./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 13:04:56,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 13:04:56,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 13:04:56,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 13:04:56,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 13:04:56,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 13:04:56,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 13:04:56,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 13:04:56,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 13:04:56,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 13:04:56,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 13:04:56,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 13:04:56,133 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 13:04:56,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 13:04:56,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 13:04:56,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 13:04:56,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 13:04:56,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 13:04:56,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 13:04:56,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 13:04:56,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 13:04:56,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 13:04:56,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 13:04:56,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 13:04:56,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 13:04:56,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 13:04:56,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 13:04:56,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 13:04:56,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 13:04:56,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 13:04:56,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 13:04:56,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 13:04:56,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 13:04:56,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 13:04:56,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 13:04:56,143 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 13:04:56,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 13:04:56,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 13:04:56,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 13:04:56,146 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 13:04:56,146 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 13:04:56,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2024-09-22 13:04:56,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 13:04:56,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 13:04:56,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 13:04:56,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 13:04:56,460 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 13:04:56,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2024-09-22 13:04:57,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 13:04:58,096 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 13:04:58,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2024-09-22 13:04:58,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc54b69cb/e8ad6d41c15442f39695be1883417684/FLAG147394e3a [2024-09-22 13:04:58,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc54b69cb/e8ad6d41c15442f39695be1883417684 [2024-09-22 13:04:58,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 13:04:58,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-22 13:04:58,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 13:04:58,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 13:04:58,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 13:04:58,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e20066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58, skipping insertion in model container [2024-09-22 13:04:58,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 13:04:58,389 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2874,2887] [2024-09-22 13:04:58,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 13:04:58,419 INFO L200 MainTranslator]: Completed pre-run [2024-09-22 13:04:58,451 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2874,2887] [2024-09-22 13:04:58,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 13:04:58,476 INFO L204 MainTranslator]: Completed translation [2024-09-22 13:04:58,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58 WrapperNode [2024-09-22 13:04:58,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 13:04:58,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 13:04:58,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 13:04:58,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 13:04:58,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,528 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 123 [2024-09-22 13:04:58,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 13:04:58,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 13:04:58,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 13:04:58,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 13:04:58,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 13:04:58,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 13:04:58,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 13:04:58,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 13:04:58,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (1/1) ... [2024-09-22 13:04:58,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 13:04:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:04:58,612 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) [2024-09-22 13:04:58,616 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 [2024-09-22 13:04:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 13:04:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 13:04:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 13:04:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 13:04:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 13:04:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 13:04:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 13:04:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 13:04:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 13:04:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 13:04:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 13:04:58,666 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 13:04:58,768 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 13:04:58,770 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 13:04:59,072 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 13:04:59,072 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 13:04:59,349 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 13:04:59,349 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-22 13:04:59,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 01:04:59 BoogieIcfgContainer [2024-09-22 13:04:59,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 13:04:59,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 13:04:59,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 13:04:59,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 13:04:59,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 01:04:58" (1/3) ... [2024-09-22 13:04:59,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c19ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 01:04:59, skipping insertion in model container [2024-09-22 13:04:59,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 01:04:58" (2/3) ... [2024-09-22 13:04:59,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c19ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 01:04:59, skipping insertion in model container [2024-09-22 13:04:59,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 01:04:59" (3/3) ... [2024-09-22 13:04:59,360 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2024-09-22 13:04:59,379 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 13:04:59,379 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-22 13:04:59,379 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 13:04:59,430 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-22 13:04:59,500 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 13:04:59,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 13:04:59,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:04:59,504 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) [2024-09-22 13:04:59,517 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 [2024-09-22 13:04:59,554 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 13:04:59,565 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 13:04:59,571 INFO L336 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, 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;@7fa1c468, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 13:04:59,572 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-22 13:04:59,645 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:04:59,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:04:59,650 INFO L85 PathProgramCache]: Analyzing trace with hash -308390308, now seen corresponding path program 1 times [2024-09-22 13:04:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:04:59,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808696410] [2024-09-22 13:04:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:04:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:04:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:04:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:04:59,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:04:59,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808696410] [2024-09-22 13:04:59,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808696410] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:04:59,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:04:59,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 13:04:59,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311564090] [2024-09-22 13:04:59,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:04:59,961 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 13:04:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:04:59,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 13:04:59,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 13:04:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:04:59,988 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:04:59,989 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-09-22 13:04:59,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:00,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:00,056 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 13:05:00,056 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:00,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1288931492, now seen corresponding path program 1 times [2024-09-22 13:05:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:00,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617176529] [2024-09-22 13:05:00,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:00,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:00,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617176529] [2024-09-22 13:05:00,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617176529] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:05:00,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:05:00,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 13:05:00,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850779378] [2024-09-22 13:05:00,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:00,459 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 13:05:00,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:00,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 13:05:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 13:05:00,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:00,460 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:00,460 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-09-22 13:05:00,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:00,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:00,693 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 13:05:00,694 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:00,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash 777853043, now seen corresponding path program 1 times [2024-09-22 13:05:00,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:00,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752345211] [2024-09-22 13:05:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:00,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:00,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752345211] [2024-09-22 13:05:00,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752345211] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:05:00,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:05:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 13:05:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922057747] [2024-09-22 13:05:00,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:00,824 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 13:05:00,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:00,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 13:05:00,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-22 13:05:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:00,828 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:00,828 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-09-22 13:05:00,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:00,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:00,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:00,940 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-22 13:05:00,940 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:00,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:00,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1913716631, now seen corresponding path program 1 times [2024-09-22 13:05:00,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:00,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520280378] [2024-09-22 13:05:00,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:00,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 13:05:01,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:01,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520280378] [2024-09-22 13:05:01,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520280378] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:05:01,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:05:01,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-22 13:05:01,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596863079] [2024-09-22 13:05:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:01,059 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 13:05:01,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:01,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 13:05:01,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-22 13:05:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:01,060 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:01,060 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-09-22 13:05:01,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:01,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:01,164 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-22 13:05:01,164 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:01,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:01,165 INFO L85 PathProgramCache]: Analyzing trace with hash 191387023, now seen corresponding path program 1 times [2024-09-22 13:05:01,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:01,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216671317] [2024-09-22 13:05:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:01,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:02,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216671317] [2024-09-22 13:05:02,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216671317] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111000614] [2024-09-22 13:05:02,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:02,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:02,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:02,734 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) [2024-09-22 13:05:02,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 13:05:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:02,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-09-22 13:05:02,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:03,484 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-09-22 13:05:03,485 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 83 treesize of output 52 [2024-09-22 13:05:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:03,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:04,175 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-22 13:05:04,176 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 122 treesize of output 90 [2024-09-22 13:05:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 13:05:04,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111000614] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:04,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-22 13:05:04,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13, 13] total 33 [2024-09-22 13:05:04,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917488519] [2024-09-22 13:05:04,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:04,305 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-22 13:05:04,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:04,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-22 13:05:04,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2024-09-22 13:05:04,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:04,307 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:04,308 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2024-09-22 13:05:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:04,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 13:05:05,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-22 13:05:05,279 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:05,280 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:05,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:05,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1701336556, now seen corresponding path program 1 times [2024-09-22 13:05:05,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:05,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606116413] [2024-09-22 13:05:05,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:05,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 13:05:05,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:05,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606116413] [2024-09-22 13:05:05,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606116413] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:05,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180717287] [2024-09-22 13:05:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:05,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:05,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:05,418 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) [2024-09-22 13:05:05,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 13:05:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:05,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 13:05:05,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 13:05:05,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 13:05:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180717287] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:05,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:05,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2024-09-22 13:05:05,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009062083] [2024-09-22 13:05:05,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:05,705 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-22 13:05:05,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:05,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-22 13:05:05,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-09-22 13:05:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:05,706 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:05,706 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 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) [2024-09-22 13:05:05,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:05,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 13:05:05,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 13:05:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:05,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-22 13:05:06,136 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:06,137 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:06,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1985136848, now seen corresponding path program 2 times [2024-09-22 13:05:06,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:06,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278112543] [2024-09-22 13:05:06,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:06,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:06,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:06,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278112543] [2024-09-22 13:05:06,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278112543] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:05:06,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:05:06,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-22 13:05:06,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168889459] [2024-09-22 13:05:06,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:06,551 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-22 13:05:06,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:06,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-22 13:05:06,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-09-22 13:05:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:06,552 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:06,552 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 9 states have internal predecessors, (27), 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) [2024-09-22 13:05:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:06,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:06,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:06,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:06,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 13:05:06,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:06,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:06,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:06,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:06,818 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-22 13:05:06,819 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:06,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash 4225244, now seen corresponding path program 1 times [2024-09-22 13:05:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:06,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265826011] [2024-09-22 13:05:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:06,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:07,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:07,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265826011] [2024-09-22 13:05:07,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265826011] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:07,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540540001] [2024-09-22 13:05:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:07,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:07,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:07,053 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) [2024-09-22 13:05:07,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 13:05:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:07,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 13:05:07,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:07,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:07,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540540001] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:07,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-22 13:05:07,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 8] total 21 [2024-09-22 13:05:07,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265341372] [2024-09-22 13:05:07,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:07,469 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-22 13:05:07,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:07,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-22 13:05:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-09-22 13:05:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:07,470 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:07,470 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 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) [2024-09-22 13:05:07,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:07,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:07,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:07,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-22 13:05:07,828 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:07,828 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:07,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:07,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1176615495, now seen corresponding path program 1 times [2024-09-22 13:05:07,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:07,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757267157] [2024-09-22 13:05:07,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:07,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 13:05:08,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:08,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757267157] [2024-09-22 13:05:08,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757267157] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:08,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949330077] [2024-09-22 13:05:08,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:08,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:08,963 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) [2024-09-22 13:05:08,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 13:05:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:09,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-09-22 13:05:09,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:09,647 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-09-22 13:05:09,647 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 103 treesize of output 52 [2024-09-22 13:05:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:09,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:10,238 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-22 13:05:10,239 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 122 treesize of output 90 [2024-09-22 13:05:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-22 13:05:10,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949330077] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:10,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:10,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 10] total 41 [2024-09-22 13:05:10,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865513851] [2024-09-22 13:05:10,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:10,367 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-22 13:05:10,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:10,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-22 13:05:10,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1507, Unknown=0, NotChecked=0, Total=1640 [2024-09-22 13:05:10,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:10,368 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:10,369 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.1463414634146343) internal successors, (88), 41 states have internal predecessors, (88), 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) [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:10,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:11,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-22 13:05:12,131 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-09-22 13:05:12,132 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:12,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1652305908, now seen corresponding path program 2 times [2024-09-22 13:05:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:12,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764922902] [2024-09-22 13:05:12,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:12,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:12,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:12,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764922902] [2024-09-22 13:05:12,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764922902] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:12,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404330803] [2024-09-22 13:05:12,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 13:05:12,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:12,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:12,317 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) [2024-09-22 13:05:12,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 13:05:12,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 13:05:12,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:12,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 13:05:12,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:12,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:12,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404330803] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:12,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:12,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-09-22 13:05:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291506631] [2024-09-22 13:05:12,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:12,638 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-22 13:05:12,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:12,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-22 13:05:12,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-09-22 13:05:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:12,639 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:12,639 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 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) [2024-09-22 13:05:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:12,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:12,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:12,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:12,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:12,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:12,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:12,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:12,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-22 13:05:13,027 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-22 13:05:13,027 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:13,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:13,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1384682674, now seen corresponding path program 3 times [2024-09-22 13:05:13,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:13,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548217481] [2024-09-22 13:05:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-22 13:05:13,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:13,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548217481] [2024-09-22 13:05:13,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548217481] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:13,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134186248] [2024-09-22 13:05:13,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 13:05:13,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:13,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:13,650 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) [2024-09-22 13:05:13,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 13:05:13,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-22 13:05:13,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:13,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-22 13:05:13,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:13,907 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-22 13:05:13,908 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 27 treesize of output 15 [2024-09-22 13:05:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-22 13:05:13,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:14,001 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-22 13:05:14,001 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 40 treesize of output 56 [2024-09-22 13:05:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-22 13:05:14,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134186248] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:14,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:14,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 8] total 23 [2024-09-22 13:05:14,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283605297] [2024-09-22 13:05:14,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:14,057 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-22 13:05:14,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:14,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-22 13:05:14,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2024-09-22 13:05:14,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:14,059 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:14,059 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 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) [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:14,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:14,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-22 13:05:14,902 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-22 13:05:14,903 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:14,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:14,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1366755386, now seen corresponding path program 1 times [2024-09-22 13:05:14,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:14,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80651990] [2024-09-22 13:05:14,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:14,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:15,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:15,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80651990] [2024-09-22 13:05:15,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80651990] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409637920] [2024-09-22 13:05:15,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:15,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:15,160 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) [2024-09-22 13:05:15,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 13:05:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:15,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-22 13:05:15,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:15,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:15,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409637920] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:15,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:15,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-09-22 13:05:15,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479010263] [2024-09-22 13:05:15,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:15,640 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-22 13:05:15,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:15,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-22 13:05:15,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=604, Unknown=0, NotChecked=0, Total=812 [2024-09-22 13:05:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:15,642 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:15,642 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.689655172413793) internal successors, (78), 28 states have internal predecessors, (78), 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) [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:15,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:15,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:15,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:15,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:15,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:15,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:16,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-22 13:05:16,240 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:16,240 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:16,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 619795246, now seen corresponding path program 2 times [2024-09-22 13:05:16,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:16,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134796461] [2024-09-22 13:05:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:16,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:16,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:16,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134796461] [2024-09-22 13:05:16,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134796461] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:16,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989030293] [2024-09-22 13:05:16,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 13:05:16,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:16,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:16,423 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) [2024-09-22 13:05:16,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 13:05:16,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 13:05:16,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:16,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 13:05:16,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:16,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 13:05:16,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989030293] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:16,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:16,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2024-09-22 13:05:16,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742156388] [2024-09-22 13:05:16,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:16,874 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-22 13:05:16,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:16,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-22 13:05:16,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2024-09-22 13:05:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:16,875 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:16,876 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 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) [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:16,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:17,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:17,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-22 13:05:17,314 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:17,314 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:17,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:17,314 INFO L85 PathProgramCache]: Analyzing trace with hash -153249334, now seen corresponding path program 3 times [2024-09-22 13:05:17,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:17,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297637861] [2024-09-22 13:05:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:17,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297637861] [2024-09-22 13:05:17,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297637861] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895786370] [2024-09-22 13:05:17,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 13:05:17,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:17,680 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) [2024-09-22 13:05:17,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 13:05:17,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-09-22 13:05:17,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:17,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-22 13:05:17,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-22 13:05:18,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-22 13:05:18,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895786370] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:18,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:18,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-09-22 13:05:18,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859304560] [2024-09-22 13:05:18,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:18,489 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-22 13:05:18,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:18,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-22 13:05:18,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1454, Unknown=0, NotChecked=0, Total=1722 [2024-09-22 13:05:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:18,491 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:18,491 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.2857142857142856) internal successors, (96), 42 states have internal predecessors, (96), 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) [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:18,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:18,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:18,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:05:19,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-22 13:05:19,389 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-22 13:05:19,389 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:19,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:19,390 INFO L85 PathProgramCache]: Analyzing trace with hash -863191612, now seen corresponding path program 4 times [2024-09-22 13:05:19,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:19,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283641019] [2024-09-22 13:05:19,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:19,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-22 13:05:19,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:19,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283641019] [2024-09-22 13:05:19,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283641019] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:19,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929820750] [2024-09-22 13:05:19,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 13:05:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:19,605 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) [2024-09-22 13:05:19,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-22 13:05:19,703 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 13:05:19,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:19,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-22 13:05:19,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-22 13:05:19,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-09-22 13:05:19,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929820750] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:19,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:19,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 6] total 27 [2024-09-22 13:05:19,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450803525] [2024-09-22 13:05:19,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:19,977 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-22 13:05:19,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:19,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-22 13:05:19,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2024-09-22 13:05:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:19,978 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:19,978 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 27 states have internal predecessors, (90), 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) [2024-09-22 13:05:19,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:19,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:19,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:19,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:19,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-22 13:05:19,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:20,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-22 13:05:20,957 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:20,957 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:20,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:20,958 INFO L85 PathProgramCache]: Analyzing trace with hash 906787628, now seen corresponding path program 4 times [2024-09-22 13:05:20,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:20,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670430845] [2024-09-22 13:05:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:20,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 42 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-22 13:05:21,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:21,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670430845] [2024-09-22 13:05:21,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670430845] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:21,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305477099] [2024-09-22 13:05:21,402 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 13:05:21,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:21,404 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) [2024-09-22 13:05:21,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-22 13:05:21,506 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 13:05:21,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:21,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-22 13:05:21,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:21,856 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-09-22 13:05:21,856 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 34 treesize of output 10 [2024-09-22 13:05:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-09-22 13:05:21,876 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:21,983 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-22 13:05:21,984 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 40 treesize of output 56 [2024-09-22 13:05:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-22 13:05:22,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305477099] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:22,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:22,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 8] total 41 [2024-09-22 13:05:22,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904711357] [2024-09-22 13:05:22,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:22,061 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-22 13:05:22,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:22,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-22 13:05:22,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1483, Unknown=0, NotChecked=0, Total=1640 [2024-09-22 13:05:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:22,062 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:22,062 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.3658536585365852) internal successors, (97), 41 states have internal predecessors, (97), 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) [2024-09-22 13:05:22,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:22,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:22,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:22,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:23,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-22 13:05:23,502 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-22 13:05:23,502 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:23,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:23,503 INFO L85 PathProgramCache]: Analyzing trace with hash 92973046, now seen corresponding path program 1 times [2024-09-22 13:05:23,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:23,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159345430] [2024-09-22 13:05:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:23,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 67 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-22 13:05:23,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:23,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159345430] [2024-09-22 13:05:23,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159345430] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:23,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9907014] [2024-09-22 13:05:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:23,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:23,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:23,831 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) [2024-09-22 13:05:23,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-22 13:05:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:23,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-22 13:05:23,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 76 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-22 13:05:24,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 76 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-22 13:05:24,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9907014] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:24,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:24,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 40 [2024-09-22 13:05:24,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706188238] [2024-09-22 13:05:24,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:24,447 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-22 13:05:24,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:24,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-22 13:05:24,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1307, Unknown=0, NotChecked=0, Total=1560 [2024-09-22 13:05:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:24,448 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:24,449 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.075) internal successors, (123), 40 states have internal predecessors, (123), 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) [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:24,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:24,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:24,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:24,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-22 13:05:24,888 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-22 13:05:24,888 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:24,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:24,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1558979182, now seen corresponding path program 2 times [2024-09-22 13:05:24,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:24,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969942953] [2024-09-22 13:05:24,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 56 proven. 43 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 13:05:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969942953] [2024-09-22 13:05:25,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969942953] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847703032] [2024-09-22 13:05:25,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 13:05:25,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:25,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:25,226 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) [2024-09-22 13:05:25,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-22 13:05:25,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 13:05:25,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:25,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-22 13:05:25,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 78 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 13:05:25,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 78 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 13:05:25,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847703032] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:25,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:25,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-09-22 13:05:25,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001898686] [2024-09-22 13:05:25,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:25,971 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-22 13:05:25,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:25,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-22 13:05:25,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1741, Unknown=0, NotChecked=0, Total=2070 [2024-09-22 13:05:25,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:25,972 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:25,973 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.0217391304347827) internal successors, (139), 46 states have internal predecessors, (139), 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) [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:25,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:25,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:26,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-22 13:05:26,451 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-22 13:05:26,452 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:26,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:26,452 INFO L85 PathProgramCache]: Analyzing trace with hash 272668150, now seen corresponding path program 3 times [2024-09-22 13:05:26,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:26,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573056116] [2024-09-22 13:05:26,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 42 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 13:05:27,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:27,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573056116] [2024-09-22 13:05:27,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573056116] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:27,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360834755] [2024-09-22 13:05:27,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 13:05:27,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:27,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:27,023 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) [2024-09-22 13:05:27,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-22 13:05:27,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-22 13:05:27,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:27,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-22 13:05:27,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-22 13:05:27,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 34 proven. 72 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-22 13:05:28,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360834755] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:28,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:28,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 69 [2024-09-22 13:05:28,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965365895] [2024-09-22 13:05:28,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:28,518 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-22 13:05:28,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:28,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-22 13:05:28,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=4164, Unknown=0, NotChecked=0, Total=4830 [2024-09-22 13:05:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:28,521 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:28,522 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.157142857142857) internal successors, (151), 69 states have internal predecessors, (151), 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) [2024-09-22 13:05:28,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:28,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:28,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:28,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:28,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:28,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:28,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-22 13:05:29,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-22 13:05:30,025 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:30,026 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:30,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:30,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1968259312, now seen corresponding path program 4 times [2024-09-22 13:05:30,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:30,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320690696] [2024-09-22 13:05:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:30,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 79 proven. 54 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-22 13:05:30,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:30,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320690696] [2024-09-22 13:05:30,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320690696] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:30,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902453620] [2024-09-22 13:05:30,407 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 13:05:30,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:30,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:30,409 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) [2024-09-22 13:05:30,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-22 13:05:30,525 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 13:05:30,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:30,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-22 13:05:30,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 98 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-22 13:05:30,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-22 13:05:30,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902453620] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:30,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:30,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 6] total 39 [2024-09-22 13:05:30,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026578534] [2024-09-22 13:05:30,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:30,954 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-09-22 13:05:30,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:30,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-09-22 13:05:30,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1316, Unknown=0, NotChecked=0, Total=1482 [2024-09-22 13:05:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:30,956 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:30,956 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.948717948717949) internal successors, (115), 39 states have internal predecessors, (115), 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) [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:30,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-22 13:05:30,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-22 13:05:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-22 13:05:31,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-22 13:05:32,007 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:32,007 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:32,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash 106041211, now seen corresponding path program 1 times [2024-09-22 13:05:32,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:32,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918391532] [2024-09-22 13:05:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 114 proven. 41 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-22 13:05:32,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:32,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918391532] [2024-09-22 13:05:32,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918391532] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:32,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550000137] [2024-09-22 13:05:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:32,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:32,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:32,390 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) [2024-09-22 13:05:32,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-22 13:05:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:32,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-22 13:05:32,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-22 13:05:32,831 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-09-22 13:05:33,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550000137] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:33,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:33,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-09-22 13:05:33,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40628169] [2024-09-22 13:05:33,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:33,081 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-22 13:05:33,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:33,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-22 13:05:33,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=1432, Unknown=0, NotChecked=0, Total=1892 [2024-09-22 13:05:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:33,083 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:33,083 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.772727272727273) internal successors, (122), 44 states have internal predecessors, (122), 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) [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:33,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-22 13:05:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-22 13:05:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-22 13:05:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:33,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-09-22 13:05:33,421 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:33,421 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:33,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1315018135, now seen corresponding path program 2 times [2024-09-22 13:05:33,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:33,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637685245] [2024-09-22 13:05:33,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-09-22 13:05:34,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637685245] [2024-09-22 13:05:34,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637685245] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 13:05:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199388440] [2024-09-22 13:05:34,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 13:05:34,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 13:05:34,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 13:05:34,478 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 13:05:34,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-22 13:05:34,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-22 13:05:34,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 13:05:34,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-22 13:05:34,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 13:05:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-09-22 13:05:34,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 13:05:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-09-22 13:05:36,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199388440] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 13:05:36,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 13:05:36,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 32 [2024-09-22 13:05:36,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511762867] [2024-09-22 13:05:36,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 13:05:36,190 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-22 13:05:36,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:36,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-22 13:05:36,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=910, Unknown=0, NotChecked=0, Total=992 [2024-09-22 13:05:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:36,191 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:36,191 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.90625) internal successors, (93), 32 states have internal predecessors, (93), 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) [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-22 13:05:36,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-22 13:05:36,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:36,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 13:05:40,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-09-22 13:05:41,046 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-22 13:05:41,046 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 13:05:41,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 13:05:41,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1863757897, now seen corresponding path program 1 times [2024-09-22 13:05:41,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 13:05:41,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934626187] [2024-09-22 13:05:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 13:05:41,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 13:05:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 13:05:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-09-22 13:05:41,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 13:05:41,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934626187] [2024-09-22 13:05:41,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934626187] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 13:05:41,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 13:05:41,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 13:05:41,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512551559] [2024-09-22 13:05:41,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 13:05:41,090 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 13:05:41,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 13:05:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 13:05:41,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 13:05:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:41,091 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 13:05:41,091 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-09-22 13:05:41,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:41,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:41,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:41,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:41,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-22 13:05:41,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:41,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 13:05:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 13:05:41,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-09-22 13:05:41,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-09-22 13:05:41,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:41,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 13:05:41,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 13:05:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 13:05:58,969 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-09-22 13:05:58,970 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-09-22 13:05:58,970 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-22 13:05:58,970 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-22 13:05:58,974 INFO L408 BasicCegarLoop]: Path program histogram: [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-09-22 13:05:58,977 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-22 13:05:58,977 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-22 13:05:58,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 01:05:58 BasicIcfg [2024-09-22 13:05:58,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-22 13:05:58,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-22 13:05:58,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-22 13:05:58,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-22 13:05:58,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 01:04:59" (3/4) ... [2024-09-22 13:05:58,983 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-22 13:05:58,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-09-22 13:05:58,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-09-22 13:05:58,992 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2024-09-22 13:05:58,992 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-09-22 13:05:58,992 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-09-22 13:05:58,993 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-09-22 13:05:59,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-09-22 13:05:59,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-09-22 13:05:59,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-22 13:05:59,072 INFO L158 Benchmark]: Toolchain (without parser) took 60933.58ms. Allocated memory was 159.4MB in the beginning and 650.1MB in the end (delta: 490.7MB). Free memory was 126.1MB in the beginning and 347.5MB in the end (delta: -221.4MB). Peak memory consumption was 269.3MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,072 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 13:05:59,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.93ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 112.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.76ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,074 INFO L158 Benchmark]: Boogie Preprocessor took 40.69ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 109.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,075 INFO L158 Benchmark]: RCFGBuilder took 775.46ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 55.9MB in the end (delta: 53.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,075 INFO L158 Benchmark]: TraceAbstraction took 59627.37ms. Allocated memory was 159.4MB in the beginning and 650.1MB in the end (delta: 490.7MB). Free memory was 54.8MB in the beginning and 353.8MB in the end (delta: -298.9MB). Peak memory consumption was 191.7MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,078 INFO L158 Benchmark]: Witness Printer took 90.85ms. Allocated memory is still 650.1MB. Free memory was 353.8MB in the beginning and 347.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-22 13:05:59,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.93ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 112.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.76ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.69ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 109.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.46ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 55.9MB in the end (delta: 53.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 59627.37ms. Allocated memory was 159.4MB in the beginning and 650.1MB in the end (delta: 490.7MB). Free memory was 54.8MB in the beginning and 353.8MB in the end (delta: -298.9MB). Peak memory consumption was 191.7MB. Max. memory is 16.1GB. * Witness Printer took 90.85ms. Allocated memory is still 650.1MB. Free memory was 353.8MB in the beginning and 347.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 68430, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 9437, dependent conditional: 9435, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 0, independent unconditional: 58993, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 0, independent unconditional: 58993, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, independent: 342, independent conditional: 0, independent unconditional: 342, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 58995, independent: 58650, independent conditional: 0, independent unconditional: 58650, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 345, unknown conditional: 0, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 343, Positive conditional cache size: 0, Positive unconditional cache size: 343, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58604, Maximal queried relation: 0, Independence queries for same thread: 9435, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 88, Number of trivial persistent sets: 68, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 68430, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 9437, dependent conditional: 9435, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 58604, independent unconditional: 389, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 0, independent unconditional: 58993, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58995, independent: 58993, independent conditional: 0, independent unconditional: 58993, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, independent: 342, independent conditional: 0, independent unconditional: 342, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 58995, independent: 58650, independent conditional: 0, independent unconditional: 58650, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 345, unknown conditional: 0, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 343, Positive conditional cache size: 0, Positive unconditional cache size: 343, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58604, Maximal queried relation: 0, Independence queries for same thread: 9435 - PositiveResult [Line: 105]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 59.4s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 33.1s, 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: 961, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 1684 NumberOfCodeBlocks, 1585 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2394 ConstructedInterpolants, 0 QuantifiedInterpolants, 17404 SizeOfPredicates, 131 NumberOfNonLiveVariables, 4698 ConjunctsInSsa, 351 ConjunctsInUnsatCore, 57 InterpolantComputations, 8 PerfectInterpolantSequences, 2630/3738 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-22 13:05:59,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-22 13:05:59,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE