-05-07 06:13:34,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163403422] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:13:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571501306] [2024-05-07 06:13:34,094 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 06:13:34,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:13:34,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:13:34,095 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 06:13:34,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 06:13:34,271 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-05-07 06:13:34,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:13:34,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 06:13:34,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:13:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-05-07 06:13:34,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 06:13:34,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571501306] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:13:34,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 06:13:34,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2024-05-07 06:13:34,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728011086] [2024-05-07 06:13:34,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:13:34,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 06:13:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:13:34,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 06:13:34,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-05-07 06:13:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:13:34,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:13:34,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 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) [2024-05-07 06:13:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 06:13:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 06:13:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:13:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 06:13:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-07 06:13:34,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.