/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 20:25:07,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 20:25:08,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 20:25:08,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 20:25:08,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 20:25:08,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 20:25:08,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 20:25:08,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 20:25:08,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 20:25:08,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 20:25:08,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 20:25:08,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 20:25:08,068 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 20:25:08,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 20:25:08,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 20:25:08,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 20:25:08,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 20:25:08,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 20:25:08,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 20:25:08,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 20:25:08,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 20:25:08,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 20:25:08,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 20:25:08,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 20:25:08,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 20:25:08,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 20:25:08,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 20:25:08,075 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 20:25:08,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 20:25:08,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 20:25:08,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 20:25:08,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 20:25:08,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 20:25:08,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 20:25:08,077 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 20:25:08,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 20:25:08,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 20:25:08,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 20:25:08,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 20:25:08,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-05-04 20:25:08,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 20:25:08,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 20:25:08,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 20:25:08,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-04 20:25:08,383 INFO L274 PluginConnector]: CDTParser initialized [2024-05-04 20:25:08,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-04 20:25:09,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-04 20:25:09,853 INFO L384 CDTParser]: Found 1 translation units. [2024-05-04 20:25:09,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-05-04 20:25:09,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9564c841c/be1d240eee4d4f94b2cc07a161bf6977/FLAGbdddd5459 [2024-05-04 20:25:09,881 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9564c841c/be1d240eee4d4f94b2cc07a161bf6977 [2024-05-04 20:25:09,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 20:25:09,886 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-04 20:25:09,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-04 20:25:09,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-04 20:25:09,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-04 20:25:09,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:25:09" (1/1) ... [2024-05-04 20:25:09,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b179e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:09, skipping insertion in model container [2024-05-04 20:25:09,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:25:09" (1/1) ... [2024-05-04 20:25:09,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-04 20:25:10,074 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-bad-dot-product.wvr.c[2865,2878] [2024-05-04 20:25:10,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 20:25:10,094 INFO L202 MainTranslator]: Completed pre-run [2024-05-04 20:25:10,116 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-bad-dot-product.wvr.c[2865,2878] [2024-05-04 20:25:10,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 20:25:10,127 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 20:25:10,127 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 20:25:10,132 INFO L206 MainTranslator]: Completed translation [2024-05-04 20:25:10,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10 WrapperNode [2024-05-04 20:25:10,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-04 20:25:10,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 20:25:10,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 20:25:10,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 20:25:10,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,184 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 287 [2024-05-04 20:25:10,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 20:25:10,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 20:25:10,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 20:25:10,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 20:25:10,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 20:25:10,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 20:25:10,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 20:25:10,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 20:25:10,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (1/1) ... [2024-05-04 20:25:10,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 20:25:10,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:10,274 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) [2024-05-04 20:25:10,278 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 [2024-05-04 20:25:10,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-04 20:25:10,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-04 20:25:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-04 20:25:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-04 20:25:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 20:25:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 20:25:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 20:25:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 20:25:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 20:25:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 20:25:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-04 20:25:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-04 20:25:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-04 20:25:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-04 20:25:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 20:25:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 20:25:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-04 20:25:10,322 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 20:25:10,430 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 20:25:10,432 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 20:25:10,807 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 20:25:10,993 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 20:25:10,994 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-05-04 20:25:10,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:25:10 BoogieIcfgContainer [2024-05-04 20:25:10,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 20:25:10,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 20:25:10,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 20:25:11,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 20:25:11,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:25:09" (1/3) ... [2024-05-04 20:25:11,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48922621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:25:11, skipping insertion in model container [2024-05-04 20:25:11,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:25:10" (2/3) ... [2024-05-04 20:25:11,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48922621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:25:11, skipping insertion in model container [2024-05-04 20:25:11,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:25:10" (3/3) ... [2024-05-04 20:25:11,007 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-05-04 20:25:11,016 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 20:25:11,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 20:25:11,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 20:25:11,027 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 20:25:11,129 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 20:25:11,190 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 20:25:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 20:25:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:11,196 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) [2024-05-04 20:25:11,204 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 [2024-05-04 20:25:11,252 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 20:25:11,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 20:25:11,271 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;@28f806c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 20:25:11,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 20:25:12,978 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)] === [2024-05-04 20:25:12,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:12,986 INFO L85 PathProgramCache]: Analyzing trace with hash -975437117, now seen corresponding path program 1 times [2024-05-04 20:25:12,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:12,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728389537] [2024-05-04 20:25:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-05-04 20:25:13,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:13,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728389537] [2024-05-04 20:25:13,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728389537] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:25:13,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:25:13,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 20:25:13,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176999828] [2024-05-04 20:25:13,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:25:13,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-04 20:25:13,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:13,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-04 20:25:13,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-04 20:25:13,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:13,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:13,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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) [2024-05-04 20:25:13,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:14,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 20:25:14,605 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)] === [2024-05-04 20:25:14,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:14,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1175966979, now seen corresponding path program 1 times [2024-05-04 20:25:14,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:14,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49537582] [2024-05-04 20:25:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-05-04 20:25:15,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:15,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49537582] [2024-05-04 20:25:15,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49537582] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:25:15,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:25:15,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-04 20:25:15,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003190632] [2024-05-04 20:25:15,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:25:15,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 20:25:15,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:15,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 20:25:15,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-04 20:25:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:15,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:15,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 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) [2024-05-04 20:25:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:15,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:16,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 20:25:16,419 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)] === [2024-05-04 20:25:16,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:16,420 INFO L85 PathProgramCache]: Analyzing trace with hash -760110973, now seen corresponding path program 1 times [2024-05-04 20:25:16,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:16,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134921013] [2024-05-04 20:25:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-04 20:25:16,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:16,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134921013] [2024-05-04 20:25:16,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134921013] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:25:16,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711107061] [2024-05-04 20:25:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:16,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:16,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:16,959 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) [2024-05-04 20:25:16,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 20:25:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:17,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 20:25:17,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:25:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-04 20:25:17,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:25:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-05-04 20:25:17,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711107061] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:25:17,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:25:17,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-05-04 20:25:17,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396116541] [2024-05-04 20:25:17,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:25:17,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-04 20:25:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:17,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-04 20:25:17,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-05-04 20:25:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:17,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:17,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.4) internal successors, (335), 25 states have internal predecessors, (335), 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) [2024-05-04 20:25:17,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:17,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:17,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:19,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:19,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 20:25:19,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-04 20:25:19,532 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)] === [2024-05-04 20:25:19,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:19,533 INFO L85 PathProgramCache]: Analyzing trace with hash -184012791, now seen corresponding path program 2 times [2024-05-04 20:25:19,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:19,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107364348] [2024-05-04 20:25:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-04 20:25:20,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:20,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107364348] [2024-05-04 20:25:20,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107364348] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:25:20,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481393320] [2024-05-04 20:25:20,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:25:20,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:20,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:20,157 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) [2024-05-04 20:25:20,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 20:25:20,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:25:20,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:25:20,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-04 20:25:20,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:25:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-04 20:25:21,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:25:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-04 20:25:21,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481393320] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:25:21,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:25:21,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-05-04 20:25:21,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466280019] [2024-05-04 20:25:21,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:25:21,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-04 20:25:21,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:21,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-04 20:25:21,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2024-05-04 20:25:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:21,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:21,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 12.444444444444445) internal successors, (448), 36 states have internal predecessors, (448), 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) [2024-05-04 20:25:21,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:21,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:21,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:21,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:25:23,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 20:25:23,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:23,358 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)] === [2024-05-04 20:25:23,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash 926013839, now seen corresponding path program 3 times [2024-05-04 20:25:23,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:23,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553815241] [2024-05-04 20:25:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 112 proven. 72 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-04 20:25:23,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:23,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553815241] [2024-05-04 20:25:23,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553815241] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:25:23,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660626553] [2024-05-04 20:25:23,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 20:25:23,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:23,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:23,965 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) [2024-05-04 20:25:23,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 20:25:24,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-04 20:25:24,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:25:24,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-04 20:25:24,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:25:24,735 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 25 treesize of output 9 [2024-05-04 20:25:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 75 proven. 32 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-04 20:25:24,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:25:24,969 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 25 treesize of output 9 [2024-05-04 20:25:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 73 proven. 34 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-04 20:25:25,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660626553] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:25:25,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:25:25,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 39 [2024-05-04 20:25:25,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677170757] [2024-05-04 20:25:25,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:25:25,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-05-04 20:25:25,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:25,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-05-04 20:25:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1360, Unknown=0, NotChecked=0, Total=1482 [2024-05-04 20:25:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:25,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:25,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 15.692307692307692) internal successors, (612), 39 states have internal predecessors, (612), 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) [2024-05-04 20:25:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:25:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:25:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:25:27,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 20:25:27,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:27,650 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)] === [2024-05-04 20:25:27,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:27,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1715248266, now seen corresponding path program 1 times [2024-05-04 20:25:27,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317516803] [2024-05-04 20:25:27,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:27,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-04 20:25:28,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:28,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317516803] [2024-05-04 20:25:28,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317516803] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:25:28,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660872621] [2024-05-04 20:25:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:28,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:28,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:28,391 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) [2024-05-04 20:25:28,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 20:25:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:28,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-04 20:25:28,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:25:28,999 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 23 treesize of output 7 [2024-05-04 20:25:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-04 20:25:29,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:25:29,184 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 25 treesize of output 9 [2024-05-04 20:25:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 73 proven. 35 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-04 20:25:29,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660872621] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:25:29,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:25:29,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-05-04 20:25:29,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766267935] [2024-05-04 20:25:29,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:25:29,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-04 20:25:29,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:29,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-04 20:25:29,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2024-05-04 20:25:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:29,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:29,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.121212121212121) internal successors, (367), 33 states have internal predecessors, (367), 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) [2024-05-04 20:25:29,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:29,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:29,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:29,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:25:29,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:25:29,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:25:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:25:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:25:31,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 20:25:31,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-04 20:25:31,231 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)] === [2024-05-04 20:25:31,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:25:31,231 INFO L85 PathProgramCache]: Analyzing trace with hash 400177367, now seen corresponding path program 2 times [2024-05-04 20:25:31,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:25:31,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002292874] [2024-05-04 20:25:31,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:25:31,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:25:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:25:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-04 20:25:34,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:25:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002292874] [2024-05-04 20:25:34,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002292874] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:25:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013528040] [2024-05-04 20:25:34,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:25:34,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:25:34,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:25:34,047 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) [2024-05-04 20:25:34,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 20:25:34,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:25:34,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:25:34,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-04 20:25:34,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:25:37,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:25:37,373 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 21 treesize of output 15 [2024-05-04 20:25:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 6 proven. 215 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:25:37,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:25:38,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:25:38,734 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 26 treesize of output 19 [2024-05-04 20:25:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 57 proven. 164 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-04 20:25:40,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013528040] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:25:40,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:25:40,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 36, 36] total 101 [2024-05-04 20:25:40,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473071121] [2024-05-04 20:25:40,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:25:40,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-04 20:25:40,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:25:40,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-04 20:25:40,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=9519, Unknown=0, NotChecked=0, Total=10100 [2024-05-04 20:25:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:40,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:25:40,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 8.148514851485148) internal successors, (823), 101 states have internal predecessors, (823), 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) [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:25:40,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:04,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:04,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:04,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2024-05-04 20:27:04,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 20:27:04,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:27:04,837 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)] === [2024-05-04 20:27:04,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:27:04,837 INFO L85 PathProgramCache]: Analyzing trace with hash -532175629, now seen corresponding path program 1 times [2024-05-04 20:27:04,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:27:04,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059624713] [2024-05-04 20:27:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:27:04,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:27:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:27:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 1557 proven. 151 refuted. 0 times theorem prover too weak. 1354 trivial. 0 not checked. [2024-05-04 20:27:06,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:27:06,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059624713] [2024-05-04 20:27:06,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059624713] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:27:06,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649514150] [2024-05-04 20:27:06,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:27:06,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:27:06,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:27:06,637 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) [2024-05-04 20:27:06,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 20:27:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:27:06,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-04 20:27:06,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:27:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 985 proven. 99 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2024-05-04 20:27:08,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:27:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 1032 proven. 52 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2024-05-04 20:27:09,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649514150] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:27:09,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:27:09,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2024-05-04 20:27:09,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493418588] [2024-05-04 20:27:09,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:27:09,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-04 20:27:09,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:27:09,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-04 20:27:09,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=3224, Unknown=0, NotChecked=0, Total=3660 [2024-05-04 20:27:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:09,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:27:09,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 12.819672131147541) internal successors, (782), 61 states have internal predecessors, (782), 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) [2024-05-04 20:27:09,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 734 states. [2024-05-04 20:27:09,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2024-05-04 20:27:14,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:27:14,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 20:27:14,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-04 20:27:14,652 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)] === [2024-05-04 20:27:14,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:27:14,653 INFO L85 PathProgramCache]: Analyzing trace with hash 101707309, now seen corresponding path program 2 times [2024-05-04 20:27:14,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:27:14,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105519361] [2024-05-04 20:27:14,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:27:14,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:27:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:27:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1793 proven. 210 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2024-05-04 20:27:16,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:27:16,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105519361] [2024-05-04 20:27:16,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105519361] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:27:16,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630977451] [2024-05-04 20:27:16,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:27:16,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:27:16,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:27:16,621 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) [2024-05-04 20:27:16,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 20:27:16,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:27:16,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:27:16,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-04 20:27:16,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:27:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1253 proven. 142 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2024-05-04 20:27:18,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:27:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1310 proven. 85 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2024-05-04 20:27:19,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630977451] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:27:19,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:27:19,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-05-04 20:27:19,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740196783] [2024-05-04 20:27:19,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:27:19,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-04 20:27:19,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:27:19,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-04 20:27:19,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=4611, Unknown=0, NotChecked=0, Total=5256 [2024-05-04 20:27:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:19,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:27:19,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 12.356164383561644) internal successors, (902), 73 states have internal predecessors, (902), 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) [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 734 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:27:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2024-05-04 20:27:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:27:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:27:24,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 20:27:24,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:27:24,810 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)] === [2024-05-04 20:27:24,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:27:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash -16753305, now seen corresponding path program 3 times [2024-05-04 20:27:24,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:27:24,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397281715] [2024-05-04 20:27:24,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:27:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:27:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:27:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 2055 proven. 289 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-05-04 20:27:27,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:27:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397281715] [2024-05-04 20:27:27,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397281715] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:27:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478337721] [2024-05-04 20:27:27,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 20:27:27,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:27:27,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:27:27,108 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) [2024-05-04 20:27:27,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 20:27:27,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-04 20:27:27,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:27:27,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 69 conjunts are in the unsatisfiable core [2024-05-04 20:27:27,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:27:27,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-04 20:27:27,776 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-05-04 20:27:27,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-05-04 20:27:28,019 INFO L349 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2024-05-04 20:27:28,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2024-05-04 20:27:28,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-05-04 20:27:29,344 INFO L349 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2024-05-04 20:27:29,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2024-05-04 20:27:29,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-04 20:27:29,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-04 20:27:29,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-04 20:27:29,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-04 20:27:29,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-04 20:27:29,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-04 20:27:30,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:27:30,403 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 24 treesize of output 17 [2024-05-04 20:27:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 1148 proven. 101 refuted. 0 times theorem prover too weak. 1887 trivial. 0 not checked. [2024-05-04 20:27:30,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:27:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 1117 proven. 80 refuted. 0 times theorem prover too weak. 1939 trivial. 0 not checked. [2024-05-04 20:27:31,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478337721] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:27:31,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:27:31,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 15] total 72 [2024-05-04 20:27:31,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853360616] [2024-05-04 20:27:31,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:27:31,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-04 20:27:31,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:27:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-04 20:27:31,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=4811, Unknown=0, NotChecked=0, Total=5112 [2024-05-04 20:27:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:31,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:27:31,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 13.930555555555555) internal successors, (1003), 72 states have internal predecessors, (1003), 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) [2024-05-04 20:27:31,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:31,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 734 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:27:31,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 738 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:27:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:27:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:27:52,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-04 20:27:53,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-04 20:27:53,133 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)] === [2024-05-04 20:27:53,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:27:53,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1912463004, now seen corresponding path program 4 times [2024-05-04 20:27:53,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:27:53,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895583333] [2024-05-04 20:27:53,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:27:53,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:27:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:27:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14829 backedges. 6254 proven. 364 refuted. 0 times theorem prover too weak. 8211 trivial. 0 not checked. [2024-05-04 20:27:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:27:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895583333] [2024-05-04 20:27:57,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895583333] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:27:57,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219433734] [2024-05-04 20:27:57,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 20:27:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:27:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:27:57,713 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) [2024-05-04 20:27:57,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 20:27:58,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 20:27:58,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:27:58,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-04 20:27:58,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:27:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14829 backedges. 4153 proven. 335 refuted. 0 times theorem prover too weak. 10341 trivial. 0 not checked. [2024-05-04 20:27:59,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:28:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 14829 backedges. 4313 proven. 175 refuted. 0 times theorem prover too weak. 10341 trivial. 0 not checked. [2024-05-04 20:28:01,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219433734] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:28:01,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:28:01,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 97 [2024-05-04 20:28:01,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406372019] [2024-05-04 20:28:01,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:28:01,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-05-04 20:28:01,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:28:01,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-05-04 20:28:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1013, Invalid=8299, Unknown=0, NotChecked=0, Total=9312 [2024-05-04 20:28:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:01,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:28:01,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 11.742268041237113) internal successors, (1139), 97 states have internal predecessors, (1139), 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) [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 738 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:28:01,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:28:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 738 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:28:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:28:14,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-04 20:28:15,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-04 20:28:15,062 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)] === [2024-05-04 20:28:15,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:28:15,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1901063646, now seen corresponding path program 5 times [2024-05-04 20:28:15,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:28:15,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913999492] [2024-05-04 20:28:15,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:28:15,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:28:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:28:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14886 backedges. 7039 proven. 449 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2024-05-04 20:28:19,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:28:19,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913999492] [2024-05-04 20:28:19,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913999492] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:28:19,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865193800] [2024-05-04 20:28:19,902 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 20:28:19,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:28:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:28:19,903 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) [2024-05-04 20:28:19,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 20:28:21,682 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-05-04 20:28:21,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:28:21,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 2486 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-04 20:28:21,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:28:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14886 backedges. 7256 proven. 232 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2024-05-04 20:28:23,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:28:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14886 backedges. 7256 proven. 232 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2024-05-04 20:28:24,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865193800] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:28:24,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:28:24,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 94 [2024-05-04 20:28:24,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169926078] [2024-05-04 20:28:24,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:28:24,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-05-04 20:28:24,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:28:24,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-05-04 20:28:24,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=7455, Unknown=0, NotChecked=0, Total=8742 [2024-05-04 20:28:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:24,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:28:24,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 12.563829787234043) internal successors, (1181), 94 states have internal predecessors, (1181), 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) [2024-05-04 20:28:24,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:24,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:28:24,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 738 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:28:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 738 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:28:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:28:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:28:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:28:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:28:37,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-04 20:28:37,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:28:37,442 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)] === [2024-05-04 20:28:37,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:28:37,442 INFO L85 PathProgramCache]: Analyzing trace with hash 391208872, now seen corresponding path program 6 times [2024-05-04 20:28:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:28:37,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912405564] [2024-05-04 20:28:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:28:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:28:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:28:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14951 backedges. 7580 proven. 540 refuted. 0 times theorem prover too weak. 6831 trivial. 0 not checked. [2024-05-04 20:28:43,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:28:43,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912405564] [2024-05-04 20:28:43,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912405564] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:28:43,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935570421] [2024-05-04 20:28:43,069 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 20:28:43,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:28:43,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:28:43,070 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) [2024-05-04 20:28:43,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 20:28:43,779 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-04 20:28:43,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:28:43,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-04 20:28:43,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:28:44,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:28:44,192 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 24 treesize of output 17 [2024-05-04 20:28:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14951 backedges. 2121 proven. 71 refuted. 0 times theorem prover too weak. 12759 trivial. 0 not checked. [2024-05-04 20:28:44,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:28:45,788 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 27 treesize of output 9 [2024-05-04 20:28:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14951 backedges. 2036 proven. 92 refuted. 0 times theorem prover too weak. 12823 trivial. 0 not checked. [2024-05-04 20:28:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935570421] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:28:45,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:28:45,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 27, 23] total 85 [2024-05-04 20:28:45,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911669449] [2024-05-04 20:28:45,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:28:45,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-04 20:28:45,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:28:45,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-04 20:28:45,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=6742, Unknown=0, NotChecked=0, Total=7140 [2024-05-04 20:28:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:45,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:28:45,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 12.48235294117647) internal successors, (1061), 85 states have internal predecessors, (1061), 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) [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 738 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:28:45,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:29:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:29:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:29:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:29:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:29:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:29:22,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:29:22,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-04 20:29:22,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-04 20:29:22,456 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)] === [2024-05-04 20:29:22,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:29:22,457 INFO L85 PathProgramCache]: Analyzing trace with hash 231461448, now seen corresponding path program 7 times [2024-05-04 20:29:22,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:29:22,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114847113] [2024-05-04 20:29:22,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:29:22,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:29:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:29:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 9362 backedges. 7063 proven. 1086 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2024-05-04 20:29:27,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:29:27,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114847113] [2024-05-04 20:29:27,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114847113] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:29:27,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068965307] [2024-05-04 20:29:27,662 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 20:29:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:29:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:29:27,663 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) [2024-05-04 20:29:27,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 20:29:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:29:28,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-04 20:29:28,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:29:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9362 backedges. 3921 proven. 441 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-05-04 20:29:30,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:29:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9362 backedges. 3992 proven. 370 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-05-04 20:29:33,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068965307] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:29:33,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:29:33,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 47, 47] total 143 [2024-05-04 20:29:33,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021001419] [2024-05-04 20:29:33,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:29:33,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-05-04 20:29:33,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:29:33,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-05-04 20:29:33,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2126, Invalid=18180, Unknown=0, NotChecked=0, Total=20306 [2024-05-04 20:29:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:29:33,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:29:33,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 11.937062937062937) internal successors, (1707), 143 states have internal predecessors, (1707), 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) [2024-05-04 20:29:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:29:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:29:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:29:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:29:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:29:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:29:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:29:59,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-04 20:29:59,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-04 20:29:59,249 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)] === [2024-05-04 20:29:59,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:29:59,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1000666882, now seen corresponding path program 8 times [2024-05-04 20:29:59,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:29:59,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085157291] [2024-05-04 20:29:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:29:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:29:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:30:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9443 backedges. 7063 proven. 1167 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2024-05-04 20:30:04,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:30:04,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085157291] [2024-05-04 20:30:04,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085157291] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:30:04,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9022203] [2024-05-04 20:30:04,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:30:04,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:30:04,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:30:04,573 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) [2024-05-04 20:30:04,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 20:30:04,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:30:04,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:30:04,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-04 20:30:04,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:30:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9443 backedges. 4214 proven. 616 refuted. 0 times theorem prover too weak. 4613 trivial. 0 not checked. [2024-05-04 20:30:07,751 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:30:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9443 backedges. 4379 proven. 451 refuted. 0 times theorem prover too weak. 4613 trivial. 0 not checked. [2024-05-04 20:30:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9022203] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:30:10,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:30:10,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 51, 51] total 150 [2024-05-04 20:30:10,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304773508] [2024-05-04 20:30:10,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:30:10,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2024-05-04 20:30:10,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:30:10,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2024-05-04 20:30:10,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2431, Invalid=19919, Unknown=0, NotChecked=0, Total=22350 [2024-05-04 20:30:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:30:10,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:30:10,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 11.833333333333334) internal successors, (1775), 150 states have internal predecessors, (1775), 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) [2024-05-04 20:30:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:30:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:30:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:30:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:30:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:30:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:30:10,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:30:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:30:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:30:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:30:36,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-04 20:30:36,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-04 20:30:37,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-04 20:30:37,072 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)] === [2024-05-04 20:30:37,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:30:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash -640499268, now seen corresponding path program 9 times [2024-05-04 20:30:37,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:30:37,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898432700] [2024-05-04 20:30:37,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:30:37,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:30:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:30:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9532 backedges. 7063 proven. 1256 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2024-05-04 20:30:42,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:30:42,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898432700] [2024-05-04 20:30:42,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898432700] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:30:42,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966539036] [2024-05-04 20:30:42,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 20:30:42,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:30:42,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:30:42,501 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) [2024-05-04 20:30:42,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 20:30:43,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-04 20:30:43,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:30:43,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-04 20:30:43,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:30:44,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 20:30:44,227 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 24 treesize of output 17 [2024-05-04 20:30:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9532 backedges. 1530 proven. 60 refuted. 0 times theorem prover too weak. 7942 trivial. 0 not checked. [2024-05-04 20:30:44,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:30:45,581 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 25 treesize of output 7 [2024-05-04 20:30:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9532 backedges. 1442 proven. 59 refuted. 0 times theorem prover too weak. 8031 trivial. 0 not checked. [2024-05-04 20:30:45,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966539036] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:30:45,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:30:45,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 26, 21] total 98 [2024-05-04 20:30:45,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258736807] [2024-05-04 20:30:45,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:30:45,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-05-04 20:30:45,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:30:45,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-05-04 20:30:45,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=8934, Unknown=0, NotChecked=0, Total=9506 [2024-05-04 20:30:45,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:30:45,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:30:45,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 13.459183673469388) internal successors, (1319), 98 states have internal predecessors, (1319), 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) [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-04 20:30:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:32:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:32:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:32:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:32:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:32:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:32:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-04 20:32:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2024-05-04 20:32:23,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 20:32:24,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-04 20:32:24,119 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)] === [2024-05-04 20:32:24,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:32:24,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1749665182, now seen corresponding path program 10 times [2024-05-04 20:32:24,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:32:24,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972493723] [2024-05-04 20:32:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:32:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:32:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:32:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16262 backedges. 10967 proven. 1415 refuted. 0 times theorem prover too weak. 3880 trivial. 0 not checked. [2024-05-04 20:32:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:32:33,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972493723] [2024-05-04 20:32:33,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972493723] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:32:33,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497387198] [2024-05-04 20:32:33,799 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 20:32:33,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:32:33,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:32:33,800 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) [2024-05-04 20:32:33,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-04 20:32:34,217 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 20:32:34,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:32:34,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-04 20:32:34,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:32:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16262 backedges. 6526 proven. 836 refuted. 0 times theorem prover too weak. 8900 trivial. 0 not checked. [2024-05-04 20:32:37,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:32:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16262 backedges. 6725 proven. 637 refuted. 0 times theorem prover too weak. 8900 trivial. 0 not checked. [2024-05-04 20:32:41,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497387198] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:32:41,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:32:41,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 59, 59] total 172 [2024-05-04 20:32:41,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663979605] [2024-05-04 20:32:41,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:32:41,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2024-05-04 20:32:41,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:32:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2024-05-04 20:32:41,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3170, Invalid=26242, Unknown=0, NotChecked=0, Total=29412 [2024-05-04 20:32:41,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:32:41,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:32:41,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 11.436046511627907) internal successors, (1967), 172 states have internal predecessors, (1967), 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) [2024-05-04 20:32:41,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:32:41,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:32:41,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:32:41,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:32:41,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2024-05-04 20:32:41,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:33:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:33:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:33:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:33:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:33:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-04 20:33:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2024-05-04 20:33:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-04 20:33:57,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-04 20:33:57,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-04 20:33:57,694 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)] === [2024-05-04 20:33:57,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:33:57,695 INFO L85 PathProgramCache]: Analyzing trace with hash -532049064, now seen corresponding path program 11 times [2024-05-04 20:33:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:33:57,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459594105] [2024-05-04 20:33:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:33:57,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:33:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:34:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16367 backedges. 10967 proven. 1520 refuted. 0 times theorem prover too weak. 3880 trivial. 0 not checked. [2024-05-04 20:34:07,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:34:07,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459594105] [2024-05-04 20:34:07,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459594105] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:34:07,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525252074] [2024-05-04 20:34:07,710 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 20:34:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:34:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:34:07,711 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) [2024-05-04 20:34:07,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-04 20:34:10,774 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-05-04 20:34:10,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:34:10,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 90 conjunts are in the unsatisfiable core [2024-05-04 20:34:10,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:34:13,187 INFO L349 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2024-05-04 20:34:13,188 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 48 treesize of output 45 [2024-05-04 20:34:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16367 backedges. 6801 proven. 2006 refuted. 0 times theorem prover too weak. 7560 trivial. 0 not checked. [2024-05-04 20:34:15,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:34:22,735 INFO L349 Elim1Store]: treesize reduction 29, result has 25.6 percent of original size [2024-05-04 20:34:22,736 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 49 treesize of output 24 [2024-05-04 20:34:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16367 backedges. 6845 proven. 1962 refuted. 0 times theorem prover too weak. 7560 trivial. 0 not checked. [2024-05-04 20:34:22,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525252074] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:34:22,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:34:22,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 55, 55] total 168 [2024-05-04 20:34:22,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129646888] [2024-05-04 20:34:22,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:34:22,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2024-05-04 20:34:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:34:22,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2024-05-04 20:34:22,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=980, Invalid=27076, Unknown=0, NotChecked=0, Total=28056 [2024-05-04 20:34:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:34:22,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:34:22,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 11.761904761904763) internal successors, (1976), 168 states have internal predecessors, (1976), 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) [2024-05-04 20:34:22,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 739 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-04 20:34:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-04 20:34:55,392 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 [2024-05-04 20:34:55,392 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 [2024-05-04 20:34:55,393 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 [2024-05-04 20:34:55,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-04 20:34:55,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-04 20:34:55,587 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 443 known predicates. [2024-05-04 20:34:55,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-04 20:34:55,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-04 20:34:55,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-04 20:34:55,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-04 20:34:55,593 INFO L448 BasicCegarLoop]: Path program histogram: [11, 3, 2, 1, 1] [2024-05-04 20:34:55,595 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 20:34:55,595 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 20:34:55,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:34:55 BasicIcfg [2024-05-04 20:34:55,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 20:34:55,599 INFO L158 Benchmark]: Toolchain (without parser) took 585713.35ms. Allocated memory was 272.6MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 198.7MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2024-05-04 20:34:55,599 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 272.6MB. Free memory is still 242.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 20:34:55,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.87ms. Allocated memory is still 272.6MB. Free memory was 198.7MB in the beginning and 186.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-04 20:34:55,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.57ms. Allocated memory is still 272.6MB. Free memory was 186.0MB in the beginning and 183.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 20:34:55,600 INFO L158 Benchmark]: Boogie Preprocessor took 42.71ms. Allocated memory is still 272.6MB. Free memory was 183.6MB in the beginning and 181.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 20:34:55,600 INFO L158 Benchmark]: RCFGBuilder took 767.60ms. Allocated memory is still 272.6MB. Free memory was 181.5MB in the beginning and 137.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2024-05-04 20:34:55,601 INFO L158 Benchmark]: TraceAbstraction took 584600.46ms. Allocated memory was 272.6MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 136.3MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2024-05-04 20:34:55,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 272.6MB. Free memory is still 242.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.87ms. Allocated memory is still 272.6MB. Free memory was 198.7MB in the beginning and 186.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.57ms. Allocated memory is still 272.6MB. Free memory was 186.0MB in the beginning and 183.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.71ms. Allocated memory is still 272.6MB. Free memory was 183.6MB in the beginning and 181.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 767.60ms. Allocated memory is still 272.6MB. Free memory was 181.5MB in the beginning and 137.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 584600.46ms. Allocated memory was 272.6MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 136.3MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16211749, independent: 14860904, independent conditional: 14860904, independent unconditional: 0, dependent: 1350845, dependent conditional: 1350845, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14862770, independent: 14860904, independent conditional: 14860904, independent unconditional: 0, dependent: 1866, dependent conditional: 1866, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14862770, independent: 14860904, independent conditional: 14860904, independent unconditional: 0, dependent: 1866, dependent conditional: 1866, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14862770, independent: 14860904, independent conditional: 14860904, independent unconditional: 0, dependent: 1866, dependent conditional: 1866, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14869394, independent: 14860904, independent conditional: 0, independent unconditional: 14860904, dependent: 8490, dependent conditional: 4758, dependent unconditional: 3732, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14869394, independent: 14860904, independent conditional: 0, independent unconditional: 14860904, dependent: 8490, dependent conditional: 3554, dependent unconditional: 4936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14869394, independent: 14860904, independent conditional: 0, independent unconditional: 14860904, dependent: 8490, dependent conditional: 3554, dependent unconditional: 4936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6230, independent: 6139, independent conditional: 0, independent unconditional: 6139, dependent: 91, dependent conditional: 89, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6230, independent: 6139, independent conditional: 0, independent unconditional: 6139, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 91, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 89, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 89, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 409, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 409, dependent conditional: 361, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14869394, independent: 14854765, independent conditional: 0, independent unconditional: 14854765, dependent: 8399, dependent conditional: 3465, dependent unconditional: 4934, unknown: 6230, unknown conditional: 89, unknown unconditional: 6141] , Statistics on independence cache: Total cache size (in pairs): 6230, Positive cache size: 6139, Positive conditional cache size: 0, Positive unconditional cache size: 6139, Negative cache size: 91, Negative conditional cache size: 89, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1204, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14869394, independent: 14860904, independent conditional: 0, independent unconditional: 14860904, dependent: 8490, dependent conditional: 4758, dependent unconditional: 3732, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14869394, independent: 14860904, independent conditional: 0, independent unconditional: 14860904, dependent: 8490, dependent conditional: 3554, dependent unconditional: 4936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14869394, independent: 14860904, independent conditional: 0, independent unconditional: 14860904, dependent: 8490, dependent conditional: 3554, dependent unconditional: 4936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6230, independent: 6139, independent conditional: 0, independent unconditional: 6139, dependent: 91, dependent conditional: 89, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6230, independent: 6139, independent conditional: 0, independent unconditional: 6139, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 91, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 89, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 89, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 409, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 409, dependent conditional: 361, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14869394, independent: 14854765, independent conditional: 0, independent unconditional: 14854765, dependent: 8399, dependent conditional: 3465, dependent unconditional: 4934, unknown: 6230, unknown conditional: 89, unknown unconditional: 6141] , Statistics on independence cache: Total cache size (in pairs): 6230, Positive cache size: 6139, Positive conditional cache size: 0, Positive unconditional cache size: 6139, Negative cache size: 91, Negative conditional cache size: 89, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1204 ], Independence queries for same thread: 1348979 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 443 known predicates. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 443 known predicates. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 443 known predicates. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 443 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 329 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 584.4s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 447.7s, 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: 2271, 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: 1.5s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 120.1s InterpolantComputationTime, 31656 NumberOfCodeBlocks, 29273 NumberOfCodeBlocksAsserted, 109 NumberOfCheckSat, 47144 ConstructedInterpolants, 160 QuantifiedInterpolants, 164712 SizeOfPredicates, 539 NumberOfNonLiveVariables, 21635 ConjunctsInSsa, 634 ConjunctsInUnsatCore, 50 InterpolantComputations, 2 PerfectInterpolantSequences, 329700/348094 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: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown