./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 01849734 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-counter-determinism.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 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 17:19:17,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:19:18,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:19:18,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:19:18,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:19:18,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:19:18,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:19:18,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:19:18,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:19:18,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:19:18,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:19:18,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:19:18,110 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:19:18,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:19:18,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:19:18,110 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:19:18,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:19:18,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:19:18,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:19:18,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:19:18,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:19:18,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:19:18,111 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:19:18,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:19:18,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:19:18,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:19:18,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:19:18,113 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:19:18,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:19:18,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:19:18,114 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:19:18,114 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:19:18,114 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/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 -> 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 [2025-04-24 17:19:18,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:19:18,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:19:18,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:19:18,372 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:19:18,373 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:19:18,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2025-04-24 17:19:19,656 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd29b4f04/c1f37ad23fe146148787d5c78eb8b8e4/FLAG4de011110 [2025-04-24 17:19:19,791 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:19:19,792 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2025-04-24 17:19:19,799 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd29b4f04/c1f37ad23fe146148787d5c78eb8b8e4/FLAG4de011110 [2025-04-24 17:19:21,707 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd29b4f04/c1f37ad23fe146148787d5c78eb8b8e4 [2025-04-24 17:19:21,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:19:21,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:19:21,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:19:21,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:19:21,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:19:21,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765840ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21, skipping insertion in model container [2025-04-24 17:19:21,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:19:21,842 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2218,2231] [2025-04-24 17:19:21,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:19:21,851 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:19:21,879 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2218,2231] [2025-04-24 17:19:21,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:19:21,891 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:19:21,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21 WrapperNode [2025-04-24 17:19:21,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:19:21,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:19:21,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:19:21,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:19:21,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,917 INFO L138 Inliner]: procedures = 20, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2025-04-24 17:19:21,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:19:21,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:19:21,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:19:21,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:19:21,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:19:21,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:19:21,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:19:21,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:19:21,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (1/1) ... [2025-04-24 17:19:21,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:19:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:21,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 17:19:21,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 17:19:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:19:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:19:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:19:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:19:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:19:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 17:19:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 17:19:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 17:19:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 17:19:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:19:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:19:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:19:22,002 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 17:19:22,065 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:19:22,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:19:22,199 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:19:22,199 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:19:22,306 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:19:22,307 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 17:19:22,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:19:22 BoogieIcfgContainer [2025-04-24 17:19:22,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:19:22,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:19:22,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:19:22,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:19:22,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:19:21" (1/3) ... [2025-04-24 17:19:22,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576a2139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:19:22, skipping insertion in model container [2025-04-24 17:19:22,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:19:21" (2/3) ... [2025-04-24 17:19:22,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576a2139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:19:22, skipping insertion in model container [2025-04-24 17:19:22,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:19:22" (3/3) ... [2025-04-24 17:19:22,315 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2025-04-24 17:19:22,323 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:19:22,325 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-counter-determinism.wvr.c that has 5 procedures, 37 locations, 36 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-24 17:19:22,325 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:19:22,373 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-24 17:19:22,398 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:19:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:19:22,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:22,400 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) [2025-04-24 17:19:22,402 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 [2025-04-24 17:19:22,452 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:19:22,462 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:19:22,466 INFO L340 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;@538c7721, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:19:22,467 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-24 17:19:22,579 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:22,579 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:22,579 INFO L139 ounterexampleChecker]: Examining path program with hash 900802133, occurence #1 [2025-04-24 17:19:22,579 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:22,580 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:22,583 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:22,583 INFO L85 PathProgramCache]: Analyzing trace with hash 853065485, now seen corresponding path program 1 times [2025-04-24 17:19:22,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:22,588 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341095641] [2025-04-24 17:19:22,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:19:22,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:22,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-24 17:19:22,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 17:19:22,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:22,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:22,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:22,878 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341095641] [2025-04-24 17:19:22,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341095641] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:19:22,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:19:22,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-24 17:19:22,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605359444] [2025-04-24 17:19:22,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:19:22,882 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 17:19:22,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:22,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 17:19:22,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-24 17:19:22,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:22,897 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:22,899 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-04-24 17:19:22,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:23,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:23,050 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:19:23,051 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:23,051 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:23,051 INFO L139 ounterexampleChecker]: Examining path program with hash -2014056366, occurence #1 [2025-04-24 17:19:23,051 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:23,051 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:23,051 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:23,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1820313507, now seen corresponding path program 1 times [2025-04-24 17:19:23,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:23,052 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794077587] [2025-04-24 17:19:23,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:19:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:23,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-04-24 17:19:23,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-24 17:19:23,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:23,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:23,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:23,216 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794077587] [2025-04-24 17:19:23,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794077587] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:19:23,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:19:23,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-24 17:19:23,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706541764] [2025-04-24 17:19:23,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:19:23,217 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 17:19:23,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:23,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 17:19:23,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-24 17:19:23,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:23,218 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:23,218 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2025-04-24 17:19:23,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:23,218 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:23,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:23,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:23,366 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 17:19:23,366 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:23,366 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:23,366 INFO L139 ounterexampleChecker]: Examining path program with hash -118952671, occurence #1 [2025-04-24 17:19:23,366 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:23,367 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:23,367 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:23,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1397851521, now seen corresponding path program 1 times [2025-04-24 17:19:23,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:23,367 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854390987] [2025-04-24 17:19:23,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:19:23,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:23,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-24 17:19:23,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-24 17:19:23,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:23,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:23,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:23,511 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854390987] [2025-04-24 17:19:23,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854390987] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:23,511 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100158270] [2025-04-24 17:19:23,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:19:23,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:23,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:23,525 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) [2025-04-24 17:19:23,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 17:19:23,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-24 17:19:23,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-24 17:19:23,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:23,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:23,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 17:19:23,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:23,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:19:23,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100158270] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:23,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:23,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2025-04-24 17:19:23,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668610887] [2025-04-24 17:19:23,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:23,803 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 17:19:23,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:23,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 17:19:23,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-04-24 17:19:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:23,805 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:23,805 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.4) internal successors, (96), 15 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) [2025-04-24 17:19:23,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:23,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:23,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:24,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:24,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:24,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:24,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:24,587 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-04-24 17:19:24,587 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:24,587 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:24,587 INFO L139 ounterexampleChecker]: Examining path program with hash 2094151056, occurence #1 [2025-04-24 17:19:24,587 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:24,587 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:24,588 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:24,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2109653841, now seen corresponding path program 2 times [2025-04-24 17:19:24,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:24,588 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186308586] [2025-04-24 17:19:24,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:19:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:24,596 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-04-24 17:19:24,613 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 59 of 59 statements. [2025-04-24 17:19:24,613 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:19:24,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 17:19:24,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:24,718 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186308586] [2025-04-24 17:19:24,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186308586] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:24,718 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68989566] [2025-04-24 17:19:24,718 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:19:24,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:24,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:24,720 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) [2025-04-24 17:19:24,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 17:19:24,761 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-04-24 17:19:24,784 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 59 of 59 statements. [2025-04-24 17:19:24,785 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:19:24,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:24,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 17:19:24,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:25,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 17:19:25,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68989566] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:25,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:25,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 7] total 22 [2025-04-24 17:19:25,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696513564] [2025-04-24 17:19:25,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:25,130 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-24 17:19:25,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:25,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-24 17:19:25,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-04-24 17:19:25,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:25,133 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:25,133 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.818181818181818) internal successors, (128), 22 states have internal predecessors, (128), 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) [2025-04-24 17:19:25,133 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:25,133 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:25,133 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:25,133 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:26,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:26,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:26,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:19:26,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:26,600 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:26,601 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:26,601 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:26,601 INFO L139 ounterexampleChecker]: Examining path program with hash -140973378, occurence #1 [2025-04-24 17:19:26,601 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:26,601 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:26,601 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:26,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1530155673, now seen corresponding path program 3 times [2025-04-24 17:19:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:26,601 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973795233] [2025-04-24 17:19:26,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:19:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:26,608 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 3 equivalence classes. [2025-04-24 17:19:26,629 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 86 of 86 statements. [2025-04-24 17:19:26,630 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 17:19:26,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-04-24 17:19:26,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:26,761 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973795233] [2025-04-24 17:19:26,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973795233] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:26,761 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476678738] [2025-04-24 17:19:26,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:19:26,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:26,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:26,764 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) [2025-04-24 17:19:26,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 17:19:26,803 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 3 equivalence classes. [2025-04-24 17:19:26,829 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 86 of 86 statements. [2025-04-24 17:19:26,829 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 17:19:26,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:26,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:19:26,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-24 17:19:26,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-04-24 17:19:27,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476678738] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:27,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:19:27,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 10] total 20 [2025-04-24 17:19:27,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94996093] [2025-04-24 17:19:27,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:19:27,061 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 17:19:27,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:27,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 17:19:27,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2025-04-24 17:19:27,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:27,062 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:27,062 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2025-04-24 17:19:27,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:27,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:19:27,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:27,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:27,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:19:27,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:27,383 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:27,383 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:27,383 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:27,384 INFO L139 ounterexampleChecker]: Examining path program with hash -2083129605, occurence #1 [2025-04-24 17:19:27,384 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:27,384 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:27,384 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:27,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1968876373, now seen corresponding path program 4 times [2025-04-24 17:19:27,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:27,384 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394370270] [2025-04-24 17:19:27,384 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:19:27,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:27,389 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 56 statements into 2 equivalence classes. [2025-04-24 17:19:27,394 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 55 of 56 statements. [2025-04-24 17:19:27,394 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:19:27,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-24 17:19:27,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:27,457 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394370270] [2025-04-24 17:19:27,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394370270] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:27,457 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442883727] [2025-04-24 17:19:27,457 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:19:27,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:27,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:27,459 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) [2025-04-24 17:19:27,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 17:19:27,505 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 56 statements into 2 equivalence classes. [2025-04-24 17:19:27,523 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 55 of 56 statements. [2025-04-24 17:19:27,523 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:19:27,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:27,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:19:27,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:27,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 17:19:27,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442883727] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:27,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:27,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 15 [2025-04-24 17:19:27,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482516668] [2025-04-24 17:19:27,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:27,722 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 17:19:27,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:27,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 17:19:27,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-04-24 17:19:27,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:27,724 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:27,724 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 states have internal predecessors, (104), 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) [2025-04-24 17:19:27,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:27,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:19:27,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:27,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:28,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:28,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:28,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:28,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:19:28,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:28,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:19:28,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:28,841 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 17:19:28,841 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:28,841 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:28,841 INFO L139 ounterexampleChecker]: Examining path program with hash -2036655320, occurence #1 [2025-04-24 17:19:28,841 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:28,841 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:28,841 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:28,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1644715873, now seen corresponding path program 5 times [2025-04-24 17:19:28,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:28,842 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85733129] [2025-04-24 17:19:28,842 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:19:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:28,848 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 110 statements into 6 equivalence classes. [2025-04-24 17:19:28,861 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 110 of 110 statements. [2025-04-24 17:19:28,861 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 17:19:28,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-04-24 17:19:29,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:29,067 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85733129] [2025-04-24 17:19:29,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85733129] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:19:29,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:19:29,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-24 17:19:29,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4363713] [2025-04-24 17:19:29,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:19:29,068 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 17:19:29,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:29,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 17:19:29,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-24 17:19:29,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:29,069 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:29,069 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2025-04-24 17:19:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:19:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:29,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:19:29,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:29,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:29,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:29,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:29,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:19:29,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:29,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:19:29,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:29,186 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-24 17:19:29,186 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:29,186 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:29,187 INFO L139 ounterexampleChecker]: Examining path program with hash -567698425, occurence #1 [2025-04-24 17:19:29,187 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:29,187 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:29,188 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:29,188 INFO L85 PathProgramCache]: Analyzing trace with hash 9879491, now seen corresponding path program 6 times [2025-04-24 17:19:29,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:29,188 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429782966] [2025-04-24 17:19:29,188 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:19:29,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:29,195 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 6 equivalence classes. [2025-04-24 17:19:29,215 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 95 of 95 statements. [2025-04-24 17:19:29,218 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 17:19:29,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-04-24 17:19:29,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:29,770 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429782966] [2025-04-24 17:19:29,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429782966] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:29,770 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19674861] [2025-04-24 17:19:29,770 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:19:29,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:29,774 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) [2025-04-24 17:19:29,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 17:19:29,815 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 6 equivalence classes. [2025-04-24 17:19:29,848 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 95 of 95 statements. [2025-04-24 17:19:29,849 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 17:19:29,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:29,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-24 17:19:29,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 17:19:30,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 17:19:30,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19674861] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:30,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:30,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 10] total 22 [2025-04-24 17:19:30,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908673701] [2025-04-24 17:19:30,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:30,723 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-24 17:19:30,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:30,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-24 17:19:30,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2025-04-24 17:19:30,723 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:30,724 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:30,724 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.565217391304348) internal successors, (151), 22 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) [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:30,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:30,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:30,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:30,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:31,104 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:31,104 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:31,104 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:31,104 INFO L139 ounterexampleChecker]: Examining path program with hash 127837581, occurence #1 [2025-04-24 17:19:31,104 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:31,104 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:31,105 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:31,105 INFO L85 PathProgramCache]: Analyzing trace with hash 572576391, now seen corresponding path program 7 times [2025-04-24 17:19:31,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:31,105 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676039373] [2025-04-24 17:19:31,105 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:19:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:31,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-04-24 17:19:31,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-04-24 17:19:31,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:31,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-04-24 17:19:31,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:31,295 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676039373] [2025-04-24 17:19:31,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676039373] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:31,295 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865661939] [2025-04-24 17:19:31,295 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:19:31,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:31,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:31,297 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) [2025-04-24 17:19:31,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 17:19:31,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-04-24 17:19:31,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-04-24 17:19:31,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:31,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:31,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 17:19:31,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 1 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:31,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 38 proven. 62 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 17:19:31,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865661939] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:31,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:31,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17, 8] total 25 [2025-04-24 17:19:31,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600646270] [2025-04-24 17:19:31,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:31,832 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-24 17:19:31,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:31,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-24 17:19:31,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2025-04-24 17:19:31,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:31,832 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:31,833 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 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) [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:31,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:32,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:32,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:32,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:33,054 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-24 17:19:33,054 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:33,054 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:33,054 INFO L139 ounterexampleChecker]: Examining path program with hash 567093022, occurence #1 [2025-04-24 17:19:33,054 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:33,054 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:33,055 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:33,055 INFO L85 PathProgramCache]: Analyzing trace with hash -364304525, now seen corresponding path program 8 times [2025-04-24 17:19:33,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:33,055 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825679588] [2025-04-24 17:19:33,055 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:19:33,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:33,061 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 158 statements into 2 equivalence classes. [2025-04-24 17:19:33,076 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 158 of 158 statements. [2025-04-24 17:19:33,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:19:33,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 40 proven. 175 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-04-24 17:19:33,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:33,327 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825679588] [2025-04-24 17:19:33,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825679588] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:33,327 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73256578] [2025-04-24 17:19:33,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:19:33,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:33,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:33,329 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) [2025-04-24 17:19:33,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 17:19:33,373 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 158 statements into 2 equivalence classes. [2025-04-24 17:19:33,411 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 158 of 158 statements. [2025-04-24 17:19:33,412 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:19:33,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:33,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 17:19:33,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 1 proven. 413 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:33,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 169 proven. 74 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-04-24 17:19:34,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73256578] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:34,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:34,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 27, 9] total 40 [2025-04-24 17:19:34,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067915690] [2025-04-24 17:19:34,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:34,168 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-04-24 17:19:34,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:34,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-04-24 17:19:34,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1376, Unknown=0, NotChecked=0, Total=1560 [2025-04-24 17:19:34,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:34,169 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:34,170 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.85) internal successors, (274), 40 states have internal predecessors, (274), 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) [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:34,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:36,667 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:36,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-04-24 17:19:36,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 17:19:36,868 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:36,869 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:36,869 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:36,869 INFO L139 ounterexampleChecker]: Examining path program with hash 811834724, occurence #1 [2025-04-24 17:19:36,869 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:36,869 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:36,869 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:36,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1644405955, now seen corresponding path program 9 times [2025-04-24 17:19:36,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:36,870 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870040330] [2025-04-24 17:19:36,870 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:19:36,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:36,876 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 10 equivalence classes. [2025-04-24 17:19:36,940 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 179 of 179 statements. [2025-04-24 17:19:36,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-04-24 17:19:36,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-24 17:19:38,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:38,161 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870040330] [2025-04-24 17:19:38,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870040330] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:38,162 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416334126] [2025-04-24 17:19:38,162 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:19:38,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:38,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:38,163 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) [2025-04-24 17:19:38,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 17:19:38,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 10 equivalence classes. [2025-04-24 17:19:38,255 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 179 of 179 statements. [2025-04-24 17:19:38,256 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-04-24 17:19:38,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:38,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 213 conjuncts are in the unsatisfiable core [2025-04-24 17:19:38,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-04-24 17:19:38,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-04-24 17:19:38,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416334126] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:38,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:38,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 5] total 28 [2025-04-24 17:19:38,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249705490] [2025-04-24 17:19:38,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:38,794 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-24 17:19:38,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:38,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-24 17:19:38,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2025-04-24 17:19:38,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:38,795 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:38,795 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.862068965517241) internal successors, (199), 28 states have internal predecessors, (199), 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) [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-04-24 17:19:38,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:39,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:19:39,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:19:39,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 17:19:39,571 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:39,571 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:39,571 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:39,572 INFO L139 ounterexampleChecker]: Examining path program with hash 1449207639, occurence #1 [2025-04-24 17:19:39,572 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:39,572 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:39,572 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:39,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2043791097, now seen corresponding path program 10 times [2025-04-24 17:19:39,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:39,572 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935022666] [2025-04-24 17:19:39,572 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:19:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:39,580 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 269 statements into 2 equivalence classes. [2025-04-24 17:19:39,630 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 268 of 269 statements. [2025-04-24 17:19:39,631 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:19:39,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 504 proven. 162 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-04-24 17:19:40,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:40,540 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935022666] [2025-04-24 17:19:40,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935022666] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:40,540 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292252066] [2025-04-24 17:19:40,541 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:19:40,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:40,543 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) [2025-04-24 17:19:40,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 17:19:40,609 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 269 statements into 2 equivalence classes. [2025-04-24 17:19:40,666 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 268 of 269 statements. [2025-04-24 17:19:40,667 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:19:40,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:40,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-24 17:19:40,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 12 proven. 843 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 17:19:41,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 12 proven. 154 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2025-04-24 17:19:41,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292252066] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:41,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:41,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 41, 7] total 62 [2025-04-24 17:19:41,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556408865] [2025-04-24 17:19:41,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:41,915 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-24 17:19:41,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:41,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-24 17:19:41,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=3425, Unknown=0, NotChecked=0, Total=3782 [2025-04-24 17:19:41,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:41,917 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:41,917 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.241935483870968) internal successors, (387), 62 states have internal predecessors, (387), 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) [2025-04-24 17:19:41,917 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:19:41,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:50,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:19:50,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-04-24 17:19:50,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:50,782 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-24 17:19:50,782 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:50,782 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:50,784 INFO L139 ounterexampleChecker]: Examining path program with hash 648624561, occurence #1 [2025-04-24 17:19:50,784 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:50,784 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:50,784 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:50,784 INFO L85 PathProgramCache]: Analyzing trace with hash -233756563, now seen corresponding path program 11 times [2025-04-24 17:19:50,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:50,784 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244600076] [2025-04-24 17:19:50,784 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:19:50,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:50,796 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 407 statements into 27 equivalence classes. [2025-04-24 17:19:50,861 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) and asserted 407 of 407 statements. [2025-04-24 17:19:50,862 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2025-04-24 17:19:50,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 499 proven. 1747 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2025-04-24 17:19:53,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:53,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244600076] [2025-04-24 17:19:53,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244600076] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:53,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379723519] [2025-04-24 17:19:53,574 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:19:53,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:53,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:53,575 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) [2025-04-24 17:19:53,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 17:19:53,640 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 407 statements into 27 equivalence classes. [2025-04-24 17:19:53,752 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) and asserted 407 of 407 statements. [2025-04-24 17:19:53,753 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2025-04-24 17:19:53,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:53,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-04-24 17:19:53,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 499 proven. 1299 refuted. 0 times theorem prover too weak. 2362 trivial. 0 not checked. [2025-04-24 17:19:54,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 499 proven. 1299 refuted. 0 times theorem prover too weak. 2362 trivial. 0 not checked. [2025-04-24 17:19:54,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379723519] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:54,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:54,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 6 [2025-04-24 17:19:54,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824807855] [2025-04-24 17:19:54,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:54,409 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 17:19:54,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:54,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 17:19:54,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-04-24 17:19:54,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:54,409 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:54,410 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-04-24 17:19:54,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:54,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2025-04-24 17:19:54,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:54,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-24 17:19:54,998 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:54,998 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:19:54,998 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:19:54,999 INFO L139 ounterexampleChecker]: Examining path program with hash 1597392711, occurence #1 [2025-04-24 17:19:54,999 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:19:54,999 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:54,999 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:54,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1268862615, now seen corresponding path program 12 times [2025-04-24 17:19:54,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:54,999 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128131621] [2025-04-24 17:19:55,000 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:19:55,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:55,011 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 461 statements into 28 equivalence classes. [2025-04-24 17:19:55,171 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) and asserted 461 of 461 statements. [2025-04-24 17:19:55,171 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2025-04-24 17:19:55,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 1791 proven. 326 refuted. 0 times theorem prover too weak. 2615 trivial. 0 not checked. [2025-04-24 17:19:56,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:56,785 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128131621] [2025-04-24 17:19:56,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128131621] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:56,785 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100103821] [2025-04-24 17:19:56,785 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:19:56,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:56,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:56,787 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) [2025-04-24 17:19:56,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 17:19:56,862 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 461 statements into 28 equivalence classes. [2025-04-24 17:19:57,014 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) and asserted 461 of 461 statements. [2025-04-24 17:19:57,014 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2025-04-24 17:19:57,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:57,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-24 17:19:57,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 8 proven. 4724 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:58,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 1873 proven. 329 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2025-04-24 17:19:59,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100103821] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:59,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:59,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 74, 15] total 94 [2025-04-24 17:19:59,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105504229] [2025-04-24 17:19:59,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:59,318 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2025-04-24 17:19:59,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:59,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2025-04-24 17:19:59,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=954, Invalid=7788, Unknown=0, NotChecked=0, Total=8742 [2025-04-24 17:19:59,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:59,321 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:59,322 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.861702127659575) internal successors, (645), 94 states have internal predecessors, (645), 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) [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:59,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:06,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:06,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:06,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2025-04-24 17:20:06,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-24 17:20:07,175 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-24 17:20:07,175 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:20:07,175 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:20:07,176 INFO L139 ounterexampleChecker]: Examining path program with hash 1766969495, occurence #1 [2025-04-24 17:20:07,176 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:20:07,176 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:20:07,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:20:07,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1975177797, now seen corresponding path program 13 times [2025-04-24 17:20:07,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:20:07,176 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992615774] [2025-04-24 17:20:07,176 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:20:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:20:07,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 323 statements into 1 equivalence classes. [2025-04-24 17:20:07,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 323 of 323 statements. [2025-04-24 17:20:07,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:20:07,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 2841 trivial. 0 not checked. [2025-04-24 17:20:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:20:10,983 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992615774] [2025-04-24 17:20:10,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992615774] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:20:10,983 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484578159] [2025-04-24 17:20:10,984 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:20:10,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:20:10,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:20:10,985 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) [2025-04-24 17:20:10,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 17:20:11,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 323 statements into 1 equivalence classes. [2025-04-24 17:20:11,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 323 of 323 statements. [2025-04-24 17:20:11,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:20:11,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:11,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 307 conjuncts are in the unsatisfiable core [2025-04-24 17:20:11,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:20:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 3 proven. 344 refuted. 0 times theorem prover too weak. 3014 trivial. 0 not checked. [2025-04-24 17:20:11,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:20:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 3014 trivial. 0 not checked. [2025-04-24 17:20:13,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484578159] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:20:13,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:20:13,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2025-04-24 17:20:13,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836805021] [2025-04-24 17:20:13,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:20:13,233 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-24 17:20:13,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:20:13,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-24 17:20:13,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2025-04-24 17:20:13,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:13,234 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:20:13,234 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.5) internal successors, (169), 25 states have internal predecessors, (169), 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) [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2025-04-24 17:20:13,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:14,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:14,428 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:20:14,428 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:14,428 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2025-04-24 17:20:14,428 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:14,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-24 17:20:14,628 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-24 17:20:14,629 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:20:14,629 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:20:14,629 INFO L139 ounterexampleChecker]: Examining path program with hash 1400495072, occurence #1 [2025-04-24 17:20:14,629 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:20:14,629 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:20:14,629 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:20:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1308601251, now seen corresponding path program 14 times [2025-04-24 17:20:14,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:20:14,630 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132012159] [2025-04-24 17:20:14,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:20:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:20:14,640 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 422 statements into 2 equivalence classes. [2025-04-24 17:20:14,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 422 of 422 statements. [2025-04-24 17:20:14,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:20:14,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1408 proven. 655 refuted. 0 times theorem prover too weak. 2752 trivial. 0 not checked. [2025-04-24 17:20:15,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:20:15,818 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132012159] [2025-04-24 17:20:15,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132012159] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:20:15,818 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838949633] [2025-04-24 17:20:15,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:20:15,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:20:15,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:20:15,820 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) [2025-04-24 17:20:15,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 17:20:15,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 422 statements into 2 equivalence classes. [2025-04-24 17:20:15,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 422 of 422 statements. [2025-04-24 17:20:15,955 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:20:15,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:15,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-04-24 17:20:15,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:20:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 2 proven. 4813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:20:17,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:20:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1466 proven. 334 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2025-04-24 17:20:17,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838949633] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:20:17,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:20:17,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 69, 14] total 88 [2025-04-24 17:20:17,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678986270] [2025-04-24 17:20:17,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:20:17,983 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-04-24 17:20:17,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:20:17,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-04-24 17:20:17,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=6930, Unknown=0, NotChecked=0, Total=7656 [2025-04-24 17:20:17,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:17,986 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:20:17,986 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.875) internal successors, (605), 88 states have internal predecessors, (605), 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) [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:17,987 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:24,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:20:24,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-24 17:20:24,200 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-24 17:20:24,201 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:20:24,201 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:20:24,201 INFO L139 ounterexampleChecker]: Examining path program with hash -371593604, occurence #1 [2025-04-24 17:20:24,201 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:20:24,201 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:20:24,201 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:20:24,201 INFO L85 PathProgramCache]: Analyzing trace with hash -478283611, now seen corresponding path program 15 times [2025-04-24 17:20:24,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:20:24,202 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738932240] [2025-04-24 17:20:24,202 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:20:24,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:20:24,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 503 statements into 32 equivalence classes. [2025-04-24 17:20:24,360 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 17:20:24,360 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2025-04-24 17:20:24,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5896 backedges. 2411 proven. 391 refuted. 0 times theorem prover too weak. 3094 trivial. 0 not checked. [2025-04-24 17:20:26,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:20:26,074 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738932240] [2025-04-24 17:20:26,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738932240] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:20:26,074 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320640028] [2025-04-24 17:20:26,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:20:26,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:20:26,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:20:26,076 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) [2025-04-24 17:20:26,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 17:20:26,140 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 503 statements into 32 equivalence classes. [2025-04-24 17:20:26,297 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 17:20:26,297 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2025-04-24 17:20:26,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:26,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-04-24 17:20:26,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:20:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5896 backedges. 2 proven. 5894 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:20:28,305 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:20:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5896 backedges. 2174 proven. 420 refuted. 0 times theorem prover too weak. 3302 trivial. 0 not checked. [2025-04-24 17:20:28,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320640028] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:20:28,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:20:28,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 81, 18] total 106 [2025-04-24 17:20:28,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40456424] [2025-04-24 17:20:28,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:20:28,947 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-04-24 17:20:28,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:20:28,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-04-24 17:20:28,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=10453, Unknown=0, NotChecked=0, Total=11130 [2025-04-24 17:20:28,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:28,950 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:20:28,951 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 6.990566037735849) internal successors, (741), 106 states have internal predecessors, (741), 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) [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:20:28,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:28,952 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:20:28,952 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:28,952 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:20:28,952 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:44,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:20:44,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:44,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:20:44,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:44,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:20:44,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:20:44,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 17:20:45,084 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-24 17:20:45,084 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:20:45,085 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:20:45,085 INFO L139 ounterexampleChecker]: Examining path program with hash 1015836943, occurence #1 [2025-04-24 17:20:45,085 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:20:45,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:20:45,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:20:45,086 INFO L85 PathProgramCache]: Analyzing trace with hash -806502795, now seen corresponding path program 16 times [2025-04-24 17:20:45,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:20:45,086 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759092271] [2025-04-24 17:20:45,086 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:20:45,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:20:45,097 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 551 statements into 2 equivalence classes. [2025-04-24 17:20:45,242 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 550 of 551 statements. [2025-04-24 17:20:45,243 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:20:45,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 80 proven. 2826 refuted. 0 times theorem prover too weak. 3577 trivial. 0 not checked. [2025-04-24 17:20:49,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:20:49,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759092271] [2025-04-24 17:20:49,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759092271] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:20:49,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637064086] [2025-04-24 17:20:49,105 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:20:49,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:20:49,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:20:49,107 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) [2025-04-24 17:20:49,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 17:20:49,186 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 551 statements into 2 equivalence classes. [2025-04-24 17:20:49,281 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 550 of 551 statements. [2025-04-24 17:20:49,281 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:20:49,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:49,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 88 conjuncts are in the unsatisfiable core [2025-04-24 17:20:49,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:20:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 22 proven. 6389 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 17:20:52,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:20:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 22 proven. 794 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2025-04-24 17:20:52,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637064086] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:20:52,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:20:52,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 89, 8] total 126 [2025-04-24 17:20:52,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269691779] [2025-04-24 17:20:52,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:20:52,633 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2025-04-24 17:20:52,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:20:52,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2025-04-24 17:20:52,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=15061, Unknown=0, NotChecked=0, Total=15750 [2025-04-24 17:20:52,641 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:52,641 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:20:52,641 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 5.896825396825397) internal successors, (743), 126 states have internal predecessors, (743), 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) [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:20:52,641 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:17,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:21:17,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 511 states. [2025-04-24 17:21:17,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 17:21:17,567 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-24 17:21:17,568 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:21:17,568 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:17,569 INFO L139 ounterexampleChecker]: Examining path program with hash 1400495072, occurence #2 [2025-04-24 17:21:17,569 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:21:17,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:21:17,571 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:17,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:21:17,571 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:17,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:21:17,571 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:17,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:21:17,571 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 17:21:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 17:21:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 17:21:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 17:21:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 17:21:17,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:17,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 797 [2025-04-24 17:21:17,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:17,572 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:21:17,572 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:17,572 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash -902015443, now seen corresponding path program 17 times [2025-04-24 17:21:17,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:17,573 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191752173] [2025-04-24 17:21:17,573 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:21:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:17,589 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 800 statements into 55 equivalence classes. [2025-04-24 17:21:17,800 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) and asserted 800 of 800 statements. [2025-04-24 17:21:17,800 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) [2025-04-24 17:21:17,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 17986 backedges. 6829 proven. 359 refuted. 0 times theorem prover too weak. 10798 trivial. 0 not checked. [2025-04-24 17:21:23,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:23,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191752173] [2025-04-24 17:21:23,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191752173] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:23,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439770516] [2025-04-24 17:21:23,455 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:21:23,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:23,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:23,457 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) [2025-04-24 17:21:23,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 17:21:23,558 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 800 statements into 55 equivalence classes. [2025-04-24 17:21:23,824 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) and asserted 800 of 800 statements. [2025-04-24 17:21:23,824 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) [2025-04-24 17:21:23,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:23,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-04-24 17:21:23,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:21:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17986 backedges. 2 proven. 17984 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:28,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:21:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 17986 backedges. 6829 proven. 359 refuted. 0 times theorem prover too weak. 10798 trivial. 0 not checked. [2025-04-24 17:21:29,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439770516] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:21:29,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:21:29,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 131, 24] total 161 [2025-04-24 17:21:29,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891686512] [2025-04-24 17:21:29,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:21:29,139 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2025-04-24 17:21:29,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:21:29,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2025-04-24 17:21:29,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1862, Invalid=23898, Unknown=0, NotChecked=0, Total=25760 [2025-04-24 17:21:29,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:29,147 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:21:29,147 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 6.565217391304348) internal successors, (1057), 161 states have internal predecessors, (1057), 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) [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:21:29,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:21:29,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 511 states. [2025-04-24 17:21:29,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:48,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:48,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:48,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:21:48,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 511 states. [2025-04-24 17:21:48,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-24 17:21:48,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-24 17:21:48,322 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:48,322 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:21:48,322 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:48,322 INFO L139 ounterexampleChecker]: Examining path program with hash 1400495072, occurence #3 [2025-04-24 17:21:48,322 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:21:48,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:21:48,322 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:48,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:21:48,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:21:48,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:21:48,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 825 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 828 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 834 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 837 [2025-04-24 17:21:48,323 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 840 [2025-04-24 17:21:48,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 843 [2025-04-24 17:21:48,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:48,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 845 [2025-04-24 17:21:48,324 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:48,324 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:21:48,324 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:48,324 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:48,324 INFO L85 PathProgramCache]: Analyzing trace with hash 499912943, now seen corresponding path program 18 times [2025-04-24 17:21:48,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:48,324 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723983593] [2025-04-24 17:21:48,324 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:21:48,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:48,341 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 848 statements into 57 equivalence classes. [2025-04-24 17:21:48,832 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) and asserted 848 of 848 statements. [2025-04-24 17:21:48,832 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) [2025-04-24 17:21:48,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 19498 backedges. 7232 proven. 1471 refuted. 0 times theorem prover too weak. 10795 trivial. 0 not checked. [2025-04-24 17:21:55,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:55,629 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723983593] [2025-04-24 17:21:55,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723983593] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:55,629 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964292875] [2025-04-24 17:21:55,629 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:21:55,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:55,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:55,631 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) [2025-04-24 17:21:55,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 17:21:55,724 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 848 statements into 57 equivalence classes. [2025-04-24 17:21:56,132 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) and asserted 848 of 848 statements. [2025-04-24 17:21:56,132 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) [2025-04-24 17:21:56,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:56,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-04-24 17:21:56,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:22:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 19498 backedges. 2 proven. 19496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:22:01,317 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:22:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 19498 backedges. 7374 proven. 814 refuted. 0 times theorem prover too weak. 11310 trivial. 0 not checked. [2025-04-24 17:22:02,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964292875] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:22:02,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:22:02,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 141, 30] total 171 [2025-04-24 17:22:02,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077909464] [2025-04-24 17:22:02,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:22:02,543 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2025-04-24 17:22:02,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:22:02,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2025-04-24 17:22:02,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1388, Invalid=27682, Unknown=0, NotChecked=0, Total=29070 [2025-04-24 17:22:02,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:22:02,549 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:22:02,549 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 6.333333333333333) internal successors, (1083), 171 states have internal predecessors, (1083), 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) [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 511 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-24 17:22:02,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:22:22,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:22:22,139 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:22:22,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 17:22:22,339 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:22:22,339 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:22:22,339 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:22:22,340 INFO L139 ounterexampleChecker]: Examining path program with hash -503941440, occurence #1 [2025-04-24 17:22:22,340 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:22:22,340 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:22:22,340 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:22:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash 382412833, now seen corresponding path program 19 times [2025-04-24 17:22:22,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:22:22,341 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626853285] [2025-04-24 17:22:22,341 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:22:22,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:22:22,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 905 statements into 1 equivalence classes. [2025-04-24 17:22:22,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 905 of 905 statements. [2025-04-24 17:22:22,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:22:22,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:22:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21114 backedges. 8832 proven. 960 refuted. 0 times theorem prover too weak. 11322 trivial. 0 not checked. [2025-04-24 17:22:30,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:22:30,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626853285] [2025-04-24 17:22:30,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626853285] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:22:30,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802541593] [2025-04-24 17:22:30,206 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:22:30,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:22:30,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:22:30,208 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:22:30,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 17:22:30,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 905 statements into 1 equivalence classes. [2025-04-24 17:22:30,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 905 of 905 statements. [2025-04-24 17:22:30,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:22:30,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:22:30,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 149 conjuncts are in the unsatisfiable core [2025-04-24 17:22:30,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:22:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 21114 backedges. 3 proven. 21111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:22:36,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:22:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21114 backedges. 8999 proven. 266 refuted. 0 times theorem prover too weak. 11849 trivial. 0 not checked. [2025-04-24 17:22:37,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802541593] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:22:37,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:22:37,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 150, 32] total 185 [2025-04-24 17:22:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269782774] [2025-04-24 17:22:37,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:22:37,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2025-04-24 17:22:37,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:22:37,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2025-04-24 17:22:37,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=32150, Unknown=0, NotChecked=0, Total=34040 [2025-04-24 17:22:37,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:22:37,416 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:22:37,417 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 6.437837837837838) internal successors, (1191), 185 states have internal predecessors, (1191), 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) [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:22:37,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:23:00,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:23:00,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:23:00,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 17:23:00,697 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:23:00,697 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:23:00,697 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:23:00,698 INFO L139 ounterexampleChecker]: Examining path program with hash -113625074, occurence #1 [2025-04-24 17:23:00,698 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:23:00,698 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:23:00,698 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:23:00,699 INFO L85 PathProgramCache]: Analyzing trace with hash -918396331, now seen corresponding path program 20 times [2025-04-24 17:23:00,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:23:00,699 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149125236] [2025-04-24 17:23:00,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:23:00,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:23:00,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 899 statements into 2 equivalence classes. [2025-04-24 17:23:01,213 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 899 of 899 statements. [2025-04-24 17:23:01,213 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:23:01,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:24:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21599 backedges. 0 proven. 9223 refuted. 0 times theorem prover too weak. 12376 trivial. 0 not checked. [2025-04-24 17:24:02,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:24:02,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149125236] [2025-04-24 17:24:02,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149125236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:24:02,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899994179] [2025-04-24 17:24:02,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:24:02,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:24:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:24:02,236 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:24:02,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 17:24:02,333 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 899 statements into 2 equivalence classes. [2025-04-24 17:24:02,528 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 899 of 899 statements. [2025-04-24 17:24:02,529 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:24:02,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:24:02,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 2356 conjuncts, 881 conjuncts are in the unsatisfiable core [2025-04-24 17:24:02,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:24:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21599 backedges. 467 proven. 8936 refuted. 0 times theorem prover too weak. 12196 trivial. 0 not checked. [2025-04-24 17:24:04,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:24:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21599 backedges. 402 proven. 9001 refuted. 0 times theorem prover too weak. 12196 trivial. 0 not checked. [2025-04-24 17:24:09,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899994179] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:24:09,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:24:09,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 36, 37] total 101 [2025-04-24 17:24:09,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43266079] [2025-04-24 17:24:09,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:24:09,866 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2025-04-24 17:24:09,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:24:09,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2025-04-24 17:24:09,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2219, Invalid=8083, Unknown=0, NotChecked=0, Total=10302 [2025-04-24 17:24:09,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:24:09,868 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:24:09,868 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.0588235294117645) internal successors, (618), 101 states have internal predecessors, (618), 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) [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:24:09,868 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:24:09,869 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:24:09,869 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:24:09,869 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:24:11,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:24:11,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:24:11,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-24 17:24:11,430 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-24 17:24:11,430 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:24:11,430 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:24:11,431 INFO L139 ounterexampleChecker]: Examining path program with hash 444753185, occurence #1 [2025-04-24 17:24:11,431 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:24:11,431 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:24:11,431 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:24:11,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1764267293, now seen corresponding path program 21 times [2025-04-24 17:24:11,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:24:11,431 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903247431] [2025-04-24 17:24:11,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:24:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:24:11,447 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 785 statements into 50 equivalence classes. [2025-04-24 17:24:12,014 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) and asserted 785 of 785 statements. [2025-04-24 17:24:12,014 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2025-04-24 17:24:12,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:24:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 15193 backedges. 2104 proven. 1252 refuted. 0 times theorem prover too weak. 11837 trivial. 0 not checked. [2025-04-24 17:24:17,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:24:17,575 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903247431] [2025-04-24 17:24:17,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903247431] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:24:17,575 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897909612] [2025-04-24 17:24:17,575 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:24:17,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:24:17,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:24:17,577 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:24:17,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 17:24:17,662 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 785 statements into 50 equivalence classes. [2025-04-24 17:24:18,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) and asserted 785 of 785 statements. [2025-04-24 17:24:18,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2025-04-24 17:24:18,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:24:18,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-04-24 17:24:18,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:24:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15193 backedges. 680 proven. 14513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:24:22,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:24:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 15193 backedges. 2135 proven. 682 refuted. 0 times theorem prover too weak. 12376 trivial. 0 not checked. [2025-04-24 17:24:23,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897909612] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:24:23,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:24:23,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 130, 35] total 168 [2025-04-24 17:24:23,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618334520] [2025-04-24 17:24:23,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:24:23,714 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2025-04-24 17:24:23,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:24:23,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2025-04-24 17:24:23,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1719, Invalid=26337, Unknown=0, NotChecked=0, Total=28056 [2025-04-24 17:24:23,717 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:24:23,717 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:24:23,717 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 6.273809523809524) internal successors, (1054), 168 states have internal predecessors, (1054), 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) [2025-04-24 17:24:23,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:23,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:23,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:23,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:24:23,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:23,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:24:23,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:24:45,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:24:45,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 17:24:45,566 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:24:45,566 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:24:45,566 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:24:45,566 INFO L139 ounterexampleChecker]: Examining path program with hash 444753185, occurence #2 [2025-04-24 17:24:45,566 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:24:45,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:24:45,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:24:45,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:24:45,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:24:45,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 756 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 759 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 762 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 765 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 771 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 774 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 777 [2025-04-24 17:24:45,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 780 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 17:24:45,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:24:45,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 800 [2025-04-24 17:24:45,568 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:24:45,568 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:24:45,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:24:45,568 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:24:45,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1042516591, now seen corresponding path program 22 times [2025-04-24 17:24:45,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:24:45,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900510685] [2025-04-24 17:24:45,569 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:24:45,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:24:45,584 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 803 statements into 2 equivalence classes. [2025-04-24 17:24:45,955 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 803 of 803 statements. [2025-04-24 17:24:45,956 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:24:45,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:25:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 15867 backedges. 287 proven. 2742 refuted. 0 times theorem prover too weak. 12838 trivial. 0 not checked. [2025-04-24 17:25:30,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:25:30,523 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900510685] [2025-04-24 17:25:30,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900510685] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:25:30,523 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745462501] [2025-04-24 17:25:30,523 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:25:30,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:25:30,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:25:30,524 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:25:30,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 17:25:30,614 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 803 statements into 2 equivalence classes. [2025-04-24 17:25:30,789 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 803 of 803 statements. [2025-04-24 17:25:30,789 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:25:30,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:25:30,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 787 conjuncts are in the unsatisfiable core [2025-04-24 17:25:30,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:25:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15867 backedges. 3 proven. 2937 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 17:25:33,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:25:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 15867 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 17:25:38,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745462501] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:25:38,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:25:38,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 52, 52] total 137 [2025-04-24 17:25:38,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093564402] [2025-04-24 17:25:38,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:25:38,379 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2025-04-24 17:25:38,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:25:38,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2025-04-24 17:25:38,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2252, Invalid=16654, Unknown=0, NotChecked=0, Total=18906 [2025-04-24 17:25:38,380 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:25:38,380 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:25:38,381 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 4.920289855072464) internal successors, (679), 137 states have internal predecessors, (679), 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) [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:25:38,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:25:41,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:25:41,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-24 17:25:42,024 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-24 17:25:42,024 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:25:42,024 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:25:42,025 INFO L139 ounterexampleChecker]: Examining path program with hash 444753185, occurence #3 [2025-04-24 17:25:42,025 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:25:42,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:25:42,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:25:42,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:25:42,025 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 765 [2025-04-24 17:25:42,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-04-24 17:25:42,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 771 [2025-04-24 17:25:42,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 774 [2025-04-24 17:25:42,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 777 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 780 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 17:25:42,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:25:42,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 809 [2025-04-24 17:25:42,026 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:25:42,026 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:25:42,026 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:25:42,027 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:25:42,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1076004793, now seen corresponding path program 23 times [2025-04-24 17:25:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:25:42,027 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742836854] [2025-04-24 17:25:42,027 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:25:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:25:42,042 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 812 statements into 51 equivalence classes. [2025-04-24 17:25:42,272 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) and asserted 812 of 812 statements. [2025-04-24 17:25:42,272 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2025-04-24 17:25:42,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:25:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15982 backedges. 2428 proven. 627 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 17:25:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:25:47,941 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742836854] [2025-04-24 17:25:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742836854] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:25:47,941 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670000556] [2025-04-24 17:25:47,941 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:25:47,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:25:47,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:25:47,943 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:25:47,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-24 17:25:48,032 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 812 statements into 51 equivalence classes. [2025-04-24 17:25:48,280 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) and asserted 812 of 812 statements. [2025-04-24 17:25:48,280 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2025-04-24 17:25:48,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:25:48,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 134 conjuncts are in the unsatisfiable core [2025-04-24 17:25:48,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:25:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15982 backedges. 795 proven. 15187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:25:53,312 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:25:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 15982 backedges. 2428 proven. 627 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 17:25:54,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670000556] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:25:54,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:25:54,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 135, 38] total 170 [2025-04-24 17:25:54,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592821751] [2025-04-24 17:25:54,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:25:54,351 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2025-04-24 17:25:54,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:25:54,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2025-04-24 17:25:54,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1589, Invalid=27141, Unknown=0, NotChecked=0, Total=28730 [2025-04-24 17:25:54,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:25:54,355 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:25:54,355 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 6.094117647058823) internal successors, (1036), 170 states have internal predecessors, (1036), 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) [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:25:54,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:25:54,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:26:15,027 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-04-24 17:26:15,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-24 17:26:15,228 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-24 17:26:15,228 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:26:15,228 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:26:15,229 INFO L139 ounterexampleChecker]: Examining path program with hash 444753185, occurence #4 [2025-04-24 17:26:15,229 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:26:15,229 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:26:15,229 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:26:15,229 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:26:15,229 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 777 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 780 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 17:26:15,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 813 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 17:26:15,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:15,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 824 [2025-04-24 17:26:15,230 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:15,230 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:26:15,230 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:26:15,231 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:26:15,231 INFO L85 PathProgramCache]: Analyzing trace with hash 183135429, now seen corresponding path program 24 times [2025-04-24 17:26:15,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:26:15,231 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411542267] [2025-04-24 17:26:15,231 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:26:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:26:15,248 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 827 statements into 52 equivalence classes. [2025-04-24 17:26:15,679 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) and asserted 827 of 827 statements. [2025-04-24 17:26:15,679 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) [2025-04-24 17:26:15,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:26:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16631 backedges. 379 proven. 3138 refuted. 0 times theorem prover too weak. 13114 trivial. 0 not checked. [2025-04-24 17:26:48,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:26:48,153 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411542267] [2025-04-24 17:26:48,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411542267] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:26:48,153 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438849329] [2025-04-24 17:26:48,153 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:26:48,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:26:48,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:26:48,155 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:26:48,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-24 17:26:48,246 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 827 statements into 52 equivalence classes. [2025-04-24 17:26:48,577 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) and asserted 827 of 827 statements. [2025-04-24 17:26:48,577 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) [2025-04-24 17:26:48,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:26:48,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 1077 conjuncts are in the unsatisfiable core [2025-04-24 17:26:48,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:26:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16631 backedges. 0 proven. 3138 refuted. 0 times theorem prover too weak. 13493 trivial. 0 not checked. [2025-04-24 17:26:50,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:26:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16631 backedges. 0 proven. 3138 refuted. 0 times theorem prover too weak. 13493 trivial. 0 not checked. [2025-04-24 17:26:51,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438849329] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:26:51,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:26:51,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 36, 20] total 110 [2025-04-24 17:26:51,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403321735] [2025-04-24 17:26:51,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:26:51,314 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2025-04-24 17:26:51,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:26:51,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2025-04-24 17:26:51,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1842, Invalid=10368, Unknown=0, NotChecked=0, Total=12210 [2025-04-24 17:26:51,316 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:26:51,316 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:26:51,316 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 6.171171171171171) internal successors, (685), 110 states have internal predecessors, (685), 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) [2025-04-24 17:26:51,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-04-24 17:26:51,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:26:53,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:26:53,425 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:26:53,425 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-04-24 17:26:53,425 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 17:26:53,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-24 17:26:53,625 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:26:53,625 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:26:53,625 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:26:53,626 INFO L139 ounterexampleChecker]: Examining path program with hash 444753185, occurence #5 [2025-04-24 17:26:53,626 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:26:53,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:26:53,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:53,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:26:53,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:53,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:26:53,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:53,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:26:53,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:53,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 17:26:53,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 17:26:53,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-24 17:26:53,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 813 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 825 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 828 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-04-24 17:26:53,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:26:53,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 833 [2025-04-24 17:26:53,628 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:26:53,628 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:26:53,628 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:26:53,629 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:26:53,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1370321527, now seen corresponding path program 25 times [2025-04-24 17:26:53,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:26:53,629 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575765601] [2025-04-24 17:26:53,629 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:26:53,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:26:53,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 836 statements into 1 equivalence classes. [2025-04-24 17:26:53,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 836 of 836 statements. [2025-04-24 17:26:53,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:26:53,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:27:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16755 backedges. 2258 proven. 1570 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 17:27:00,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:27:00,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575765601] [2025-04-24 17:27:00,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575765601] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:27:00,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417662784] [2025-04-24 17:27:00,206 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:27:00,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:27:00,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:27:00,208 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:27:00,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-24 17:27:00,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 836 statements into 1 equivalence classes. [2025-04-24 17:27:00,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 836 of 836 statements. [2025-04-24 17:27:00,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:27:00,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:27:00,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-24 17:27:00,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:27:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16755 backedges. 919 proven. 15836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:27:05,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:27:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16755 backedges. 2286 proven. 979 refuted. 0 times theorem prover too weak. 13490 trivial. 0 not checked. [2025-04-24 17:27:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417662784] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:27:06,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:27:06,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 139, 40] total 179 [2025-04-24 17:27:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589515083] [2025-04-24 17:27:06,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:27:06,997 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2025-04-24 17:27:06,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:27:06,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2025-04-24 17:27:07,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1732, Invalid=30130, Unknown=0, NotChecked=0, Total=31862 [2025-04-24 17:27:07,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:27:07,000 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:27:07,001 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 6.150837988826815) internal successors, (1101), 179 states have internal predecessors, (1101), 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) [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-24 17:27:07,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-04-24 17:27:32,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 17:27:32,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2025-04-24 17:27:32,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-04-24 17:27:32,875 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-24 17:27:32,875 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:27:32,875 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:27:32,876 INFO L139 ounterexampleChecker]: Examining path program with hash 444753185, occurence #6 [2025-04-24 17:27:32,876 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:27:32,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:27:32,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:27:32,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:27:32,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 17:27:32,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 17:27:32,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 17:27:32,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 813 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 825 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 828 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 834 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 837 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 840 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 843 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 846 [2025-04-24 17:27:32,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:27:32,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 848 [2025-04-24 17:27:32,877 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:27:32,877 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:27:32,877 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:27:32,878 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:27:32,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1602239815, now seen corresponding path program 26 times [2025-04-24 17:27:32,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:27:32,878 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263009700] [2025-04-24 17:27:32,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:27:32,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:27:32,896 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 851 statements into 2 equivalence classes. [2025-04-24 17:27:33,299 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 851 of 851 statements. [2025-04-24 17:27:33,299 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:27:33,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat