./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0f41c28130c65bb66e6565b71877e71077746007ac43c6aef3ce3b863878a53a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:10:12,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:10:12,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:10:12,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:10:12,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:10:12,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:10:12,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:10:12,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:10:12,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:10:12,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:10:12,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:10:12,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:10:12,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:10:12,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:10:12,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:10:12,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:10:12,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:10:12,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:10:12,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:10:12,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:10:12,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:10:12,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:10:12,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:10:12,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:10:12,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:10:12,869 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:10:12,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> 0f41c28130c65bb66e6565b71877e71077746007ac43c6aef3ce3b863878a53a [2024-11-21 12:10:13,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:10:13,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:10:13,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:10:13,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:10:13,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:10:13,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2024-11-21 12:10:14,582 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f887f6d49/8d40d537d8e546c1b58e5cfd7d04988f/FLAGcd989602f [2024-11-21 12:10:14,815 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:10:14,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2024-11-21 12:10:14,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f887f6d49/8d40d537d8e546c1b58e5cfd7d04988f/FLAGcd989602f [2024-11-21 12:10:14,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f887f6d49/8d40d537d8e546c1b58e5cfd7d04988f [2024-11-21 12:10:14,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:10:14,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:10:14,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:10:14,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:10:14,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:10:14,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:10:14" (1/1) ... [2024-11-21 12:10:14,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61740723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:14, skipping insertion in model container [2024-11-21 12:10:14,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:10:14" (1/1) ... [2024-11-21 12:10:14,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:10:15,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[3000,3013] [2024-11-21 12:10:15,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:10:15,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:10:15,089 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[3000,3013] [2024-11-21 12:10:15,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:10:15,106 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:10:15,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15 WrapperNode [2024-11-21 12:10:15,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:10:15,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:10:15,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:10:15,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:10:15,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,155 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 236 [2024-11-21 12:10:15,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:10:15,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:10:15,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:10:15,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:10:15,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:10:15,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:10:15,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:10:15,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:10:15,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (1/1) ... [2024-11-21 12:10:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:10:15,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:10:15,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 12:10:15,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 12:10:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:10:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:10:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:10:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:10:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:10:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 12:10:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 12:10:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 12:10:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 12:10:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:10:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-21 12:10:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-21 12:10:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-21 12:10:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-21 12:10:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:10:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:10:15,259 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 12:10:15,365 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:10:15,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:10:15,640 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:10:15,641 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:10:15,882 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:10:15,882 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 12:10:15,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:10:15 BoogieIcfgContainer [2024-11-21 12:10:15,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:10:15,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:10:15,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:10:15,891 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:10:15,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:10:14" (1/3) ... [2024-11-21 12:10:15,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c205331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:10:15, skipping insertion in model container [2024-11-21 12:10:15,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:10:15" (2/3) ... [2024-11-21 12:10:15,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c205331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:10:15, skipping insertion in model container [2024-11-21 12:10:15,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:10:15" (3/3) ... [2024-11-21 12:10:15,895 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2024-11-21 12:10:15,909 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:10:15,911 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-6.wvr.c that has 7 procedures, 79 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-21 12:10:15,911 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:10:15,991 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-21 12:10:16,041 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:10:16,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:10:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:10:16,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 12:10:16,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 12:10:16,142 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:10:16,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:10:16,167 INFO L333 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;@2fea4a6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:10:16,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-21 12:10:17,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:17,446 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:17,447 INFO L139 ounterexampleChecker]: Examining path program with hash -1826306049, occurence #1 [2024-11-21 12:10:17,447 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:17,447 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:17,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash -499528229, now seen corresponding path program 1 times [2024-11-21 12:10:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:17,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819330957] [2024-11-21 12:10:17,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:17,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:17,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:17,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819330957] [2024-11-21 12:10:17,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819330957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:17,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:17,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:10:17,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789861813] [2024-11-21 12:10:17,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:17,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:10:17,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:17,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:10:17,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:10:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:17,875 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:17,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-21 12:10:17,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:17,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:10:17,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:17,994 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:17,994 INFO L139 ounterexampleChecker]: Examining path program with hash -1709651064, occurence #1 [2024-11-21 12:10:17,994 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:17,994 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:17,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:17,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1040688580, now seen corresponding path program 1 times [2024-11-21 12:10:17,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:17,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636336562] [2024-11-21 12:10:17,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:17,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636336562] [2024-11-21 12:10:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636336562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:18,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:18,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:10:18,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546183967] [2024-11-21 12:10:18,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:18,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:10:18,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:18,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:10:18,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:10:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:18,275 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:18,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-21 12:10:18,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:18,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:29,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 12:10:29,764 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:29,764 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:29,764 INFO L139 ounterexampleChecker]: Examining path program with hash -1170416675, occurence #1 [2024-11-21 12:10:29,764 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:29,764 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:29,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1054604909, now seen corresponding path program 1 times [2024-11-21 12:10:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:29,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636668837] [2024-11-21 12:10:29,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:29,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:30,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:30,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636668837] [2024-11-21 12:10:30,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636668837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:30,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:30,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 12:10:30,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922944008] [2024-11-21 12:10:30,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:30,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:10:30,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:30,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:10:30,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 12:10:30,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:30,023 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:30,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2024-11-21 12:10:30,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:30,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:30,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:35,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 12:10:35,448 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:35,448 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:35,449 INFO L139 ounterexampleChecker]: Examining path program with hash -360393375, occurence #1 [2024-11-21 12:10:35,449 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:35,449 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:35,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1646898165, now seen corresponding path program 1 times [2024-11-21 12:10:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:35,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705469339] [2024-11-21 12:10:35,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:35,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:35,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:35,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705469339] [2024-11-21 12:10:35,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705469339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:35,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 12:10:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008366059] [2024-11-21 12:10:35,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:35,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 12:10:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:35,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 12:10:35,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-21 12:10:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:35,663 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:35,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-21 12:10:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:10:43,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 12:10:43,118 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:43,118 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:43,118 INFO L139 ounterexampleChecker]: Examining path program with hash 1048513465, occurence #1 [2024-11-21 12:10:43,118 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:43,118 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:43,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:43,118 INFO L85 PathProgramCache]: Analyzing trace with hash 475112489, now seen corresponding path program 1 times [2024-11-21 12:10:43,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:43,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65662907] [2024-11-21 12:10:43,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:43,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:43,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65662907] [2024-11-21 12:10:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65662907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:43,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:43,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 12:10:43,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373068008] [2024-11-21 12:10:43,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:43,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:10:43,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:43,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:10:43,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-21 12:10:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:43,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:43,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2024-11-21 12:10:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:10:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:10:50,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:10:50,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-21 12:10:50,413 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:50,414 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:50,414 INFO L139 ounterexampleChecker]: Examining path program with hash -665741954, occurence #1 [2024-11-21 12:10:50,414 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:50,414 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:50,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:50,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2077701063, now seen corresponding path program 1 times [2024-11-21 12:10:50,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:50,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264724073] [2024-11-21 12:10:50,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:50,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:50,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:50,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264724073] [2024-11-21 12:10:50,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264724073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:50,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:50,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 12:10:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511840290] [2024-11-21 12:10:50,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:50,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 12:10:50,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:50,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 12:10:50,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-21 12:10:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:50,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:50,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-11-21 12:10:50,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:50,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:50,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:50,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:10:50,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:10:50,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:10:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:10:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:10:57,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 12:10:57,970 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:10:57,970 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:10:57,970 INFO L139 ounterexampleChecker]: Examining path program with hash -1284049048, occurence #1 [2024-11-21 12:10:57,970 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:10:57,970 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:10:57,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:10:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1126444773, now seen corresponding path program 1 times [2024-11-21 12:10:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:10:57,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989209789] [2024-11-21 12:10:57,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:10:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:10:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:10:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:10:58,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:10:58,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989209789] [2024-11-21 12:10:58,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989209789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:10:58,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:10:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-21 12:10:58,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965561393] [2024-11-21 12:10:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:10:58,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 12:10:58,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:10:58,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 12:10:58,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-21 12:10:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:10:58,167 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:10:58,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:10:58,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:11:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:11:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:11:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:11:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:11:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:11:05,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-21 12:11:05,544 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:11:05,544 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:11:05,544 INFO L139 ounterexampleChecker]: Examining path program with hash 731072512, occurence #1 [2024-11-21 12:11:05,544 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:11:05,544 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:11:05,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:11:05,545 INFO L85 PathProgramCache]: Analyzing trace with hash -18435971, now seen corresponding path program 2 times [2024-11-21 12:11:05,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:11:05,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091881448] [2024-11-21 12:11:05,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:11:05,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:11:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:11:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:11:05,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:11:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091881448] [2024-11-21 12:11:05,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091881448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:11:05,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:11:05,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 12:11:05,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895392707] [2024-11-21 12:11:05,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:11:05,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 12:11:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:11:05,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 12:11:05,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-21 12:11:05,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:11:05,745 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:11:05,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-11-21 12:11:05,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:05,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:05,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:11:05,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:11:05,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:11:05,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:11:05,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:11:05,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:11:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:11:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:11:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:11:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:11:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:11:14,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:11:14,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-21 12:11:14,358 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-21 12:11:14,358 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:11:14,358 INFO L139 ounterexampleChecker]: Examining path program with hash -493943423, occurence #1 [2024-11-21 12:11:14,358 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:11:14,358 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:11:14,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:11:14,359 INFO L85 PathProgramCache]: Analyzing trace with hash -30357395, now seen corresponding path program 2 times [2024-11-21 12:11:14,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:11:14,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88407142] [2024-11-21 12:11:14,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:11:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:11:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:11:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:11:14,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:11:14,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88407142] [2024-11-21 12:11:14,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88407142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:11:14,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:11:14,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 12:11:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875520295] [2024-11-21 12:11:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:11:14,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:11:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:11:14,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:11:14,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-21 12:11:14,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:11:14,489 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:11:14,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:11:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.