./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 44c38e66 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/parallel-parallel-sum-equiv.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 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:54:38,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:54:38,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:54:38,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:54:38,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:54:39,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:54:39,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:54:39,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:54:39,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:54:39,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:54:39,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:54:39,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:54:39,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:54:39,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:54:39,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:54:39,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:54:39,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:54:39,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:54:39,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:54:39,025 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:54:39,025 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:54:39,025 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 -> 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 [2025-04-24 19:54:39,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:54:39,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:54:39,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:54:39,260 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:54:39,261 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:54:39,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2025-04-24 19:54:40,530 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eab97ad95/ca56d9ca9ac34ab4bf3eae5baa6a98d7/FLAG40cf84fe1 [2025-04-24 19:54:40,716 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:54:40,717 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2025-04-24 19:54:40,722 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eab97ad95/ca56d9ca9ac34ab4bf3eae5baa6a98d7/FLAG40cf84fe1 [2025-04-24 19:54:41,581 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eab97ad95/ca56d9ca9ac34ab4bf3eae5baa6a98d7 [2025-04-24 19:54:41,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:54:41,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:54:41,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:54:41,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:54:41,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:54:41,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1427fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41, skipping insertion in model container [2025-04-24 19:54:41,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:54:41,774 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/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2025-04-24 19:54:41,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:54:41,795 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:54:41,831 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/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2025-04-24 19:54:41,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:54:41,855 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:54:41,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41 WrapperNode [2025-04-24 19:54:41,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:54:41,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:54:41,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:54:41,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:54:41,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,898 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2025-04-24 19:54:41,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:54:41,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:54:41,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:54:41,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:54:41,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:54:41,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:54:41,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:54:41,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:54:41,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (1/1) ... [2025-04-24 19:54:41,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:54:41,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:41,968 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 19:54:41,970 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 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 19:54:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 19:54:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 19:54:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 19:54:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 19:54:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 19:54:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:54:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 19:54:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 19:54:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 19:54:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:54:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:54:41,987 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 19:54:42,073 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:54:42,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:54:42,359 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:54:42,360 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:54:42,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:54:42,589 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-24 19:54:42,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:54:42 BoogieIcfgContainer [2025-04-24 19:54:42,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:54:42,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:54:42,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:54:42,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:54:42,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:54:41" (1/3) ... [2025-04-24 19:54:42,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24999b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:54:42, skipping insertion in model container [2025-04-24 19:54:42,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:54:41" (2/3) ... [2025-04-24 19:54:42,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24999b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:54:42, skipping insertion in model container [2025-04-24 19:54:42,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:54:42" (3/3) ... [2025-04-24 19:54:42,597 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2025-04-24 19:54:42,608 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:54:42,610 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-equiv.wvr.c that has 5 procedures, 48 locations, 50 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-24 19:54:42,611 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:54:42,655 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2025-04-24 19:54:42,687 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:54:42,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:54:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:42,691 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 19:54:42,692 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 19:54:42,754 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:54:42,767 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2025-04-24 19:54:42,772 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;@32addd61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:54:42,772 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-24 19:54:43,126 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-24 19:54:43,127 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-24 19:54:43,133 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-24 19:54:43,135 INFO L320 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (1/2) [2025-04-24 19:54:43,139 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:54:43,140 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:54:43,141 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 19:54:43,142 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;@32addd61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:54:43,142 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 19:54:43,193 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:43,193 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:43,194 INFO L139 ounterexampleChecker]: Examining path program with hash -1912995528, occurence #1 [2025-04-24 19:54:43,194 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:43,194 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:43,197 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:43,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552558, now seen corresponding path program 1 times [2025-04-24 19:54:43,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:43,203 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561130611] [2025-04-24 19:54:43,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:43,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-24 19:54:43,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 19:54:43,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:43,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:43,345 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 19:54:43,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:43,345 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561130611] [2025-04-24 19:54:43,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561130611] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:43,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:43,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:54:43,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563283297] [2025-04-24 19:54:43,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:43,351 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 19:54:43,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:43,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 19:54:43,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 19:54:43,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,369 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:43,370 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 19:54:43,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,662 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:54:43,663 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:43,663 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:43,663 INFO L139 ounterexampleChecker]: Examining path program with hash -561184252, occurence #1 [2025-04-24 19:54:43,663 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:43,663 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:43,664 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:43,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1047919218, now seen corresponding path program 1 times [2025-04-24 19:54:43,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:43,665 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084503032] [2025-04-24 19:54:43,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:43,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:43,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-24 19:54:43,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-24 19:54:43,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:43,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:43,955 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 19:54:43,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:43,956 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084503032] [2025-04-24 19:54:43,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084503032] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:43,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:43,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 19:54:43,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094679341] [2025-04-24 19:54:43,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:43,956 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 19:54:43,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:43,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 19:54:43,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 19:54:43,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,957 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:43,958 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 19:54:43,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,083 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,083 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:44,083 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 19:54:44,083 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:44,083 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:44,084 INFO L139 ounterexampleChecker]: Examining path program with hash -1068161391, occurence #1 [2025-04-24 19:54:44,084 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:44,084 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:44,084 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:44,084 INFO L85 PathProgramCache]: Analyzing trace with hash 36044585, now seen corresponding path program 1 times [2025-04-24 19:54:44,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:44,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292695895] [2025-04-24 19:54:44,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:44,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:44,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-24 19:54:44,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-24 19:54:44,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:44,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 19:54:44,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:44,314 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292695895] [2025-04-24 19:54:44,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292695895] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:44,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:44,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 19:54:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5309978] [2025-04-24 19:54:44,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:44,314 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 19:54:44,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:44,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 19:54:44,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 19:54:44,316 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,316 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:44,316 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 19:54:44,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:44,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:44,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:44,418 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 19:54:44,418 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:44,418 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:44,418 INFO L139 ounterexampleChecker]: Examining path program with hash -1068161391, occurence #2 [2025-04-24 19:54:44,418 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:44,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:44,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 19:54:44,435 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:44,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:54:44,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:54:44,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 19:54:44,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:44,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 19:54:44,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 19:54:44,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 19:54:44,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:54:44,437 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:44,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:54:44,437 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:44,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:54:44,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:44,437 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:44,437 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:44,437 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:44,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1946332658, now seen corresponding path program 1 times [2025-04-24 19:54:44,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:44,438 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908388534] [2025-04-24 19:54:44,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:44,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:44,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-24 19:54:44,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-24 19:54:44,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:44,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 19:54:44,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:44,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908388534] [2025-04-24 19:54:44,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908388534] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:44,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334749644] [2025-04-24 19:54:44,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:44,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:44,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:44,618 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 19:54:44,619 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 19:54:44,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-24 19:54:44,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-24 19:54:44,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:44,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:44,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:54:44,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 19:54:44,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 19:54:44,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334749644] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:44,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:44,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-24 19:54:44,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822742600] [2025-04-24 19:54:44,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:44,888 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 19:54:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:44,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 19:54:44,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-04-24 19:54:44,890 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,890 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:44,890 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 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 19:54:44,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:44,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:44,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:44,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:45,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:45,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:45,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:45,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:45,087 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 19:54:45,286 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:45,286 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:45,286 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:45,286 INFO L139 ounterexampleChecker]: Examining path program with hash -1068161391, occurence #3 [2025-04-24 19:54:45,286 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:45,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:45,286 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:54:45,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 19:54:45,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 19:54:45,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 19:54:45,287 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 19:54:45,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:54:45,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 19:54:45,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:54:45,287 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 19:54:45,287 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:45,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 19:54:45,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:45,287 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:45,287 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:45,288 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:45,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1035720777, now seen corresponding path program 2 times [2025-04-24 19:54:45,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:45,290 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415231277] [2025-04-24 19:54:45,290 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:45,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:45,302 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-04-24 19:54:45,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-04-24 19:54:45,331 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:45,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:45,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:45,589 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415231277] [2025-04-24 19:54:45,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415231277] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:45,589 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079034147] [2025-04-24 19:54:45,589 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:45,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:45,593 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 19:54:45,594 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 19:54:45,648 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-04-24 19:54:45,681 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-04-24 19:54:45,681 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:45,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:45,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 19:54:45,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 19:54:45,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 19:54:45,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079034147] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:45,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:45,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 19 [2025-04-24 19:54:45,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736688683] [2025-04-24 19:54:45,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:45,857 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-24 19:54:45,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:45,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-24 19:54:45,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-04-24 19:54:45,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:45,859 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:45,859 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:45,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:45,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:45,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:45,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:45,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:46,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:46,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:46,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:46,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:46,092 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:46,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 19:54:46,292 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:46,292 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:46,293 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:46,293 INFO L139 ounterexampleChecker]: Examining path program with hash -1068161391, occurence #4 [2025-04-24 19:54:46,293 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 19:54:46,293 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 19:54:46,293 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 19:54:46,293 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:54:46,293 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:46,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 19:54:46,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:46,293 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:46,293 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:46,294 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:46,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1423443758, now seen corresponding path program 3 times [2025-04-24 19:54:46,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:46,294 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70737193] [2025-04-24 19:54:46,294 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:46,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:46,303 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 3 equivalence classes. [2025-04-24 19:54:46,317 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 63 statements. [2025-04-24 19:54:46,317 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 19:54:46,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 19:54:46,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:46,461 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70737193] [2025-04-24 19:54:46,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70737193] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:46,461 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652820426] [2025-04-24 19:54:46,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:46,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:46,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:46,463 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 19:54:46,464 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 19:54:46,517 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 3 equivalence classes. [2025-04-24 19:54:46,548 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 63 statements. [2025-04-24 19:54:46,548 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 19:54:46,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:46,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 19:54:46,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 19:54:46,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 19:54:46,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652820426] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:46,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:46,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 10] total 24 [2025-04-24 19:54:46,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763561515] [2025-04-24 19:54:46,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:46,788 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:54:46,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:46,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:54:46,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2025-04-24 19:54:46,789 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:46,789 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:46,789 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:46,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:46,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:46,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:46,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:46,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:46,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:46,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:46,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:46,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:46,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:46,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:46,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:46,987 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 19:54:47,181 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:47,181 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:47,181 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:47,181 INFO L139 ounterexampleChecker]: Examining path program with hash 60900728, occurence #1 [2025-04-24 19:54:47,181 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:47,182 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:47,182 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:47,182 INFO L85 PathProgramCache]: Analyzing trace with hash 596510516, now seen corresponding path program 4 times [2025-04-24 19:54:47,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:47,182 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380323266] [2025-04-24 19:54:47,182 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:47,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:47,195 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-04-24 19:54:47,199 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 79 statements. [2025-04-24 19:54:47,199 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:47,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 19:54:47,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:47,308 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380323266] [2025-04-24 19:54:47,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380323266] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:47,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:47,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-24 19:54:47,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977887105] [2025-04-24 19:54:47,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:47,309 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:54:47,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:47,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:54:47,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:54:47,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:47,309 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:47,310 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:47,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:47,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:47,713 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-24 19:54:47,714 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:47,714 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:47,714 INFO L139 ounterexampleChecker]: Examining path program with hash -1174731905, occurence #1 [2025-04-24 19:54:47,714 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:47,714 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:47,714 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:47,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1098356291, now seen corresponding path program 5 times [2025-04-24 19:54:47,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:47,714 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622990220] [2025-04-24 19:54:47,715 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:47,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:47,723 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 4 equivalence classes. [2025-04-24 19:54:47,752 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 19:54:47,753 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 19:54:47,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 19:54:47,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:47,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622990220] [2025-04-24 19:54:47,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622990220] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:47,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692006761] [2025-04-24 19:54:47,915 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:47,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:47,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:47,917 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 19:54:47,918 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 19:54:47,976 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 4 equivalence classes. [2025-04-24 19:54:48,029 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 19:54:48,030 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 19:54:48,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:48,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 19:54:48,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 19:54:48,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 19:54:48,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692006761] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:48,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:48,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 23 [2025-04-24 19:54:48,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051952191] [2025-04-24 19:54:48,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:48,301 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-24 19:54:48,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:48,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-24 19:54:48,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2025-04-24 19:54:48,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:48,302 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:48,302 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.791666666666667) internal successors, (139), 23 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:48,302 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:48,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:48,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:48,473 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 19:54:48,671 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,SelfDestructingSolverStorable7 [2025-04-24 19:54:48,671 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:48,671 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:48,671 INFO L139 ounterexampleChecker]: Examining path program with hash -1174731905, occurence #2 [2025-04-24 19:54:48,671 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:48,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:48,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:54:48,671 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:48,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:54:48,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:54:48,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 19:54:48,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 19:54:48,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-24 19:54:48,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:48,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-24 19:54:48,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:48,672 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:48,672 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:48,672 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1601210077, now seen corresponding path program 6 times [2025-04-24 19:54:48,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:48,672 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309378675] [2025-04-24 19:54:48,672 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:54:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:48,682 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 4 equivalence classes. [2025-04-24 19:54:48,759 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-04-24 19:54:48,759 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 19:54:48,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:49,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:49,023 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309378675] [2025-04-24 19:54:49,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309378675] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:49,023 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670900310] [2025-04-24 19:54:49,023 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:54:49,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:49,025 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 19:54:49,027 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 19:54:49,082 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 4 equivalence classes. [2025-04-24 19:54:49,125 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-04-24 19:54:49,126 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 19:54:49,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:49,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 19:54:49,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:49,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:49,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670900310] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:49,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:49,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 35 [2025-04-24 19:54:49,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611247412] [2025-04-24 19:54:49,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:49,596 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-24 19:54:49,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:49,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-24 19:54:49,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2025-04-24 19:54:49,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:49,597 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:49,597 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.694444444444445) internal successors, (205), 35 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:49,597 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:49,597 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:49,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:49,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:49,827 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 19:54:50,021 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:50,021 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:50,021 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:50,021 INFO L139 ounterexampleChecker]: Examining path program with hash -1174731905, occurence #3 [2025-04-24 19:54:50,021 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:50,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:50,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:54:50,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 19:54:50,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 19:54:50,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-24 19:54:50,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:50,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-24 19:54:50,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:50,022 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:50,022 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:50,022 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1724242941, now seen corresponding path program 7 times [2025-04-24 19:54:50,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:50,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221928571] [2025-04-24 19:54:50,023 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:54:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:50,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-24 19:54:50,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 19:54:50,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:50,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 19:54:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:50,313 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221928571] [2025-04-24 19:54:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221928571] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:50,313 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035457504] [2025-04-24 19:54:50,313 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:54:50,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:50,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:50,315 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 19:54:50,317 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 19:54:50,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-24 19:54:50,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 19:54:50,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:50,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:50,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-24 19:54:50,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 19:54:50,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 19:54:50,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035457504] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:50,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:50,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2025-04-24 19:54:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543021881] [2025-04-24 19:54:50,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:50,903 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 19:54:50,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:50,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 19:54:50,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2025-04-24 19:54:50,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:50,904 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:50,904 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.054054054054054) internal successors, (150), 36 states have internal predecessors, (150), 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 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:50,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:51,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:51,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:51,273 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 19:54:51,471 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,SelfDestructingSolverStorable9 [2025-04-24 19:54:51,471 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:51,471 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:51,471 INFO L139 ounterexampleChecker]: Examining path program with hash 1933319820, occurence #1 [2025-04-24 19:54:51,471 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:51,471 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:51,472 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:51,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1777591115, now seen corresponding path program 8 times [2025-04-24 19:54:51,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:51,472 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112730045] [2025-04-24 19:54:51,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:51,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:51,483 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-24 19:54:51,503 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-04-24 19:54:51,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:51,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 21 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:51,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:51,777 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112730045] [2025-04-24 19:54:51,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112730045] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:51,777 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019179466] [2025-04-24 19:54:51,777 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:51,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:51,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:51,778 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 19:54:51,780 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 19:54:51,841 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-24 19:54:51,884 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-04-24 19:54:51,885 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:51,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:51,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 19:54:51,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 19:54:52,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 19:54:52,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019179466] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:52,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:52,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2025-04-24 19:54:52,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451711800] [2025-04-24 19:54:52,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:52,495 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-24 19:54:52,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:52,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-24 19:54:52,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1801, Unknown=0, NotChecked=0, Total=2162 [2025-04-24 19:54:52,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:52,497 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:52,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.085106382978723) internal successors, (239), 46 states have internal predecessors, (239), 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 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:52,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:52,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:54:52,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 19:54:53,157 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:53,158 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:53,158 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:53,158 INFO L139 ounterexampleChecker]: Examining path program with hash -330934039, occurence #1 [2025-04-24 19:54:53,158 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:53,158 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:53,158 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:53,158 INFO L85 PathProgramCache]: Analyzing trace with hash 230421649, now seen corresponding path program 9 times [2025-04-24 19:54:53,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:53,158 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985727990] [2025-04-24 19:54:53,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:53,169 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 132 statements into 7 equivalence classes. [2025-04-24 19:54:53,311 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 132 of 132 statements. [2025-04-24 19:54:53,311 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-24 19:54:53,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 229 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:53,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:53,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985727990] [2025-04-24 19:54:53,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985727990] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:53,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517285564] [2025-04-24 19:54:53,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:53,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:53,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:53,896 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 19:54:53,898 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 19:54:53,969 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 132 statements into 7 equivalence classes. [2025-04-24 19:54:54,069 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 132 of 132 statements. [2025-04-24 19:54:54,069 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-24 19:54:54,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:54,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 19:54:54,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:54:54,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:54:54,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517285564] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:54,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:54,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 64 [2025-04-24 19:54:54,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416856645] [2025-04-24 19:54:54,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:54,948 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-04-24 19:54:54,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:54,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-04-24 19:54:54,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1034, Invalid=3126, Unknown=0, NotChecked=0, Total=4160 [2025-04-24 19:54:54,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:54,950 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:54,951 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.184615384615385) internal successors, (337), 64 states have internal predecessors, (337), 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 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:54:54,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:55,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:54:55,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:55,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-24 19:54:55,330 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:55,331 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:55,331 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:55,331 INFO L139 ounterexampleChecker]: Examining path program with hash -330934039, occurence #2 [2025-04-24 19:54:55,331 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:55,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:55,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 19:54:55,331 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:55,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 19:54:55,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:54:55,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 19:54:55,331 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:55,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:54:55,364 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:55,364 INFO L85 PathProgramCache]: Analyzing trace with hash 912117379, now seen corresponding path program 1 times [2025-04-24 19:54:55,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:55,365 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436452647] [2025-04-24 19:54:55,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:55,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-24 19:54:55,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-24 19:54:55,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:55,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 210 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:56,133 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:56,133 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436452647] [2025-04-24 19:54:56,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436452647] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:56,133 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [185696712] [2025-04-24 19:54:56,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:56,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-24 19:54:56,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-24 19:54:56,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:56,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:56,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-24 19:54:56,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:56,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [185696712] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:56,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:56,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 62 [2025-04-24 19:54:56,918 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:56,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 19:54:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-24 19:54:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-24 19:54:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-04-24 19:54:56,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:54:56,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:56,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2025-04-24 19:54:56,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,919 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:56,919 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:56,919 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:56,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1458190351, now seen corresponding path program 10 times [2025-04-24 19:54:56,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:56,919 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802814590] [2025-04-24 19:54:56,919 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:56,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:56,934 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-04-24 19:54:56,939 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 76 of 138 statements. [2025-04-24 19:54:56,939 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:56,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 19:54:57,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:57,116 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802814590] [2025-04-24 19:54:57,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802814590] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:57,116 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454675773] [2025-04-24 19:54:57,116 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:57,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:57,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:57,118 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 19:54:57,120 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 19:54:57,203 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-04-24 19:54:57,226 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 76 of 138 statements. [2025-04-24 19:54:57,227 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:57,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:57,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-24 19:54:57,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 19:54:57,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 19:54:57,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454675773] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:57,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:57,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 13] total 45 [2025-04-24 19:54:57,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25085963] [2025-04-24 19:54:57,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:57,871 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-24 19:54:57,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:57,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-24 19:54:57,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=1430, Unknown=0, NotChecked=0, Total=1980 [2025-04-24 19:54:57,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:57,872 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:57,872 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.111111111111111) internal successors, (320), 45 states have internal predecessors, (320), 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 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:57,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:59,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:54:59,242 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 19:54:59,437 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,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-04-24 19:54:59,437 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:59,437 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:59,437 INFO L139 ounterexampleChecker]: Examining path program with hash -1686461009, occurence #1 [2025-04-24 19:54:59,437 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:59,437 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:59,438 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:59,438 INFO L85 PathProgramCache]: Analyzing trace with hash -412564449, now seen corresponding path program 11 times [2025-04-24 19:54:59,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:59,438 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338871819] [2025-04-24 19:54:59,438 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:59,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:59,458 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 226 statements into 15 equivalence classes. [2025-04-24 19:54:59,633 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 226 of 226 statements. [2025-04-24 19:54:59,633 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-04-24 19:54:59,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:00,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:00,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338871819] [2025-04-24 19:55:00,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338871819] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:00,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54278221] [2025-04-24 19:55:00,796 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:55:00,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:00,798 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 19:55:00,799 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 19:55:00,894 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 226 statements into 15 equivalence classes. [2025-04-24 19:55:01,846 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 226 of 226 statements. [2025-04-24 19:55:01,846 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-04-24 19:55:01,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:01,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-24 19:55:01,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:02,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54278221] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:03,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 91 [2025-04-24 19:55:03,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232146803] [2025-04-24 19:55:03,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:03,413 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-04-24 19:55:03,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:03,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-04-24 19:55:03,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2062, Invalid=6310, Unknown=0, NotChecked=0, Total=8372 [2025-04-24 19:55:03,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:03,416 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:03,416 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.760869565217392) internal successors, (438), 91 states have internal predecessors, (438), 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 19:55:03,416 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:03,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:03,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:03,641 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 19:55:03,831 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:03,831 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:03,831 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:03,831 INFO L139 ounterexampleChecker]: Examining path program with hash -1686461009, occurence #2 [2025-04-24 19:55:03,831 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:55:03,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:55:03,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:03,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:55:03,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:03,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 19:55:03,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:03,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:55:03,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:03,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:55:03,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:03,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-24 19:55:03,841 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:03,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1899170707, now seen corresponding path program 1 times [2025-04-24 19:55:03,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:55:03,841 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903790109] [2025-04-24 19:55:03,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:03,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:03,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-04-24 19:55:04,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-04-24 19:55:04,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:04,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:55:04,010 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:55:04,010 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-24 19:55:04,011 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-24 19:55:04,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-24 19:55:04,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:04,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 19:55:04,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:04,012 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:55:04,012 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:04,013 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:04,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1706070145, now seen corresponding path program 12 times [2025-04-24 19:55:04,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:04,013 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595498828] [2025-04-24 19:55:04,013 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:55:04,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:04,035 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 15 equivalence classes. [2025-04-24 19:55:04,548 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 19:55:04,548 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-04-24 19:55:04,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 392 proven. 416 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-04-24 19:55:05,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:05,846 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595498828] [2025-04-24 19:55:05,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595498828] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:05,847 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395621053] [2025-04-24 19:55:05,847 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:55:05,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:05,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:05,849 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 19:55:05,850 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 19:55:05,953 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 15 equivalence classes. [2025-04-24 19:55:06,566 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 19:55:06,567 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-04-24 19:55:06,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:06,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-24 19:55:06,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:07,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:09,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395621053] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:09,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:09,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 48, 48] total 115 [2025-04-24 19:55:09,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805854652] [2025-04-24 19:55:09,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:09,151 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-04-24 19:55:09,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:09,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-04-24 19:55:09,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2849, Invalid=10261, Unknown=0, NotChecked=0, Total=13110 [2025-04-24 19:55:09,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:09,155 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:09,156 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.339130434782609) internal successors, (614), 115 states have internal predecessors, (614), 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 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:09,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:09,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:09,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:09,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-24 19:55:09,806 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,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 19:55:09,807 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:09,807 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:09,807 INFO L139 ounterexampleChecker]: Examining path program with hash -1686461009, occurence #3 [2025-04-24 19:55:09,807 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:55:09,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:55:09,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:55:09,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:09,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:55:09,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:55:09,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 19:55:09,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:09,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:55:09,816 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:09,816 INFO L85 PathProgramCache]: Analyzing trace with hash 45418046, now seen corresponding path program 1 times [2025-04-24 19:55:09,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:55:09,817 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255366655] [2025-04-24 19:55:09,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:09,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:09,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-04-24 19:55:09,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-04-24 19:55:09,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:09,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:55:09,974 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:55:09,975 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:55:09,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-24 19:55:09,975 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-24 19:55:09,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-24 19:55:09,976 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:09,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2025-04-24 19:55:09,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-04-24 19:55:09,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2025-04-24 19:55:09,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-04-24 19:55:09,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:09,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-04-24 19:55:09,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:09,977 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:55:09,977 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:09,978 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:09,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1494000333, now seen corresponding path program 13 times [2025-04-24 19:55:09,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:09,978 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700427704] [2025-04-24 19:55:09,978 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:55:09,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:09,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 19:55:10,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 19:55:10,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:10,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 717 proven. 669 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:13,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:13,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700427704] [2025-04-24 19:55:13,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700427704] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:13,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355427161] [2025-04-24 19:55:13,297 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:55:13,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:13,299 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 19:55:13,300 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 19:55:13,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 19:55:13,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 19:55:13,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:13,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:13,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-24 19:55:13,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 325 proven. 669 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:15,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 351 proven. 643 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:17,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355427161] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:17,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:17,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 52, 52] total 180 [2025-04-24 19:55:17,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724848694] [2025-04-24 19:55:17,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:17,576 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2025-04-24 19:55:17,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:17,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2025-04-24 19:55:17,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4889, Invalid=27691, Unknown=0, NotChecked=0, Total=32580 [2025-04-24 19:55:17,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:17,583 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:17,584 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.546961325966851) internal successors, (642), 180 states have internal predecessors, (642), 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 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:17,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:19,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:19,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:19,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-24 19:55:19,661 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:19,661 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:19,661 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:19,661 INFO L139 ounterexampleChecker]: Examining path program with hash 1237183047, occurence #1 [2025-04-24 19:55:19,661 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:55:19,661 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:19,662 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:19,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1153232170, now seen corresponding path program 14 times [2025-04-24 19:55:19,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:19,662 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238081984] [2025-04-24 19:55:19,662 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:55:19,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:19,683 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 290 statements into 2 equivalence classes. [2025-04-24 19:55:19,735 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 290 of 290 statements. [2025-04-24 19:55:19,735 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:55:19,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1232 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:23,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:23,429 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238081984] [2025-04-24 19:55:23,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238081984] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:23,429 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486908081] [2025-04-24 19:55:23,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:55:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:23,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:23,431 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 19:55:23,432 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 19:55:23,556 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 290 statements into 2 equivalence classes. [2025-04-24 19:55:23,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 290 of 290 statements. [2025-04-24 19:55:23,650 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:55:23,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:23,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-04-24 19:55:23,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:25,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 19:55:27,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486908081] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:27,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:27,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 55, 55] total 193 [2025-04-24 19:55:27,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616702803] [2025-04-24 19:55:27,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:27,922 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-04-24 19:55:27,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:27,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-04-24 19:55:27,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5213, Invalid=32229, Unknown=0, NotChecked=0, Total=37442 [2025-04-24 19:55:27,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:27,925 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:27,926 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 3.577319587628866) internal successors, (694), 193 states have internal predecessors, (694), 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 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:27,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:28,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:28,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:28,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:55:28,320 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 19:55:28,513 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:28,513 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:28,513 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:28,513 INFO L139 ounterexampleChecker]: Examining path program with hash 1237183047, occurence #2 [2025-04-24 19:55:28,513 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:55:28,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:55:28,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:28,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:55:28,514 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:28,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:55:28,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:28,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:55:28,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:28,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 19:55:28,514 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:28,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-24 19:55:28,524 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 312648707, now seen corresponding path program 1 times [2025-04-24 19:55:28,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:55:28,524 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625092432] [2025-04-24 19:55:28,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:28,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:28,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-04-24 19:55:28,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-04-24 19:55:28,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:28,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 936 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:30,140 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:55:30,140 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625092432] [2025-04-24 19:55:30,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625092432] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:30,140 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [49092803] [2025-04-24 19:55:30,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:30,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:30,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-04-24 19:55:30,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-04-24 19:55:30,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:30,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:30,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-24 19:55:30,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 975 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:31,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [49092803] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:31,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:55:31,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 111 [2025-04-24 19:55:31,836 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-24 19:55:31,836 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-04-24 19:55:31,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2025-04-24 19:55:31,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:31,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-04-24 19:55:31,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:31,837 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:55:31,837 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:31,837 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:31,837 INFO L85 PathProgramCache]: Analyzing trace with hash 500884787, now seen corresponding path program 15 times [2025-04-24 19:55:31,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:31,837 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334877349] [2025-04-24 19:55:31,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:55:31,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:31,861 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 291 statements into 15 equivalence classes. [2025-04-24 19:55:33,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 291 of 291 statements. [2025-04-24 19:55:33,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 19:55:33,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:55:35,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:35,225 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334877349] [2025-04-24 19:55:35,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334877349] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:35,225 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074266876] [2025-04-24 19:55:35,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:55:35,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:35,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:35,227 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 19:55:35,228 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 19:55:35,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 291 statements into 15 equivalence classes. [2025-04-24 19:55:42,256 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 291 of 291 statements. [2025-04-24 19:55:42,256 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 19:55:42,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:42,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-04-24 19:55:42,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:55:43,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:55:44,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074266876] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:44,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:44,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 61, 34] total 96 [2025-04-24 19:55:44,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44612457] [2025-04-24 19:55:44,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:44,154 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-04-24 19:55:44,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:44,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-04-24 19:55:44,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1112, Invalid=8008, Unknown=0, NotChecked=0, Total=9120 [2025-04-24 19:55:44,156 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:44,156 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:44,156 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.489583333333333) internal successors, (527), 96 states have internal predecessors, (527), 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 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:55:44,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:55:45,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:55:45,762 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 19:55:45,926 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:45,926 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:45,926 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:45,926 INFO L139 ounterexampleChecker]: Examining path program with hash -1686461009, occurence #4 [2025-04-24 19:55:45,926 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:55:45,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:55:45,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:55:45,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:45,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:55:45,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:55:45,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 19:55:45,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:45,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-24 19:55:45,940 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:45,940 INFO L85 PathProgramCache]: Analyzing trace with hash 232705902, now seen corresponding path program 1 times [2025-04-24 19:55:45,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:55:45,940 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994745539] [2025-04-24 19:55:45,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:45,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:45,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 237 statements into 1 equivalence classes. [2025-04-24 19:55:45,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 237 of 237 statements. [2025-04-24 19:55:45,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:45,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1320 proven. 423 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:48,035 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:55:48,036 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994745539] [2025-04-24 19:55:48,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994745539] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:48,036 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [316104715] [2025-04-24 19:55:48,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:48,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 237 statements into 1 equivalence classes. [2025-04-24 19:55:48,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 237 of 237 statements. [2025-04-24 19:55:48,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:48,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:48,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-04-24 19:55:48,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1365 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:50,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [316104715] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:50,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:55:50,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 121 [2025-04-24 19:55:50,156 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-24 19:55:50,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2025-04-24 19:55:50,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2025-04-24 19:55:50,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2025-04-24 19:55:50,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2025-04-24 19:55:50,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2025-04-24 19:55:50,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2025-04-24 19:55:50,158 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:50,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-04-24 19:55:50,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:50,158 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:55:50,158 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:50,158 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:50,158 INFO L85 PathProgramCache]: Analyzing trace with hash 180850409, now seen corresponding path program 16 times [2025-04-24 19:55:50,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:50,158 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267984156] [2025-04-24 19:55:50,158 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:55:50,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:50,190 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 323 statements into 2 equivalence classes. [2025-04-24 19:55:50,210 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 323 statements. [2025-04-24 19:55:50,210 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:55:50,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2183 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:55:51,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:51,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267984156] [2025-04-24 19:55:51,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267984156] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:51,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364749650] [2025-04-24 19:55:51,152 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:55:51,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:51,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:51,154 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 19:55:51,155 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 19:55:51,297 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 323 statements into 2 equivalence classes. [2025-04-24 19:55:51,336 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 323 statements. [2025-04-24 19:55:51,336 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:55:51,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:51,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-04-24 19:55:51,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2183 backedges. 0 proven. 1805 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:55:53,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2183 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:55:53,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364749650] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:53,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:53,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 69, 37] total 103 [2025-04-24 19:55:53,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022639644] [2025-04-24 19:55:53,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:53,834 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-04-24 19:55:53,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:53,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-04-24 19:55:53,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1347, Invalid=9159, Unknown=0, NotChecked=0, Total=10506 [2025-04-24 19:55:53,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:53,836 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:53,836 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 5.504854368932039) internal successors, (567), 103 states have internal predecessors, (567), 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 19:55:53,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:53,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:53,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:53,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:53,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:55:53,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:55:58,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:55:58,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:55:58,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-24 19:55:58,915 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,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2025-04-24 19:55:58,915 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:58,915 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:58,915 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #1 [2025-04-24 19:55:58,916 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:55:58,916 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:58,916 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:58,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1306097589, now seen corresponding path program 17 times [2025-04-24 19:55:58,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:58,916 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214992256] [2025-04-24 19:55:58,916 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:55:58,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:58,947 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 35 equivalence classes. [2025-04-24 19:56:01,849 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) and asserted 571 of 571 statements. [2025-04-24 19:56:01,849 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2025-04-24 19:56:01,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 7563 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:07,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:07,273 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214992256] [2025-04-24 19:56:07,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214992256] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:07,273 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254026952] [2025-04-24 19:56:07,273 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:56:07,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:07,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:07,275 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 19:56:07,276 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 19:56:07,470 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 35 equivalence classes. [2025-04-24 19:56:11,773 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) and asserted 571 of 571 statements. [2025-04-24 19:56:11,773 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2025-04-24 19:56:11,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:11,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-24 19:56:11,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 4418 proven. 378 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2025-04-24 19:56:13,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 4418 proven. 378 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2025-04-24 19:56:16,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254026952] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:16,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:16,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 57, 57] total 194 [2025-04-24 19:56:16,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234858039] [2025-04-24 19:56:16,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:16,269 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2025-04-24 19:56:16,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:16,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2025-04-24 19:56:16,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6061, Invalid=31769, Unknown=0, NotChecked=0, Total=37830 [2025-04-24 19:56:16,274 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:16,274 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:16,274 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 5.092307692307692) internal successors, (993), 194 states have internal predecessors, (993), 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 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:16,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:56:16,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:56:16,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 19:56:16,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-24 19:56:16,815 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-04-24 19:56:16,815 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:56:16,815 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:16,816 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #2 [2025-04-24 19:56:16,816 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:16,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:16,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:16,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 19:56:16,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:16,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:56:16,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:16,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 19:56:16,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:16,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 19:56:16,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:16,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 455 [2025-04-24 19:56:16,848 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash 350829925, now seen corresponding path program 1 times [2025-04-24 19:56:16,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:16,849 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908602467] [2025-04-24 19:56:16,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:16,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:16,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 456 statements into 1 equivalence classes. [2025-04-24 19:56:16,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 456 of 456 statements. [2025-04-24 19:56:17,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:17,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 7006 backedges. 6240 proven. 766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:26,491 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:26,491 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908602467] [2025-04-24 19:56:26,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908602467] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:26,491 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [90639468] [2025-04-24 19:56:26,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:26,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:26,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 456 statements into 1 equivalence classes. [2025-04-24 19:56:26,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 456 of 456 statements. [2025-04-24 19:56:26,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:26,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:26,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 137 conjuncts are in the unsatisfiable core [2025-04-24 19:56:26,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7006 backedges. 6600 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:37,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [90639468] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:37,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:37,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 134] total 267 [2025-04-24 19:56:37,829 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:37,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2025-04-24 19:56:37,837 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash 263974456, now seen corresponding path program 1 times [2025-04-24 19:56:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:37,837 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818527863] [2025-04-24 19:56:37,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:37,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-04-24 19:56:37,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-04-24 19:56:37,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:37,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7274 backedges. 6369 proven. 905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:47,316 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:47,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818527863] [2025-04-24 19:56:47,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818527863] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:47,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1201451119] [2025-04-24 19:56:47,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:47,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-04-24 19:56:47,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-04-24 19:56:47,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:47,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:47,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 139 conjuncts are in the unsatisfiable core [2025-04-24 19:56:47,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 7274 backedges. 6868 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:59,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1201451119] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:59,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:59,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 136] total 271 [2025-04-24 19:56:59,114 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:59,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-24 19:56:59,126 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1578066071, now seen corresponding path program 1 times [2025-04-24 19:56:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:59,126 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562578257] [2025-04-24 19:56:59,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:59,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:59,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-04-24 19:56:59,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-04-24 19:56:59,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:59,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7410 backedges. 6633 proven. 777 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:57:09,425 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:57:09,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562578257] [2025-04-24 19:57:09,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562578257] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:09,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [12933197] [2025-04-24 19:57:09,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:09,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-04-24 19:57:09,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-04-24 19:57:09,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:09,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:09,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 143 conjuncts are in the unsatisfiable core [2025-04-24 19:57:09,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7410 backedges. 7004 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:57:22,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [12933197] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:22,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:57:22,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [140, 140] total 279 [2025-04-24 19:57:22,172 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:57:22,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-04-24 19:57:22,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 498 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-24 19:57:22,173 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 508 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 512 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2025-04-24 19:57:22,173 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 540 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-04-24 19:57:22,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-04-24 19:57:22,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 569 [2025-04-24 19:57:22,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:22,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-04-24 19:57:22,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:22,175 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:57:22,175 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:22,175 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:22,175 INFO L85 PathProgramCache]: Analyzing trace with hash -178943028, now seen corresponding path program 18 times [2025-04-24 19:57:22,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:22,175 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081458977] [2025-04-24 19:57:22,175 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:57:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:22,213 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 572 statements into 35 equivalence classes. [2025-04-24 19:57:25,489 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 536 of 572 statements. [2025-04-24 19:57:25,489 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-04-24 19:57:25,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 5287 proven. 457 refuted. 0 times theorem prover too weak. 2225 trivial. 0 not checked. [2025-04-24 19:57:28,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:28,996 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081458977] [2025-04-24 19:57:28,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081458977] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:28,996 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592877727] [2025-04-24 19:57:28,996 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:57:28,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:28,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:28,999 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 19:57:29,000 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 19:57:29,215 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 572 statements into 35 equivalence classes. [2025-04-24 19:57:39,729 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 536 of 572 statements. [2025-04-24 19:57:39,729 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-04-24 19:57:39,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:39,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-04-24 19:57:39,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 4505 proven. 406 refuted. 0 times theorem prover too weak. 3058 trivial. 0 not checked. [2025-04-24 19:57:41,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 4505 proven. 406 refuted. 0 times theorem prover too weak. 3058 trivial. 0 not checked. [2025-04-24 19:57:43,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592877727] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:43,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:43,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 59, 59] total 153 [2025-04-24 19:57:43,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368014771] [2025-04-24 19:57:43,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:43,153 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2025-04-24 19:57:43,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:43,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2025-04-24 19:57:43,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5108, Invalid=18454, Unknown=0, NotChecked=0, Total=23562 [2025-04-24 19:57:43,156 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:43,156 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:43,156 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 3.461038961038961) internal successors, (533), 153 states have internal predecessors, (533), 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 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 19:57:43,157 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:43,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 19:57:43,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:57:43,369 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 19:57:43,545 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable28 [2025-04-24 19:57:43,546 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:57:43,546 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:43,546 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #3 [2025-04-24 19:57:43,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:57:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:57:43,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 19:57:43,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:57:43,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:57:43,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-24 19:57:43,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:43,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-04-24 19:57:43,569 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:43,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1857574583, now seen corresponding path program 1 times [2025-04-24 19:57:43,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:43,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497378867] [2025-04-24 19:57:43,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:43,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:43,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 457 statements into 1 equivalence classes. [2025-04-24 19:57:43,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 457 of 457 statements. [2025-04-24 19:57:43,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:43,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7035 backedges. 6240 proven. 795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:57:52,874 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:57:52,874 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497378867] [2025-04-24 19:57:52,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497378867] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:52,874 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1025696505] [2025-04-24 19:57:52,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:52,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:52,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 457 statements into 1 equivalence classes. [2025-04-24 19:57:52,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 457 of 457 statements. [2025-04-24 19:57:52,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:52,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:53,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-24 19:57:53,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:58:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7035 backedges. 6600 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:04,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1025696505] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:04,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:58:04,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 135] total 269 [2025-04-24 19:58:04,309 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:58:04,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-24 19:58:04,318 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:04,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2104934474, now seen corresponding path program 1 times [2025-04-24 19:58:04,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:58:04,318 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542445545] [2025-04-24 19:58:04,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:04,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:04,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 19:58:04,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 19:58:04,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:04,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 7303 backedges. 6369 proven. 934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:13,943 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:58:13,943 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542445545] [2025-04-24 19:58:13,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542445545] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:13,943 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1503993469] [2025-04-24 19:58:13,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:13,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 19:58:14,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 19:58:14,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:14,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:14,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-04-24 19:58:14,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:58:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7303 backedges. 6868 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:25,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1503993469] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:25,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:58:25,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 273 [2025-04-24 19:58:25,659 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:58:25,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-24 19:58:25,668 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1983889541, now seen corresponding path program 1 times [2025-04-24 19:58:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:58:25,669 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134593925] [2025-04-24 19:58:25,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:25,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:25,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 483 statements into 1 equivalence classes. [2025-04-24 19:58:25,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 483 of 483 statements. [2025-04-24 19:58:25,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:25,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7439 backedges. 6633 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:36,060 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:58:36,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134593925] [2025-04-24 19:58:36,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134593925] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:36,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [432033149] [2025-04-24 19:58:36,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:36,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 483 statements into 1 equivalence classes. [2025-04-24 19:58:36,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 483 of 483 statements. [2025-04-24 19:58:36,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:36,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:36,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 144 conjuncts are in the unsatisfiable core [2025-04-24 19:58:36,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:58:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7439 backedges. 7004 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:48,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [432033149] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:48,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:58:48,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 141] total 281 [2025-04-24 19:58:48,472 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:58:48,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2025-04-24 19:58:48,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-04-24 19:58:48,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-04-24 19:58:48,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 533 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 541 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 545 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 549 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 557 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 561 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 567 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-04-24 19:58:48,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:48,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-04-24 19:58:48,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:48,473 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:58:48,473 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:58:48,474 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:48,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1029438101, now seen corresponding path program 19 times [2025-04-24 19:58:48,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:58:48,474 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059677859] [2025-04-24 19:58:48,474 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:58:48,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:48,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 573 statements into 1 equivalence classes. [2025-04-24 19:58:48,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 573 of 573 statements. [2025-04-24 19:58:48,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:48,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 7083 proven. 915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:01,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:59:01,680 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059677859] [2025-04-24 19:59:01,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059677859] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:01,680 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614863778] [2025-04-24 19:59:01,680 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:59:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:59:01,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:59:01,682 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 19:59:01,683 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 19:59:01,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 573 statements into 1 equivalence classes. [2025-04-24 19:59:02,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 573 of 573 statements. [2025-04-24 19:59:02,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:02,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:02,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-24 19:59:02,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:59:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 4666 proven. 435 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2025-04-24 19:59:05,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:59:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 4666 proven. 435 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2025-04-24 19:59:09,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614863778] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:59:09,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:59:09,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [160, 61, 61] total 278 [2025-04-24 19:59:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561756763] [2025-04-24 19:59:09,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:59:09,457 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 279 states [2025-04-24 19:59:09,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:59:09,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 279 interpolants. [2025-04-24 19:59:09,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11306, Invalid=66256, Unknown=0, NotChecked=0, Total=77562 [2025-04-24 19:59:09,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:09,466 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:59:09,466 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 279 states, 279 states have (on average 3.6666666666666665) internal successors, (1023), 278 states have internal predecessors, (1023), 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 19:59:09,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:09,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:59:09,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:09,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:59:09,467 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:09,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:09,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 19:59:09,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:59:09,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 19:59:09,853 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 19:59:10,044 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-24 19:59:10,045 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:59:10,045 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:59:10,045 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #4 [2025-04-24 19:59:10,045 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:59:10,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:59:10,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:10,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:59:10,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:10,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 19:59:10,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:10,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 19:59:10,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:10,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 19:59:10,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:10,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-04-24 19:59:10,067 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:10,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1322018455, now seen corresponding path program 1 times [2025-04-24 19:59:10,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:59:10,067 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699654767] [2025-04-24 19:59:10,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:10,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-04-24 19:59:10,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-04-24 19:59:10,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:10,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7065 backedges. 6240 proven. 825 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:19,393 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:59:19,393 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699654767] [2025-04-24 19:59:19,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699654767] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:19,393 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [809167667] [2025-04-24 19:59:19,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:19,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-04-24 19:59:19,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-04-24 19:59:19,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:19,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:19,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 139 conjuncts are in the unsatisfiable core [2025-04-24 19:59:19,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:59:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7065 backedges. 6600 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:30,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [809167667] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:30,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:59:30,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 136] total 271 [2025-04-24 19:59:30,974 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:59:30,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2025-04-24 19:59:30,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash -954847382, now seen corresponding path program 1 times [2025-04-24 19:59:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:59:30,984 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043210460] [2025-04-24 19:59:30,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:31,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-04-24 19:59:31,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-04-24 19:59:31,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:31,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7333 backedges. 6369 proven. 964 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:41,045 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:59:41,045 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043210460] [2025-04-24 19:59:41,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043210460] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:41,045 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1855129067] [2025-04-24 19:59:41,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:41,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:41,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-04-24 19:59:41,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-04-24 19:59:41,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:41,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:41,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 141 conjuncts are in the unsatisfiable core [2025-04-24 19:59:41,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:59:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7333 backedges. 6868 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:53,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1855129067] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:53,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:59:53,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 275 [2025-04-24 19:59:53,155 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:59:53,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2025-04-24 19:59:53,164 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:53,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1679515493, now seen corresponding path program 1 times [2025-04-24 19:59:53,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:59:53,164 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706210896] [2025-04-24 19:59:53,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:53,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:53,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 484 statements into 1 equivalence classes. [2025-04-24 19:59:53,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 19:59:53,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:53,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7469 backedges. 6633 proven. 836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:00:03,704 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:00:03,704 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706210896] [2025-04-24 20:00:03,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706210896] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:00:03,704 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [442687035] [2025-04-24 20:00:03,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:00:03,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:00:03,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 484 statements into 1 equivalence classes. [2025-04-24 20:00:03,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 20:00:03,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:00:03,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:03,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 145 conjuncts are in the unsatisfiable core [2025-04-24 20:00:03,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:00:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7469 backedges. 7004 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:00:16,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [442687035] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:00:16,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:00:16,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 142] total 283 [2025-04-24 20:00:16,436 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 504 [2025-04-24 20:00:16,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 510 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 514 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-24 20:00:16,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-24 20:00:16,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-04-24 20:00:16,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-04-24 20:00:16,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-04-24 20:00:16,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-04-24 20:00:16,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-04-24 20:00:16,437 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:16,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-24 20:00:16,437 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:16,437 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:00:16,437 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:00:16,438 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:00:16,438 INFO L85 PathProgramCache]: Analyzing trace with hash -165452564, now seen corresponding path program 20 times [2025-04-24 20:00:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:00:16,438 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104939665] [2025-04-24 20:00:16,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:00:16,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:00:16,471 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 574 statements into 2 equivalence classes. [2025-04-24 20:00:16,611 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 574 of 574 statements. [2025-04-24 20:00:16,611 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:00:16,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 7083 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:00:30,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:00:30,005 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104939665] [2025-04-24 20:00:30,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104939665] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:00:30,005 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659060293] [2025-04-24 20:00:30,005 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:00:30,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:00:30,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:00:30,007 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 20:00:30,007 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 20:00:30,259 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 574 statements into 2 equivalence classes. [2025-04-24 20:00:30,428 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 574 of 574 statements. [2025-04-24 20:00:30,428 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:00:30,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:30,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-24 20:00:30,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:00:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 4749 proven. 465 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-04-24 20:00:34,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:00:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 4749 proven. 465 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-04-24 20:00:38,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659060293] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:00:38,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:00:38,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [160, 63, 63] total 282 [2025-04-24 20:00:38,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738023383] [2025-04-24 20:00:38,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:00:38,234 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2025-04-24 20:00:38,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:00:38,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2025-04-24 20:00:38,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11543, Invalid=68263, Unknown=0, NotChecked=0, Total=79806 [2025-04-24 20:00:38,239 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:38,239 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:00:38,239 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 3.6537102473498235) internal successors, (1034), 282 states have internal predecessors, (1034), 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 20:00:38,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 20:00:38,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:38,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:38,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 20:00:38,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:00:38,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 20:00:38,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:00:38,631 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 20:00:38,821 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,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2025-04-24 20:00:38,821 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 20:00:38,822 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:00:38,822 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #5 [2025-04-24 20:00:38,822 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:00:38,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 20:00:38,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:38,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 20:00:38,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:38,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 20:00:38,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:38,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 20:00:38,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:38,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 20:00:38,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:38,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-24 20:00:38,845 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:00:38,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1899647401, now seen corresponding path program 1 times [2025-04-24 20:00:38,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:00:38,846 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900719040] [2025-04-24 20:00:38,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:00:38,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:00:38,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-04-24 20:00:38,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-04-24 20:00:38,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:00:38,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7096 backedges. 6240 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:00:48,495 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:00:48,495 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900719040] [2025-04-24 20:00:48,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900719040] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:00:48,495 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [937018305] [2025-04-24 20:00:48,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:00:48,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:00:48,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-04-24 20:00:48,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-04-24 20:00:48,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:00:48,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:48,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-04-24 20:00:48,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:01:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7096 backedges. 6600 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:00,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [937018305] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:00,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:01:00,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 137] total 273 [2025-04-24 20:01:00,092 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:01:00,092 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-04-24 20:01:00,101 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:01:00,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1318804676, now seen corresponding path program 1 times [2025-04-24 20:01:00,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:01:00,101 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981231209] [2025-04-24 20:01:00,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:01:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:00,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-24 20:01:00,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-24 20:01:00,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:01:00,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 6369 proven. 995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:09,829 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:01:09,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981231209] [2025-04-24 20:01:09,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981231209] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:09,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [659227623] [2025-04-24 20:01:09,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:01:09,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:09,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-24 20:01:09,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-24 20:01:09,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:01:09,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:09,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 142 conjuncts are in the unsatisfiable core [2025-04-24 20:01:09,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:01:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 6868 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:21,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [659227623] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:21,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:01:21,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 139] total 277 [2025-04-24 20:01:21,662 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:01:21,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-24 20:01:21,670 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:01:21,670 INFO L85 PathProgramCache]: Analyzing trace with hash -833854867, now seen corresponding path program 1 times [2025-04-24 20:01:21,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:01:21,670 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889585433] [2025-04-24 20:01:21,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:01:21,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:21,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 485 statements into 1 equivalence classes. [2025-04-24 20:01:21,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 20:01:21,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:01:21,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 6633 proven. 867 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:31,994 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:01:31,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889585433] [2025-04-24 20:01:31,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889585433] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:31,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [388901873] [2025-04-24 20:01:31,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:01:31,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:32,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 485 statements into 1 equivalence classes. [2025-04-24 20:01:32,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 20:01:32,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:01:32,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:32,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 146 conjuncts are in the unsatisfiable core [2025-04-24 20:01:32,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:01:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 7004 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:44,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [388901873] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:44,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:01:44,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [143, 143] total 285 [2025-04-24 20:01:44,694 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-04-24 20:01:44,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 515 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 531 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 535 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2025-04-24 20:01:44,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 555 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 559 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 567 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 569 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-24 20:01:44,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:44,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 573 [2025-04-24 20:01:44,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:44,695 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:01:44,695 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:01:44,695 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:01:44,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1447642485, now seen corresponding path program 21 times [2025-04-24 20:01:44,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:01:44,696 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172058974] [2025-04-24 20:01:44,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:01:44,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:44,727 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 575 statements into 35 equivalence classes. [2025-04-24 20:01:48,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) and asserted 575 of 575 statements. [2025-04-24 20:01:48,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2025-04-24 20:01:48,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8059 backedges. 7189 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:53,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:01:53,942 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172058974] [2025-04-24 20:01:53,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172058974] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:53,942 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200217357] [2025-04-24 20:01:53,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:01:53,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:01:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:01:53,944 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 20:01:53,945 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 20:01:54,215 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 575 statements into 35 equivalence classes. [2025-04-24 20:02:14,578 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) and asserted 575 of 575 statements. [2025-04-24 20:02:14,578 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2025-04-24 20:02:14,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:14,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-04-24 20:02:14,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:02:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8059 backedges. 7113 proven. 496 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-04-24 20:02:17,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:02:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8059 backedges. 7113 proven. 496 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-04-24 20:02:20,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200217357] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:02:20,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:02:20,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 72, 72] total 199 [2025-04-24 20:02:20,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577670569] [2025-04-24 20:02:20,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:02:20,198 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 200 states [2025-04-24 20:02:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:02:20,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2025-04-24 20:02:20,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8801, Invalid=30999, Unknown=0, NotChecked=0, Total=39800 [2025-04-24 20:02:20,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:20,202 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:02:20,203 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 200 states, 200 states have (on average 6.055) internal successors, (1211), 199 states have internal predecessors, (1211), 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 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:02:20,203 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 20:02:20,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:02:20,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:02:20,534 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 20:02:20,697 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-04-24 20:02:20,697 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 20:02:20,697 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:02:20,698 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #6 [2025-04-24 20:02:20,698 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:02:20,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 20:02:20,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:02:20,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 20:02:20,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:02:20,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 20:02:20,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:02:20,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 20:02:20,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:02:20,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 20:02:20,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:02:20,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-24 20:02:20,718 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:02:20,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2092036814, now seen corresponding path program 1 times [2025-04-24 20:02:20,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:02:20,718 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939182005] [2025-04-24 20:02:20,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:20,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:20,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 20:02:20,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 20:02:20,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:20,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7380 backedges. 6501 proven. 879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:27,571 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:02:27,571 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939182005] [2025-04-24 20:02:27,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939182005] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:27,571 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2110736663] [2025-04-24 20:02:27,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:27,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:27,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 20:02:27,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 20:02:27,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:27,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:27,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 113 conjuncts are in the unsatisfiable core [2025-04-24 20:02:27,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:02:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7380 backedges. 6600 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:33,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2110736663] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:33,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:02:33,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111] total 220 [2025-04-24 20:02:33,896 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:02:33,896 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 476 [2025-04-24 20:02:33,905 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:02:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash 144965317, now seen corresponding path program 1 times [2025-04-24 20:02:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:02:33,905 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829857033] [2025-04-24 20:02:33,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:33,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 477 statements into 1 equivalence classes. [2025-04-24 20:02:34,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 477 of 477 statements. [2025-04-24 20:02:34,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:34,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 7648 backedges. 6766 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:40,686 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:02:40,686 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829857033] [2025-04-24 20:02:40,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829857033] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:40,686 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1484519442] [2025-04-24 20:02:40,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:40,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:40,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 477 statements into 1 equivalence classes. [2025-04-24 20:02:40,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 477 of 477 statements. [2025-04-24 20:02:40,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:40,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:40,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 2078 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-24 20:02:40,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:02:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7648 backedges. 6868 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:47,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1484519442] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:47,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:02:47,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111] total 221 [2025-04-24 20:02:47,181 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:02:47,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 20:02:47,190 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:02:47,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2120531446, now seen corresponding path program 1 times [2025-04-24 20:02:47,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:02:47,191 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018660122] [2025-04-24 20:02:47,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:47,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:47,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 493 statements into 1 equivalence classes. [2025-04-24 20:02:47,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 493 of 493 statements. [2025-04-24 20:02:47,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:47,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7784 backedges. 6902 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:54,312 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:02:54,312 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018660122] [2025-04-24 20:02:54,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018660122] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:54,312 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [978995169] [2025-04-24 20:02:54,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:54,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:54,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 493 statements into 1 equivalence classes. [2025-04-24 20:02:54,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 493 of 493 statements. [2025-04-24 20:02:54,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:54,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:54,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 116 conjuncts are in the unsatisfiable core [2025-04-24 20:02:54,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 7784 backedges. 7004 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:01,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [978995169] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:01,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:03:01,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 113] total 225 [2025-04-24 20:03:01,098 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-04-24 20:03:01,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-24 20:03:01,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-24 20:03:01,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2025-04-24 20:03:01,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-24 20:03:01,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-04-24 20:03:01,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 531 [2025-04-24 20:03:01,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 535 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 555 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 559 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 567 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 575 [2025-04-24 20:03:01,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 577 [2025-04-24 20:03:01,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-04-24 20:03:01,100 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:03:01,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 581 [2025-04-24 20:03:01,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:01,100 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:03:01,100 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:01,100 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:01,100 INFO L85 PathProgramCache]: Analyzing trace with hash 205668597, now seen corresponding path program 22 times [2025-04-24 20:03:01,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:01,100 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994737611] [2025-04-24 20:03:01,100 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:03:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:01,133 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 583 statements into 2 equivalence classes. [2025-04-24 20:03:01,171 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 286 of 583 statements. [2025-04-24 20:03:01,171 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:03:01,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 7003 proven. 559 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2025-04-24 20:03:03,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:03,857 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994737611] [2025-04-24 20:03:03,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994737611] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:03,857 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279929] [2025-04-24 20:03:03,857 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:03:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:03,858 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 20:03:03,859 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 20:03:04,161 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 583 statements into 2 equivalence classes. [2025-04-24 20:03:04,229 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 286 of 583 statements. [2025-04-24 20:03:04,229 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:03:04,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:04,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-04-24 20:03:04,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 0 proven. 7563 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2025-04-24 20:03:09,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 7003 proven. 559 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2025-04-24 20:03:11,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279929] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:11,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:11,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 131, 58] total 223 [2025-04-24 20:03:11,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403515638] [2025-04-24 20:03:11,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:11,709 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2025-04-24 20:03:11,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:11,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2025-04-24 20:03:11,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7725, Invalid=41781, Unknown=0, NotChecked=0, Total=49506 [2025-04-24 20:03:11,712 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:11,712 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:11,713 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 6.134529147982063) internal successors, (1368), 223 states have internal predecessors, (1368), 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 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:03:11,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:03:26,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-24 20:03:26,619 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 20:03:26,812 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-04-24 20:03:26,812 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 20:03:26,812 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:26,812 INFO L139 ounterexampleChecker]: Examining path program with hash -1157683406, occurence #7 [2025-04-24 20:03:26,812 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:03:26,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 20:03:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 20:03:26,813 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:03:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 20:03:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 20:03:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:03:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 20:03:26,813 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:03:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 730 [2025-04-24 20:03:26,833 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:26,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1187413885, now seen corresponding path program 1 times [2025-04-24 20:03:26,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:03:26,834 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035709196] [2025-04-24 20:03:26,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:03:26,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:26,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 731 statements into 1 equivalence classes. [2025-04-24 20:03:27,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 731 of 731 statements. [2025-04-24 20:03:27,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:27,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat