/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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-send-receive.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 22:46:34,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 22:46:34,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 22:46:34,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 22:46:34,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 22:46:34,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 22:46:34,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 22:46:34,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 22:46:34,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 22:46:34,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 22:46:34,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 22:46:34,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 22:46:34,660 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 22:46:34,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 22:46:34,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 22:46:34,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 22:46:34,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 22:46:34,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 22:46:34,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 22:46:34,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 22:46:34,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 22:46:34,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 22:46:34,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 22:46:34,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 22:46:34,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 22:46:34,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 22:46:34,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 22:46:34,664 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 22:46:34,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 22:46:34,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 22:46:34,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 22:46:34,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 22:46:34,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 22:46:34,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 22:46:34,666 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 22:46:34,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 22:46:34,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 22:46:34,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 22:46:34,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 22:46:34,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 22:46:34,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 22:46:34,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 22:46:34,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 22:46:34,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 22:46:34,930 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 22:46:34,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-05-06 22:46:35,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 22:46:36,013 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 22:46:36,014 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-05-06 22:46:36,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/53c729fd5/37143e68dd5b47f0b117f42a8655225c/FLAGfb86dd082 [2024-05-06 22:46:36,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/53c729fd5/37143e68dd5b47f0b117f42a8655225c [2024-05-06 22:46:36,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 22:46:36,040 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 22:46:36,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 22:46:36,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 22:46:36,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 22:46:36,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6937d556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36, skipping insertion in model container [2024-05-06 22:46:36,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 22:46:36,215 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-send-receive.wvr.c[3107,3120] [2024-05-06 22:46:36,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 22:46:36,229 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 22:46:36,254 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-send-receive.wvr.c[3107,3120] [2024-05-06 22:46:36,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 22:46:36,264 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 22:46:36,264 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 22:46:36,271 INFO L206 MainTranslator]: Completed translation [2024-05-06 22:46:36,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36 WrapperNode [2024-05-06 22:46:36,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 22:46:36,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 22:46:36,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 22:46:36,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 22:46:36,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,302 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 164 [2024-05-06 22:46:36,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 22:46:36,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 22:46:36,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 22:46:36,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 22:46:36,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 22:46:36,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 22:46:36,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 22:46:36,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 22:46:36,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (1/1) ... [2024-05-06 22:46:36,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 22:46:36,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:36,386 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) [2024-05-06 22:46:36,408 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 [2024-05-06 22:46:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 22:46:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 22:46:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 22:46:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 22:46:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 22:46:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 22:46:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 22:46:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 22:46:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 22:46:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 22:46:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 22:46:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 22:46:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 22:46:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 22:46:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 22:46:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 22:46:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 22:46:36,429 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 22:46:36,536 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 22:46:36,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 22:46:36,836 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 22:46:36,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 22:46:36,882 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-06 22:46:36,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:46:36 BoogieIcfgContainer [2024-05-06 22:46:36,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 22:46:36,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 22:46:36,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 22:46:36,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 22:46:36,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 10:46:36" (1/3) ... [2024-05-06 22:46:36,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f5da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:46:36, skipping insertion in model container [2024-05-06 22:46:36,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:46:36" (2/3) ... [2024-05-06 22:46:36,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f5da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:46:36, skipping insertion in model container [2024-05-06 22:46:36,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:46:36" (3/3) ... [2024-05-06 22:46:36,890 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-05-06 22:46:36,895 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 22:46:36,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 22:46:36,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 22:46:36,903 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 22:46:36,953 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-06 22:46:36,994 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 22:46:36,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 22:46:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:36,997 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) [2024-05-06 22:46:37,016 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 [2024-05-06 22:46:37,031 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 22:46:37,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:37,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 22:46:37,051 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;@3d33d474, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 22:46:37,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 22:46:37,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:37,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:37,252 INFO L85 PathProgramCache]: Analyzing trace with hash 823111357, now seen corresponding path program 1 times [2024-05-06 22:46:37,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:37,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067640786] [2024-05-06 22:46:37,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:37,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:46:37,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:37,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067640786] [2024-05-06 22:46:37,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067640786] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:46:37,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 22:46:37,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 22:46:37,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122875656] [2024-05-06 22:46:37,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:46:37,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 22:46:37,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:37,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 22:46:37,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 22:46:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:37,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 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) [2024-05-06 22:46:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 22:46:37,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:37,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:37,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1594024528, now seen corresponding path program 1 times [2024-05-06 22:46:37,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:37,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513145705] [2024-05-06 22:46:37,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:37,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:46:37,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:37,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513145705] [2024-05-06 22:46:37,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513145705] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:46:37,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 22:46:37,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-06 22:46:37,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144609385] [2024-05-06 22:46:37,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:46:37,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-06 22:46:37,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:37,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 22:46:37,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 22:46:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:37,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-05-06 22:46:37,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:37,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 22:46:37,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:37,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:37,849 INFO L85 PathProgramCache]: Analyzing trace with hash 598119619, now seen corresponding path program 1 times [2024-05-06 22:46:37,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095449181] [2024-05-06 22:46:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:46:38,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:38,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095449181] [2024-05-06 22:46:38,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095449181] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:46:38,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 22:46:38,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 22:46:38,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070870666] [2024-05-06 22:46:38,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:46:38,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 22:46:38,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:38,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 22:46:38,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-06 22:46:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:38,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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) [2024-05-06 22:46:38,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:38,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-06 22:46:38,231 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:38,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:38,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1502204129, now seen corresponding path program 1 times [2024-05-06 22:46:38,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:38,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311825676] [2024-05-06 22:46:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:46:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311825676] [2024-05-06 22:46:38,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311825676] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:46:38,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 22:46:38,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-06 22:46:38,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57400394] [2024-05-06 22:46:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:46:38,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 22:46:38,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:38,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 22:46:38,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-06 22:46:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:38,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2024-05-06 22:46:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:38,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-06 22:46:38,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:38,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1237801094, now seen corresponding path program 2 times [2024-05-06 22:46:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:38,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568382755] [2024-05-06 22:46:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:38,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-06 22:46:38,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:38,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568382755] [2024-05-06 22:46:38,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568382755] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:46:38,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703847966] [2024-05-06 22:46:38,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:46:38,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:38,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:38,786 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) [2024-05-06 22:46:38,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 22:46:38,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:46:38,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:46:38,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 22:46:38,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:46:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-06 22:46:39,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:46:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-06 22:46:39,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703847966] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:46:39,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:46:39,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2024-05-06 22:46:39,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931138140] [2024-05-06 22:46:39,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:46:39,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-06 22:46:39,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:39,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-06 22:46:39,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-05-06 22:46:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:39,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:39,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 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) [2024-05-06 22:46:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:40,293 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 11 treesize of output 3 [2024-05-06 22:46:45,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1959291164, now seen corresponding path program 1 times [2024-05-06 22:46:45,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:45,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:45,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:46:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:45,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 22:46:45,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-06 22:46:45,739 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:45,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:45,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1251465784, now seen corresponding path program 3 times [2024-05-06 22:46:45,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:45,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987489914] [2024-05-06 22:46:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-06 22:46:45,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:45,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987489914] [2024-05-06 22:46:45,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987489914] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:46:45,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575596197] [2024-05-06 22:46:45,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 22:46:45,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:45,933 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) [2024-05-06 22:46:45,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 22:46:46,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-06 22:46:46,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:46:46,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-06 22:46:46,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:46:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-06 22:46:46,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:46:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-06 22:46:46,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575596197] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:46:46,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:46:46,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-06 22:46:46,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077678364] [2024-05-06 22:46:46,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:46:46,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-06 22:46:46,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:46,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-06 22:46:46,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-06 22:46:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:46,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:46,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.210526315789474) internal successors, (175), 19 states have internal predecessors, (175), 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) [2024-05-06 22:46:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:47,095 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 11 treesize of output 3 [2024-05-06 22:46:49,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1039063872, now seen corresponding path program 2 times [2024-05-06 22:46:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:49,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:49,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:46:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:49,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:49,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 22:46:49,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:49,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:49,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:49,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1324483748, now seen corresponding path program 4 times [2024-05-06 22:46:49,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:49,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683075974] [2024-05-06 22:46:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:49,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-06 22:46:49,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:49,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683075974] [2024-05-06 22:46:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683075974] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:46:49,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875328266] [2024-05-06 22:46:49,887 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 22:46:49,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:49,888 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) [2024-05-06 22:46:49,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 22:46:49,975 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 22:46:49,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:46:49,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-06 22:46:49,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:46:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-06 22:46:50,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:46:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-06 22:46:50,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875328266] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:46:50,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:46:50,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-05-06 22:46:50,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115931206] [2024-05-06 22:46:50,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:46:50,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-06 22:46:50,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:50,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-06 22:46:50,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2024-05-06 22:46:50,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:50,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:50,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.678571428571429) internal successors, (243), 28 states have internal predecessors, (243), 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) [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:50,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:51,273 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 11 treesize of output 3 [2024-05-06 22:46:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -735909532, now seen corresponding path program 3 times [2024-05-06 22:46:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:51,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:51,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:46:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:51,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:46:51,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 22:46:51,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:51,905 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:51,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:51,905 INFO L85 PathProgramCache]: Analyzing trace with hash -311248768, now seen corresponding path program 5 times [2024-05-06 22:46:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:51,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783372709] [2024-05-06 22:46:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 22:46:52,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:52,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783372709] [2024-05-06 22:46:52,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783372709] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:46:52,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629339756] [2024-05-06 22:46:52,248 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 22:46:52,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:52,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:52,249 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) [2024-05-06 22:46:52,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 22:46:52,324 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:46:52,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:46:52,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-06 22:46:52,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:46:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-06 22:46:52,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 22:46:52,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629339756] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:46:52,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 22:46:52,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-05-06 22:46:52,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067537029] [2024-05-06 22:46:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:46:52,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 22:46:52,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:52,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 22:46:52,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-06 22:46:52,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:52,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:52,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2024-05-06 22:46:52,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:52,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:52,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:52,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:52,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:52,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:52,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:46:52,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:52,905 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 11 treesize of output 3 [2024-05-06 22:46:55,188 INFO L85 PathProgramCache]: Analyzing trace with hash -735909532, now seen corresponding path program 4 times [2024-05-06 22:46:55,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:55,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:46:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:46:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:55,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 22:46:55,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-05-06 22:46:55,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:55,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:55,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1452571484, now seen corresponding path program 1 times [2024-05-06 22:46:55,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:55,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873495780] [2024-05-06 22:46:55,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 50 proven. 101 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-06 22:46:55,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:46:55,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873495780] [2024-05-06 22:46:55,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873495780] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:46:55,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501964403] [2024-05-06 22:46:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:55,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:46:55,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:46:55,827 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) [2024-05-06 22:46:55,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 22:46:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:46:55,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-06 22:46:55,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:46:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-06 22:46:56,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:46:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 88 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-06 22:46:56,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501964403] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:46:56,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:46:56,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-05-06 22:46:56,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498664356] [2024-05-06 22:46:56,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:46:56,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-06 22:46:56,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:46:56,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-06 22:46:56,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2024-05-06 22:46:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:56,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:46:56,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.027027027027026) internal successors, (334), 37 states have internal predecessors, (334), 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) [2024-05-06 22:46:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:56,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:56,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:56,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:46:56,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:56,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:57,564 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 11 treesize of output 3 [2024-05-06 22:46:59,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1912040568, now seen corresponding path program 5 times [2024-05-06 22:46:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:59,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:46:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:46:59,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:46:59,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:46:59,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 22:46:59,828 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,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-05-06 22:46:59,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:46:59,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:46:59,829 INFO L85 PathProgramCache]: Analyzing trace with hash -608668032, now seen corresponding path program 2 times [2024-05-06 22:46:59,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:46:59,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010546464] [2024-05-06 22:46:59,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:46:59,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:46:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 92 proven. 94 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 22:47:00,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:00,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010546464] [2024-05-06 22:47:00,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010546464] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:00,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476225638] [2024-05-06 22:47:00,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:47:00,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:00,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:00,220 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) [2024-05-06 22:47:00,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 22:47:00,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:47:00,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:00,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-06 22:47:00,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 134 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 22:47:00,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 50 proven. 136 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 22:47:01,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476225638] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:01,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:01,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-05-06 22:47:01,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670025155] [2024-05-06 22:47:01,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:01,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-06 22:47:01,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-06 22:47:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2024-05-06 22:47:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:01,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:01,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.282608695652174) internal successors, (381), 46 states have internal predecessors, (381), 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) [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:02,443 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 11 treesize of output 3 [2024-05-06 22:47:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash -565978708, now seen corresponding path program 6 times [2024-05-06 22:47:04,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:04,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:47:04,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:47:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:47:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:04,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:04,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-06 22:47:04,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:04,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:04,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2142171740, now seen corresponding path program 3 times [2024-05-06 22:47:04,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:04,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933717799] [2024-05-06 22:47:04,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:04,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 48 proven. 54 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-05-06 22:47:05,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933717799] [2024-05-06 22:47:05,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933717799] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801069858] [2024-05-06 22:47:05,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 22:47:05,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:05,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:05,209 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:05,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 22:47:05,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-06 22:47:05,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:05,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-06 22:47:05,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-05-06 22:47:05,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-05-06 22:47:05,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801069858] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:05,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:05,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2024-05-06 22:47:05,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549472741] [2024-05-06 22:47:05,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:05,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-06 22:47:05,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:05,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-06 22:47:05,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-05-06 22:47:05,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:05,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:05,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 12 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:05,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:06,389 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 11 treesize of output 3 [2024-05-06 22:47:06,657 INFO L85 PathProgramCache]: Analyzing trace with hash -565978708, now seen corresponding path program 7 times [2024-05-06 22:47:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:06,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:47:06,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:47:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 22:47:06,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:07,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-06 22:47:07,034 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:07,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:07,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1272559252, now seen corresponding path program 6 times [2024-05-06 22:47:07,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:07,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766995269] [2024-05-06 22:47:07,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:07,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:47:08,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766995269] [2024-05-06 22:47:08,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766995269] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456500372] [2024-05-06 22:47:08,689 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 22:47:08,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:08,691 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:08,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 22:47:08,801 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-05-06 22:47:08,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:08,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-06 22:47:08,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-06 22:47:09,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:09,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:47:09,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2024-05-06 22:47:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-06 22:47:09,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456500372] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:09,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:09,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9, 9] total 38 [2024-05-06 22:47:09,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023051240] [2024-05-06 22:47:09,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:09,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-06 22:47:09,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:09,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-06 22:47:09,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1163, Unknown=0, NotChecked=0, Total=1406 [2024-05-06 22:47:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:09,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:09,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.657894736842104) internal successors, (329), 38 states have internal predecessors, (329), 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) [2024-05-06 22:47:09,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:09,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:09,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:09,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:09,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 22:47:09,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:09,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:09,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:09,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:09,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:09,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 22:47:09,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:11,521 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 13 treesize of output 5 [2024-05-06 22:47:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1868827743, now seen corresponding path program 1 times [2024-05-06 22:47:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:47:13,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:47:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:47:13,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 22:47:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:13,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:14,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:14,138 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:14,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:14,138 INFO L85 PathProgramCache]: Analyzing trace with hash -711552761, now seen corresponding path program 4 times [2024-05-06 22:47:14,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:14,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107695999] [2024-05-06 22:47:14,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:47:16,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:16,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107695999] [2024-05-06 22:47:16,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107695999] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:16,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895552106] [2024-05-06 22:47:16,421 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 22:47:16,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:16,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:16,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:16,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-06 22:47:16,539 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 22:47:16,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:16,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-06 22:47:16,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-06 22:47:16,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:17,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:47:17,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2024-05-06 22:47:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-06 22:47:17,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895552106] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:17,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:17,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10, 10] total 42 [2024-05-06 22:47:17,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076293058] [2024-05-06 22:47:17,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:17,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-06 22:47:17,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:17,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-06 22:47:17,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1481, Unknown=0, NotChecked=0, Total=1722 [2024-05-06 22:47:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:17,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:17,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 8.80952380952381) internal successors, (370), 42 states have internal predecessors, (370), 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) [2024-05-06 22:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:17,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 22:47:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-06 22:47:20,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:20,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-05-06 22:47:20,492 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:20,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:20,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1775534566, now seen corresponding path program 5 times [2024-05-06 22:47:20,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:20,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748894319] [2024-05-06 22:47:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:47:23,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:23,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748894319] [2024-05-06 22:47:23,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748894319] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:23,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172120369] [2024-05-06 22:47:23,273 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 22:47:23,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:23,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:23,275 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:23,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-06 22:47:23,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-06 22:47:23,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:23,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-06 22:47:23,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 4 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:47:24,273 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:24,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:47:24,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114 [2024-05-06 22:47:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-06 22:47:25,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172120369] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:25,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:25,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 23, 13] total 59 [2024-05-06 22:47:25,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183617036] [2024-05-06 22:47:25,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:25,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-05-06 22:47:25,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:25,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-05-06 22:47:25,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=2945, Unknown=0, NotChecked=0, Total=3422 [2024-05-06 22:47:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:25,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:25,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.305084745762712) internal successors, (431), 59 states have internal predecessors, (431), 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) [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 22:47:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-06 22:47:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:47:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:47:29,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:29,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:29,813 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:29,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash -155854931, now seen corresponding path program 6 times [2024-05-06 22:47:29,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:29,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719302965] [2024-05-06 22:47:29,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:29,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 273 proven. 195 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-06 22:47:30,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:30,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719302965] [2024-05-06 22:47:30,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719302965] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:30,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407748231] [2024-05-06 22:47:30,453 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 22:47:30,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:30,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:30,454 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-06 22:47:30,701 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-06 22:47:30,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:30,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-06 22:47:30,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 282 proven. 164 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-06 22:47:31,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 256 proven. 190 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-06 22:47:32,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407748231] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:32,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:32,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 26] total 79 [2024-05-06 22:47:32,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075529200] [2024-05-06 22:47:32,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:32,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-06 22:47:32,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:32,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-06 22:47:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=5480, Unknown=0, NotChecked=0, Total=6162 [2024-05-06 22:47:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:32,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:32,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 7.6455696202531644) internal successors, (604), 79 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:47:32,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:32,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:32,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:32,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:32,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:47:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:47:35,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:35,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-05-06 22:47:35,727 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:35,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:35,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2051138769, now seen corresponding path program 7 times [2024-05-06 22:47:35,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:35,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393769562] [2024-05-06 22:47:35,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:35,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 223 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:47:36,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393769562] [2024-05-06 22:47:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393769562] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882087209] [2024-05-06 22:47:36,457 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-06 22:47:36,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:36,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:36,458 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:36,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-06 22:47:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:36,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-06 22:47:36,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 265 proven. 259 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:47:37,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 283 proven. 241 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:47:39,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882087209] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:39,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:39,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 30] total 82 [2024-05-06 22:47:39,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671125565] [2024-05-06 22:47:39,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:39,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-05-06 22:47:39,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:39,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-05-06 22:47:39,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1158, Invalid=5484, Unknown=0, NotChecked=0, Total=6642 [2024-05-06 22:47:39,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:39,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:39,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.987804878048781) internal successors, (655), 82 states have internal predecessors, (655), 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) [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:39,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:47:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:47:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:47:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:47:41,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-06 22:47:41,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-06 22:47:41,625 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:47:41,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:47:41,625 INFO L85 PathProgramCache]: Analyzing trace with hash 84970997, now seen corresponding path program 8 times [2024-05-06 22:47:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:47:41,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058621231] [2024-05-06 22:47:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:47:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:47:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:47:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 157 proven. 426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:47:48,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:47:48,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058621231] [2024-05-06 22:47:48,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058621231] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:47:48,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199179661] [2024-05-06 22:47:48,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:47:48,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:47:48,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:47:48,526 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:47:48,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-06 22:47:48,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:47:48,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:47:48,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 97 conjunts are in the unsatisfiable core [2024-05-06 22:47:48,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:47:52,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:47:52,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 25 [2024-05-06 22:47:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 3 proven. 580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:47:52,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:47:55,310 INFO L349 Elim1Store]: treesize reduction 150, result has 57.0 percent of original size [2024-05-06 22:47:55,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 250 [2024-05-06 22:47:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 21 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:47:58,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199179661] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:47:58,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:47:58,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 43, 43] total 141 [2024-05-06 22:47:58,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908968886] [2024-05-06 22:47:58,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:47:58,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-05-06 22:47:58,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:47:58,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-05-06 22:47:58,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2279, Invalid=17461, Unknown=0, NotChecked=0, Total=19740 [2024-05-06 22:47:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:58,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:47:58,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 5.361702127659575) internal successors, (756), 141 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:47:58,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:47:58,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:47:58,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:47:58,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:48:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:48:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:48:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-05-06 22:48:28,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-06 22:48:28,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-06 22:48:28,337 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:48:28,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:48:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash 671616415, now seen corresponding path program 9 times [2024-05-06 22:48:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:48:28,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770920696] [2024-05-06 22:48:28,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:48:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:48:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:48:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 459 proven. 408 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:48:29,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:48:29,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770920696] [2024-05-06 22:48:29,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770920696] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:48:29,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012697744] [2024-05-06 22:48:29,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 22:48:29,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:48:29,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:48:29,258 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:48:29,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-06 22:48:29,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-05-06 22:48:29,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:48:29,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-06 22:48:29,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:48:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 459 proven. 408 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:48:31,091 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:48:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 480 proven. 387 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:48:32,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012697744] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:48:32,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:48:32,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 36] total 101 [2024-05-06 22:48:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783734972] [2024-05-06 22:48:32,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:48:32,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-06 22:48:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:48:32,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-06 22:48:32,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1781, Invalid=8319, Unknown=0, NotChecked=0, Total=10100 [2024-05-06 22:48:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:32,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:48:32,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 7.891089108910891) internal successors, (797), 101 states have internal predecessors, (797), 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) [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2024-05-06 22:48:32,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:48:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:48:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:48:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-05-06 22:48:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 22:48:36,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-06 22:48:37,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:48:37,128 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:48:37,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:48:37,128 INFO L85 PathProgramCache]: Analyzing trace with hash 349737155, now seen corresponding path program 10 times [2024-05-06 22:48:37,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:48:37,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625062630] [2024-05-06 22:48:37,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:48:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:48:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:48:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 214 proven. 728 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:48:42,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:48:42,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625062630] [2024-05-06 22:48:42,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625062630] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:48:42,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867907976] [2024-05-06 22:48:42,926 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 22:48:42,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:48:42,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:48:42,927 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:48:42,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-06 22:48:43,145 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 22:48:43,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:48:43,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 68 conjunts are in the unsatisfiable core [2024-05-06 22:48:43,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:48:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 87 proven. 485 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-06 22:48:45,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:48:48,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:48:48,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 279 treesize of output 690 [2024-05-06 22:48:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 21 proven. 551 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-06 22:48:50,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867907976] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:48:50,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:48:50,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 22, 22] total 96 [2024-05-06 22:48:50,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44358808] [2024-05-06 22:48:50,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:48:50,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-06 22:48:50,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:48:50,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-06 22:48:50,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=8446, Unknown=0, NotChecked=0, Total=9120 [2024-05-06 22:48:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:50,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:48:50,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 7.635416666666667) internal successors, (733), 96 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:48:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:48:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:48:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:48:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 22:48:50,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:49:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-06 22:49:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-05-06 22:49:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 22:49:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2024-05-06 22:49:22,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-06 22:49:22,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-05-06 22:49:22,756 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 22:49:22,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:49:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash 324403766, now seen corresponding path program 11 times [2024-05-06 22:49:22,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:49:22,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433897106] [2024-05-06 22:49:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:49:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:49:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:49:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 295 proven. 859 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:49:31,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:49:31,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433897106] [2024-05-06 22:49:31,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433897106] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:49:31,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537361186] [2024-05-06 22:49:31,942 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 22:49:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:49:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:49:31,943 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:49:31,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-06 22:49:32,204 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-05-06 22:49:32,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:49:32,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 127 conjunts are in the unsatisfiable core [2024-05-06 22:49:32,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:49:41,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 22:49:41,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 22:49:41,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 184 treesize of output 480 [2024-05-06 22:49:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 21 proven. 1133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:49:42,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:49:58,253 WARN L293 SmtUtils]: Spent 9.22s on a formula simplification. DAG size of input: 935 DAG size of output: 875 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-06 22:49:58,254 INFO L349 Elim1Store]: treesize reduction 144, result has 94.3 percent of original size [2024-05-06 22:49:58,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 27 select indices, 27 select index equivalence classes, 0 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 351 case distinctions, treesize of input 325 treesize of output 2463 Received shutdown request... [2024-05-06 23:00:26,059 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-06 23:00:26,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-06 23:00:26,067 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 23:00:26,067 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 23:00:26,076 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 23:00:26,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-06 23:00:26,267 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 332 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-145-12-5-10-3-9-3-9-3-9-3-8-3-8-2-5-3-6-3-5-2-6-2-6-1 context. [2024-05-06 23:00:26,269 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-06 23:00:26,269 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-06 23:00:26,269 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-06 23:00:26,273 INFO L448 BasicCegarLoop]: Path program histogram: [11, 7, 6, 1, 1, 1, 1] [2024-05-06 23:00:26,275 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 23:00:26,275 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 23:00:26,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 11:00:26 BasicIcfg [2024-05-06 23:00:26,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 23:00:26,277 INFO L158 Benchmark]: Toolchain (without parser) took 830237.43ms. Allocated memory was 268.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 201.0MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-05-06 23:00:26,277 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory was 138.4MB in the beginning and 138.3MB in the end (delta: 66.2kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 23:00:26,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.61ms. Allocated memory is still 268.4MB. Free memory was 200.8MB in the beginning and 188.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-06 23:00:26,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.37ms. Allocated memory is still 268.4MB. Free memory was 188.9MB in the beginning and 186.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 23:00:26,278 INFO L158 Benchmark]: Boogie Preprocessor took 40.59ms. Allocated memory is still 268.4MB. Free memory was 186.9MB in the beginning and 185.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 23:00:26,278 INFO L158 Benchmark]: RCFGBuilder took 539.31ms. Allocated memory is still 268.4MB. Free memory was 185.1MB in the beginning and 228.4MB in the end (delta: -43.4MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-05-06 23:00:26,278 INFO L158 Benchmark]: TraceAbstraction took 829392.21ms. Allocated memory was 268.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 227.4MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-05-06 23:00:26,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory was 138.4MB in the beginning and 138.3MB in the end (delta: 66.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.61ms. Allocated memory is still 268.4MB. Free memory was 200.8MB in the beginning and 188.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.37ms. Allocated memory is still 268.4MB. Free memory was 188.9MB in the beginning and 186.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.59ms. Allocated memory is still 268.4MB. Free memory was 186.9MB in the beginning and 185.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 539.31ms. Allocated memory is still 268.4MB. Free memory was 185.1MB in the beginning and 228.4MB in the end (delta: -43.4MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 829392.21ms. Allocated memory was 268.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 227.4MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1395838, independent: 1360489, independent conditional: 1359404, independent unconditional: 1085, dependent: 35349, dependent conditional: 35349, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1366179, independent: 1360489, independent conditional: 1359404, independent unconditional: 1085, dependent: 5690, dependent conditional: 5690, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1366179, independent: 1360489, independent conditional: 1359404, independent unconditional: 1085, dependent: 5690, dependent conditional: 5690, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1366179, independent: 1360489, independent conditional: 1359404, independent unconditional: 1085, dependent: 5690, dependent conditional: 5690, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1418629, independent: 1360489, independent conditional: 602526, independent unconditional: 757963, dependent: 58140, dependent conditional: 45794, dependent unconditional: 12346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1418629, independent: 1360489, independent conditional: 485476, independent unconditional: 875013, dependent: 58140, dependent conditional: 29631, dependent unconditional: 28509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1418629, independent: 1360489, independent conditional: 485476, independent unconditional: 875013, dependent: 58140, dependent conditional: 29631, dependent unconditional: 28509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 895, independent: 698, independent conditional: 125, independent unconditional: 573, dependent: 197, dependent conditional: 192, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 895, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 270, independent: 73, independent conditional: 71, independent unconditional: 2, dependent: 197, dependent conditional: 192, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 270, independent: 73, independent conditional: 71, independent unconditional: 2, dependent: 197, dependent conditional: 192, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 802, independent: 217, independent conditional: 163, independent unconditional: 53, dependent: 585, dependent conditional: 559, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1418629, independent: 1359791, independent conditional: 485351, independent unconditional: 874440, dependent: 57943, dependent conditional: 29439, dependent unconditional: 28504, unknown: 895, unknown conditional: 317, unknown unconditional: 578] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 698, Positive conditional cache size: 125, Positive unconditional cache size: 573, Negative cache size: 197, Negative conditional cache size: 192, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 133213, Maximal queried relation: 14, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1418629, independent: 1360489, independent conditional: 602526, independent unconditional: 757963, dependent: 58140, dependent conditional: 45794, dependent unconditional: 12346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1418629, independent: 1360489, independent conditional: 485476, independent unconditional: 875013, dependent: 58140, dependent conditional: 29631, dependent unconditional: 28509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1418629, independent: 1360489, independent conditional: 485476, independent unconditional: 875013, dependent: 58140, dependent conditional: 29631, dependent unconditional: 28509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 895, independent: 698, independent conditional: 125, independent unconditional: 573, dependent: 197, dependent conditional: 192, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 895, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 270, independent: 73, independent conditional: 71, independent unconditional: 2, dependent: 197, dependent conditional: 192, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 270, independent: 73, independent conditional: 71, independent unconditional: 2, dependent: 197, dependent conditional: 192, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 802, independent: 217, independent conditional: 163, independent unconditional: 53, dependent: 585, dependent conditional: 559, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1418629, independent: 1359791, independent conditional: 485351, independent unconditional: 874440, dependent: 57943, dependent conditional: 29439, dependent unconditional: 28504, unknown: 895, unknown conditional: 317, unknown unconditional: 578] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 698, Positive conditional cache size: 125, Positive unconditional cache size: 573, Negative cache size: 197, Negative conditional cache size: 192, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 133213 ], Independence queries for same thread: 29659 - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 332 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-145-12-5-10-3-9-3-9-3-9-3-8-3-8-2-5-3-6-3-5-2-6-2-6-1 context. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 332 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-145-12-5-10-3-9-3-9-3-9-3-8-3-8-2-5-3-6-3-5-2-6-2-6-1 context. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 332 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-145-12-5-10-3-9-3-9-3-9-3-8-3-8-2-5-3-6-3-5-2-6-2-6-1 context. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 332 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-145-12-5-10-3-9-3-9-3-9-3-8-3-8-2-5-3-6-3-5-2-6-2-6-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 165 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 829.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 103.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 860, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 55.7s InterpolantComputationTime, 6548 NumberOfCodeBlocks, 6299 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 9398 ConstructedInterpolants, 0 QuantifiedInterpolants, 115051 SizeOfPredicates, 215 NumberOfNonLiveVariables, 6045 ConjunctsInSsa, 451 ConjunctsInUnsatCore, 48 InterpolantComputations, 5 PerfectInterpolantSequences, 6459/13539 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 20.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 8, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown