./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 19:01:56,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 19:01:56,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 19:01:56,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 19:01:56,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 19:01:56,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 19:01:56,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 19:01:56,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 19:01:56,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 19:01:56,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 19:01:56,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 19:01:56,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 19:01:56,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 19:01:56,839 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 19:01:56,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 19:01:56,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 19:01:56,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 19:01:56,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 19:01:56,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 19:01:56,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 19:01:56,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 19:01:56,840 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 19:01:56,841 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 19:01:56,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 19:01:57,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 19:01:57,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 19:01:57,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 19:01:57,126 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 19:01:57,126 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 19:01:57,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2025-01-23 19:01:58,434 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e49eb22b5/8f51a3c119a1415fa2756c69e85b1639/FLAGebaf8c341 [2025-01-23 19:01:58,620 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 19:01:58,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2025-01-23 19:01:58,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e49eb22b5/8f51a3c119a1415fa2756c69e85b1639/FLAGebaf8c341 [2025-01-23 19:01:58,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e49eb22b5/8f51a3c119a1415fa2756c69e85b1639 [2025-01-23 19:01:58,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 19:01:58,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 19:01:58,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 19:01:58,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 19:01:58,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 19:01:58,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:58,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e73aa44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58, skipping insertion in model container [2025-01-23 19:01:58,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:58,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 19:01:58,847 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2025-01-23 19:01:58,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 19:01:58,868 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 19:01:58,928 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2025-01-23 19:01:58,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 19:01:58,947 INFO L204 MainTranslator]: Completed translation [2025-01-23 19:01:58,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58 WrapperNode [2025-01-23 19:01:58,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 19:01:58,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 19:01:58,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 19:01:58,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 19:01:58,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:58,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:58,994 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 288 [2025-01-23 19:01:58,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 19:01:58,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 19:01:58,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 19:01:58,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 19:01:59,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 19:01:59,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 19:01:59,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 19:01:59,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 19:01:59,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (1/1) ... [2025-01-23 19:01:59,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 19:01:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:01:59,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 19:01:59,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 19:01:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 19:01:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 19:01:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 19:01:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 19:01:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 19:01:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 19:01:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 19:01:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 19:01:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 19:01:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 19:01:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 19:01:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 19:01:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 19:01:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 19:01:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 19:01:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 19:01:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 19:01:59,101 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 19:01:59,223 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 19:01:59,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 19:01:59,643 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 19:01:59,643 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 19:01:59,946 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 19:01:59,947 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-23 19:01:59,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 07:01:59 BoogieIcfgContainer [2025-01-23 19:01:59,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 19:01:59,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 19:01:59,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 19:01:59,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 19:01:59,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 07:01:58" (1/3) ... [2025-01-23 19:01:59,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8890ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 07:01:59, skipping insertion in model container [2025-01-23 19:01:59,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:01:58" (2/3) ... [2025-01-23 19:01:59,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8890ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 07:01:59, skipping insertion in model container [2025-01-23 19:01:59,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 07:01:59" (3/3) ... [2025-01-23 19:01:59,958 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2025-01-23 19:01:59,972 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 19:01:59,974 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2025-01-23 19:01:59,974 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 19:02:00,050 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-23 19:02:00,115 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:02:00,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 19:02:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:00,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 19:02:00,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 19:02:00,212 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 19:02:00,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 19:02:00,237 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e0044e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:02:00,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-23 19:02:00,589 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:00,590 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:00,592 INFO L139 ounterexampleChecker]: Examining path program with hash 1010498381, occurence #1 [2025-01-23 19:02:00,592 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:02:00,592 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:00,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1217226255, now seen corresponding path program 1 times [2025-01-23 19:02:00,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:00,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248398259] [2025-01-23 19:02:00,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:00,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:00,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 19:02:00,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 19:02:00,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:00,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:00,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:00,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248398259] [2025-01-23 19:02:00,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248398259] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:02:00,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:02:00,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 19:02:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205042234] [2025-01-23 19:02:00,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:02:00,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-23 19:02:00,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:00,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-23 19:02:00,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-23 19:02:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:00,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:00,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2025-01-23 19:02:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:01,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 19:02:01,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:01,377 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:01,378 INFO L139 ounterexampleChecker]: Examining path program with hash -328038253, occurence #1 [2025-01-23 19:02:01,378 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:02:01,378 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:01,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:01,378 INFO L85 PathProgramCache]: Analyzing trace with hash -308564806, now seen corresponding path program 1 times [2025-01-23 19:02:01,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:01,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237951025] [2025-01-23 19:02:01,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:01,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-23 19:02:01,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-23 19:02:01,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:01,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237951025] [2025-01-23 19:02:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237951025] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:02:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:02:02,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 19:02:02,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298672330] [2025-01-23 19:02:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:02:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 19:02:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:02,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 19:02:02,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 19:02:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:02,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:02,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 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) [2025-01-23 19:02:02,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:02,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:02,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 19:02:02,371 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:02,372 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:02,372 INFO L139 ounterexampleChecker]: Examining path program with hash -328038253, occurence #2 [2025-01-23 19:02:02,372 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:02:02,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:02:02,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:02,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-23 19:02:02,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:02,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-23 19:02:02,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:02,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:02:02,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:02,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 19:02:02,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:02,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-23 19:02:02,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:02,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2126812619, now seen corresponding path program 1 times [2025-01-23 19:02:02,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:02,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789926191] [2025-01-23 19:02:02,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:02,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:02,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-23 19:02:02,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 19:02:02,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:02,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:02,785 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:02:02,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789926191] [2025-01-23 19:02:02,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789926191] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:02,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [223717293] [2025-01-23 19:02:02,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:02,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:02,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-23 19:02:02,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 19:02:02,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:02,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:02,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 19:02:02,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:02,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [223717293] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:02,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:02:02,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-23 19:02:02,967 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:02:02,967 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-23 19:02:03,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:02:03,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:02:05,100 WARN L331 ript$VariableManager]: TermVariable v_~i1~0_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:05,100 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:05,100 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:05,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:05,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1119614862, now seen corresponding path program 1 times [2025-01-23 19:02:05,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:05,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377134334] [2025-01-23 19:02:05,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:05,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:05,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-23 19:02:05,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-23 19:02:05,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:05,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:05,317 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:02:05,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377134334] [2025-01-23 19:02:05,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377134334] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:05,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [233428688] [2025-01-23 19:02:05,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:05,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-23 19:02:05,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-23 19:02:05,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:05,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:05,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 19:02:05,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:05,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [233428688] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:05,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:02:05,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-23 19:02:05,444 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:02:05,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 19:02:05,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:02:05,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:02:06,569 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:06,569 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:06,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1734325935, now seen corresponding path program 1 times [2025-01-23 19:02:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:06,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816747687] [2025-01-23 19:02:06,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:06,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-23 19:02:06,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-23 19:02:06,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:06,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:06,797 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:02:06,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816747687] [2025-01-23 19:02:06,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816747687] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:06,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [95218919] [2025-01-23 19:02:06,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:06,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:06,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-23 19:02:06,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-23 19:02:06,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:06,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:06,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 19:02:06,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:06,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [95218919] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:06,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:02:06,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-23 19:02:06,943 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:02:06,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-23 19:02:06,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:06,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-23 19:02:07,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:07,108 INFO L85 PathProgramCache]: Analyzing trace with hash -835469828, now seen corresponding path program 1 times [2025-01-23 19:02:07,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:07,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979116806] [2025-01-23 19:02:07,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:07,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:07,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-23 19:02:07,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-23 19:02:07,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:07,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:07,372 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:02:07,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979116806] [2025-01-23 19:02:07,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979116806] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:07,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2049843866] [2025-01-23 19:02:07,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:07,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:07,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-23 19:02:07,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-23 19:02:07,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:07,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:07,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 19:02:07,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:07,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2049843866] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:07,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:02:07,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-23 19:02:07,494 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:02:07,494 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2025-01-23 19:02:07,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-23 19:02:07,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:07,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-01-23 19:02:07,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:07,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-23 19:02:07,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:07,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-23 19:02:07,494 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:07,494 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:02:07,494 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:07,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1981939967, now seen corresponding path program 1 times [2025-01-23 19:02:07,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:07,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000591141] [2025-01-23 19:02:07,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:07,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-23 19:02:07,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-23 19:02:07,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:07,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:07,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:07,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000591141] [2025-01-23 19:02:07,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000591141] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:07,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501643925] [2025-01-23 19:02:07,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:07,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:07,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:07,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 19:02:07,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-23 19:02:08,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-23 19:02:08,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:08,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:08,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-23 19:02:08,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:08,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:08,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501643925] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:08,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:08,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 24 [2025-01-23 19:02:08,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452236618] [2025-01-23 19:02:08,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:08,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-23 19:02:08,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:08,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-23 19:02:08,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2025-01-23 19:02:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:08,709 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:08,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 24 states have internal predecessors, (222), 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) [2025-01-23 19:02:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:09,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 19:02:09,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2025-01-23 19:02:09,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:09,222 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:09,222 INFO L139 ounterexampleChecker]: Examining path program with hash -328038253, occurence #3 [2025-01-23 19:02:09,222 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:02:09,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:02:09,222 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:09,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-23 19:02:09,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:09,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:02:09,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:09,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 19:02:09,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:09,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 19:02:09,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:09,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-23 19:02:09,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash -202970584, now seen corresponding path program 1 times [2025-01-23 19:02:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:09,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173175415] [2025-01-23 19:02:09,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:09,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-23 19:02:09,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 19:02:09,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:09,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:02:09,464 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:02:09,465 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:02:09,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-23 19:02:09,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:02:09,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:02:10,564 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:10,564 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:10,564 WARN L331 ript$VariableManager]: TermVariable v_~i1~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:10,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1917266945, now seen corresponding path program 1 times [2025-01-23 19:02:10,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:10,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040025097] [2025-01-23 19:02:10,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:10,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:10,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-23 19:02:10,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-23 19:02:10,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:10,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:02:10,643 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:02:10,643 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:02:10,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-23 19:02:10,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:02:10,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:02:12,751 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:12,752 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:12,752 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:12,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1201393604, now seen corresponding path program 1 times [2025-01-23 19:02:12,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:12,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282047020] [2025-01-23 19:02:12,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:12,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:12,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-23 19:02:12,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-23 19:02:12,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:12,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:13,094 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:02:13,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282047020] [2025-01-23 19:02:13,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282047020] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:13,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2046698900] [2025-01-23 19:02:13,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:13,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:13,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-23 19:02:13,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-23 19:02:13,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:13,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:13,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-23 19:02:13,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:13,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2046698900] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:13,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:02:13,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-01-23 19:02:13,417 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:02:13,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 19:02:13,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:13,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-23 19:02:13,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:13,566 INFO L85 PathProgramCache]: Analyzing trace with hash 128381569, now seen corresponding path program 1 times [2025-01-23 19:02:13,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:13,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146005384] [2025-01-23 19:02:13,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:13,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:13,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-23 19:02:13,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-23 19:02:13,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:13,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:14,236 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:02:14,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146005384] [2025-01-23 19:02:14,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146005384] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:14,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [787390490] [2025-01-23 19:02:14,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:14,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:14,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-23 19:02:14,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-23 19:02:14,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:14,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:14,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-23 19:02:14,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:14,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [787390490] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:14,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:02:14,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2025-01-23 19:02:14,964 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:02:14,964 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2025-01-23 19:02:14,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-23 19:02:14,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:14,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-23 19:02:14,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:14,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 19:02:14,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:14,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 19:02:14,965 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:14,965 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:02:14,965 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:14,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:14,966 INFO L85 PathProgramCache]: Analyzing trace with hash 348227194, now seen corresponding path program 2 times [2025-01-23 19:02:14,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:14,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157815309] [2025-01-23 19:02:14,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:02:14,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:14,981 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-01-23 19:02:15,020 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 116 of 120 statements. [2025-01-23 19:02:15,020 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 19:02:15,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 19:02:15,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157815309] [2025-01-23 19:02:15,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157815309] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:02:15,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:02:15,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-23 19:02:15,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128615234] [2025-01-23 19:02:15,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:02:15,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 19:02:15,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:15,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 19:02:15,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-23 19:02:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:15,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:15,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:02:15,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:15,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:15,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:15,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:15,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-23 19:02:15,757 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:15,757 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:15,757 INFO L139 ounterexampleChecker]: Examining path program with hash -812839892, occurence #1 [2025-01-23 19:02:15,757 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:02:15,757 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:15,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:15,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1989206232, now seen corresponding path program 3 times [2025-01-23 19:02:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:15,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277330008] [2025-01-23 19:02:15,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:02:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:15,788 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-01-23 19:02:16,053 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-01-23 19:02:16,054 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 19:02:16,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-23 19:02:16,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:16,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277330008] [2025-01-23 19:02:16,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277330008] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:16,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645011685] [2025-01-23 19:02:16,742 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:02:16,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:16,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:16,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 19:02:16,841 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-01-23 19:02:16,973 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-01-23 19:02:16,973 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 19:02:16,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:16,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-23 19:02:16,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-23 19:02:17,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 51 proven. 13 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-23 19:02:18,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645011685] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:18,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:18,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 54 [2025-01-23 19:02:18,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498121324] [2025-01-23 19:02:18,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:18,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-01-23 19:02:18,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:18,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-01-23 19:02:18,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=854, Invalid=2116, Unknown=0, NotChecked=0, Total=2970 [2025-01-23 19:02:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:18,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:18,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.672727272727273) internal successors, (367), 54 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:02:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:18,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:18,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 19:02:18,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:18,783 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:18,783 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:18,783 INFO L139 ounterexampleChecker]: Examining path program with hash -812839892, occurence #2 [2025-01-23 19:02:18,783 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:02:18,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:02:18,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 19:02:18,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:18,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 19:02:18,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:18,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 19:02:18,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:18,786 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-23 19:02:18,786 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:18,786 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-23 19:02:18,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:18,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1525633347, now seen corresponding path program 1 times [2025-01-23 19:02:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:18,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779157013] [2025-01-23 19:02:18,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:18,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-23 19:02:18,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-23 19:02:18,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:18,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:02:18,964 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:02:18,964 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:02:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 19:02:18,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-23 19:02:18,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-01-23 19:02:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:18,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-01-23 19:02:18,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:18,966 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:02:18,966 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:18,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:18,966 INFO L85 PathProgramCache]: Analyzing trace with hash -2101255304, now seen corresponding path program 4 times [2025-01-23 19:02:18,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:18,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063152716] [2025-01-23 19:02:18,967 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:02:18,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:18,985 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-01-23 19:02:18,993 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-01-23 19:02:18,993 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:02:18,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 19:02:19,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063152716] [2025-01-23 19:02:19,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063152716] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143365061] [2025-01-23 19:02:19,279 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:02:19,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:19,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:19,282 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:19,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 19:02:19,380 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-01-23 19:02:19,416 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-01-23 19:02:19,416 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:02:19,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:19,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-23 19:02:19,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 19:02:20,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-23 19:02:20,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143365061] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:20,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:20,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30, 9] total 39 [2025-01-23 19:02:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806813770] [2025-01-23 19:02:20,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:20,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-23 19:02:20,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:20,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-23 19:02:20,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2025-01-23 19:02:20,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:20,296 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:20,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.717948717948718) internal successors, (262), 39 states have internal predecessors, (262), 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) [2025-01-23 19:02:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:02:22,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 19:02:22,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:22,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:22,411 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:22,411 INFO L139 ounterexampleChecker]: Examining path program with hash -1659929460, occurence #1 [2025-01-23 19:02:22,412 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:02:22,412 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:22,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:22,412 INFO L85 PathProgramCache]: Analyzing trace with hash -749144095, now seen corresponding path program 5 times [2025-01-23 19:02:22,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:22,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944158766] [2025-01-23 19:02:22,412 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:02:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:22,443 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-01-23 19:02:22,613 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-01-23 19:02:22,613 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-23 19:02:22,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:02:23,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:23,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944158766] [2025-01-23 19:02:23,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944158766] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:23,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482986790] [2025-01-23 19:02:23,809 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:02:23,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:23,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:23,812 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:23,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 19:02:23,934 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-01-23 19:02:24,153 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-01-23 19:02:24,153 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-23 19:02:24,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:24,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-23 19:02:24,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 421 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:25,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 505 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:26,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482986790] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:26,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:26,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 33, 33] total 94 [2025-01-23 19:02:26,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494876388] [2025-01-23 19:02:26,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:26,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-01-23 19:02:26,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:26,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-01-23 19:02:26,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1840, Invalid=7090, Unknown=0, NotChecked=0, Total=8930 [2025-01-23 19:02:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:26,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:26,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.936842105263158) internal successors, (564), 94 states have internal predecessors, (564), 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) [2025-01-23 19:02:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:26,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:26,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:02:26,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:02:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:26,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 19:02:27,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:27,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:27,017 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:27,018 INFO L139 ounterexampleChecker]: Examining path program with hash -1659929460, occurence #2 [2025-01-23 19:02:27,018 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:02:27,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-23 19:02:27,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-23 19:02:27,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 19:02:27,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 19:02:27,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-23 19:02:27,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:27,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-23 19:02:27,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:27,130 INFO L85 PathProgramCache]: Analyzing trace with hash -669908114, now seen corresponding path program 1 times [2025-01-23 19:02:27,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:27,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560546412] [2025-01-23 19:02:27,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:27,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:27,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-01-23 19:02:27,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-01-23 19:02:27,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:27,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:02:27,610 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:02:27,610 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:02:27,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-23 19:02:27,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:27,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-01-23 19:02:27,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:27,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-23 19:02:27,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:27,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-01-23 19:02:27,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:27,611 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:02:27,611 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:27,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1710126369, now seen corresponding path program 6 times [2025-01-23 19:02:27,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:27,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925583206] [2025-01-23 19:02:27,612 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:02:27,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:27,638 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 214 statements into 12 equivalence classes. [2025-01-23 19:02:28,181 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 214 of 214 statements. [2025-01-23 19:02:28,183 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-01-23 19:02:28,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2025-01-23 19:02:29,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:29,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925583206] [2025-01-23 19:02:29,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925583206] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:02:29,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:02:29,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-23 19:02:29,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779727642] [2025-01-23 19:02:29,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:02:29,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-23 19:02:29,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:29,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-23 19:02:29,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-23 19:02:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:29,362 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:29,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:02:29,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:29,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:29,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2025-01-23 19:02:29,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:29,717 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:29,717 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #1 [2025-01-23 19:02:29,718 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:02:29,718 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:29,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash 169618148, now seen corresponding path program 7 times [2025-01-23 19:02:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:29,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370995379] [2025-01-23 19:02:29,718 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:02:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:29,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-01-23 19:02:29,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-01-23 19:02:29,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:29,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 543 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370995379] [2025-01-23 19:02:33,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370995379] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:33,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87053723] [2025-01-23 19:02:33,800 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:02:33,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:33,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:33,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:33,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 19:02:33,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-01-23 19:02:34,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-01-23 19:02:34,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:34,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:34,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 19:02:34,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 433 proven. 337 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 19:02:36,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 517 proven. 253 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 19:02:39,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87053723] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:39,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:39,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 47, 47] total 166 [2025-01-23 19:02:39,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762383863] [2025-01-23 19:02:39,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:39,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2025-01-23 19:02:39,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:39,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2025-01-23 19:02:39,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4197, Invalid=23525, Unknown=0, NotChecked=0, Total=27722 [2025-01-23 19:02:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:39,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:39,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 4.11377245508982) internal successors, (687), 166 states have internal predecessors, (687), 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) [2025-01-23 19:02:39,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:02:40,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 19:02:40,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-23 19:02:40,791 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:40,791 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:40,791 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #2 [2025-01-23 19:02:40,791 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:02:40,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:02:40,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:40,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 19:02:40,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:40,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 19:02:40,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:40,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 19:02:40,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:40,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 19:02:40,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:40,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-01-23 19:02:40,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:40,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-23 19:02:40,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:02:40,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:02:40,869 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:40,869 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:40,869 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:40,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:40,870 INFO L85 PathProgramCache]: Analyzing trace with hash 165669734, now seen corresponding path program 1 times [2025-01-23 19:02:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:40,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078308422] [2025-01-23 19:02:40,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:40,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:40,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-23 19:02:41,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-23 19:02:41,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:41,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:02:41,239 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:02:41,240 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:02:41,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-01-23 19:02:41,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-23 19:02:41,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-23 19:02:41,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-01-23 19:02:41,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-01-23 19:02:41,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-01-23 19:02:41,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-01-23 19:02:41,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:41,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-23 19:02:41,241 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:41,241 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:02:41,241 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:41,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:41,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1645628356, now seen corresponding path program 8 times [2025-01-23 19:02:41,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:41,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025324349] [2025-01-23 19:02:41,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:02:41,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:41,267 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-01-23 19:02:41,332 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-01-23 19:02:41,333 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:02:41,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:43,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:43,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025324349] [2025-01-23 19:02:43,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025324349] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:43,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241092932] [2025-01-23 19:02:43,669 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:02:43,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:43,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:43,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 19:02:43,827 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-01-23 19:02:43,938 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-01-23 19:02:43,938 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:02:43,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:43,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-01-23 19:02:43,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 525 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:46,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:02:48,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241092932] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:48,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:48,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 131 [2025-01-23 19:02:48,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484289738] [2025-01-23 19:02:48,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:48,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-01-23 19:02:48,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:48,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-01-23 19:02:48,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3989, Invalid=13303, Unknown=0, NotChecked=0, Total=17292 [2025-01-23 19:02:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:48,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:48,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.4772727272727275) internal successors, (591), 131 states have internal predecessors, (591), 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) [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:02:48,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:02:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:02:49,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 19:02:49,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-23 19:02:49,306 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:49,306 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:49,306 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #3 [2025-01-23 19:02:49,306 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:02:49,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:02:49,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:49,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 19:02:49,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:49,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 19:02:49,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:49,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 19:02:49,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:49,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 19:02:49,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:49,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-23 19:02:49,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:49,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-23 19:02:49,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:02:49,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:02:50,371 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:50,371 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:50,371 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:02:50,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:50,372 INFO L85 PathProgramCache]: Analyzing trace with hash 317598352, now seen corresponding path program 1 times [2025-01-23 19:02:50,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:02:50,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276633999] [2025-01-23 19:02:50,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:02:50,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:50,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-01-23 19:02:50,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-01-23 19:02:50,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:02:50,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:02:50,807 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:02:50,807 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:02:50,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-01-23 19:02:50,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-01-23 19:02:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-23 19:02:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-23 19:02:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-01-23 19:02:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-23 19:02:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-01-23 19:02:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:02:50,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-23 19:02:50,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:02:50,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:02:50,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:50,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:50,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1088268843, now seen corresponding path program 9 times [2025-01-23 19:02:50,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:50,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716915558] [2025-01-23 19:02:50,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:02:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:50,838 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-01-23 19:02:51,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-01-23 19:02:51,483 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-23 19:02:51,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 129 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-01-23 19:02:52,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:52,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716915558] [2025-01-23 19:02:52,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716915558] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:52,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727616093] [2025-01-23 19:02:52,596 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:02:52,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:52,599 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:52,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 19:02:52,750 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-01-23 19:02:53,072 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-01-23 19:02:53,072 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-23 19:02:53,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:53,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-01-23 19:02:53,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:02:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 517 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-23 19:02:54,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:02:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-01-23 19:02:54,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727616093] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:02:54,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:02:54,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 52, 9] total 62 [2025-01-23 19:02:54,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870350608] [2025-01-23 19:02:54,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:02:54,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-01-23 19:02:54,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:02:54,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-01-23 19:02:54,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=3196, Unknown=0, NotChecked=0, Total=3782 [2025-01-23 19:02:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:54,375 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:02:54,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.112903225806452) internal successors, (379), 62 states have internal predecessors, (379), 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) [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:54,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:02:54,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:02:54,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:02:57,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-23 19:02:57,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-23 19:02:57,409 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:02:57,409 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:02:57,409 INFO L139 ounterexampleChecker]: Examining path program with hash -1125829440, occurence #1 [2025-01-23 19:02:57,409 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:02:57,409 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:02:57,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:02:57,410 INFO L85 PathProgramCache]: Analyzing trace with hash -80474864, now seen corresponding path program 10 times [2025-01-23 19:02:57,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:02:57,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157521945] [2025-01-23 19:02:57,410 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:02:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:02:57,453 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-01-23 19:02:57,470 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-01-23 19:02:57,470 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:02:57,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 405 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2025-01-23 19:02:58,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:02:58,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157521945] [2025-01-23 19:02:58,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157521945] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:02:58,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856407088] [2025-01-23 19:02:58,561 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:02:58,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:02:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:02:58,564 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:02:58,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 19:02:58,753 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-01-23 19:02:58,812 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-01-23 19:02:58,812 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:02:58,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:02:58,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-01-23 19:02:58,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:03:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 1512 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-23 19:03:00,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:03:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 78 proven. 293 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2025-01-23 19:03:01,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856407088] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:03:01,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:03:01,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 83, 12] total 95 [2025-01-23 19:03:01,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203782857] [2025-01-23 19:03:01,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:03:01,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-01-23 19:03:01,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:03:01,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-01-23 19:03:01,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=973, Invalid=7957, Unknown=0, NotChecked=0, Total=8930 [2025-01-23 19:03:01,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:03:01,387 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:03:01,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.3052631578947365) internal successors, (504), 95 states have internal predecessors, (504), 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) [2025-01-23 19:03:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:03:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:03:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:03:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:03:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:03:01,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:03:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:03:08,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-23 19:03:09,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:03:09,081 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:03:09,081 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:03:09,081 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #4 [2025-01-23 19:03:09,081 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:03:09,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:03:09,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:09,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 19:03:09,081 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:03:09,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 19:03:09,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:03:09,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 19:03:09,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:03:09,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 19:03:09,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:03:09,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2025-01-23 19:03:09,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:09,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-01-23 19:03:09,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:03:09,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:03:10,141 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:03:10,141 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:03:10,141 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:03:10,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:03:10,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1271052199, now seen corresponding path program 1 times [2025-01-23 19:03:10,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:03:10,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477255459] [2025-01-23 19:03:10,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:03:10,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:03:10,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-01-23 19:03:10,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-01-23 19:03:10,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:03:10,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:03:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3642 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:03:21,088 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:03:21,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477255459] [2025-01-23 19:03:21,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477255459] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:03:21,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [752969901] [2025-01-23 19:03:21,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:03:21,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:03:21,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-01-23 19:03:21,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-01-23 19:03:21,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:03:21,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:03:21,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 137 conjuncts are in the unsatisfiable core [2025-01-23 19:03:21,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:03:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3435 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:03:34,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [752969901] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:03:34,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:03:34,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 133] total 266 [2025-01-23 19:03:34,885 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-01-23 19:03:34,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-01-23 19:03:34,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-01-23 19:03:34,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-01-23 19:03:34,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-01-23 19:03:34,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-01-23 19:03:34,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:03:34,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2025-01-23 19:03:34,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:03:34,887 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:03:34,887 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:03:34,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:03:34,888 INFO L85 PathProgramCache]: Analyzing trace with hash -330040652, now seen corresponding path program 11 times [2025-01-23 19:03:34,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:03:34,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033785416] [2025-01-23 19:03:34,888 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:03:34,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:03:34,920 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-01-23 19:03:36,045 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-01-23 19:03:36,045 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-01-23 19:03:36,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:03:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:03:41,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:03:41,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033785416] [2025-01-23 19:03:41,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033785416] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:03:41,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891879656] [2025-01-23 19:03:41,512 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:03:41,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:03:41,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:03:41,513 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:03:41,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 19:03:41,754 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-01-23 19:04:34,581 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-01-23 19:04:34,582 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-01-23 19:04:34,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:34,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-01-23 19:04:34,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:04:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3453 proven. 605 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:04:39,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:04:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3662 proven. 396 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:04:43,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891879656] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:04:43,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:04:43,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 87, 87] total 231 [2025-01-23 19:04:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298929315] [2025-01-23 19:04:43,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:04:43,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 232 states [2025-01-23 19:04:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:04:43,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2025-01-23 19:04:43,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14041, Invalid=39551, Unknown=0, NotChecked=0, Total=53592 [2025-01-23 19:04:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:04:43,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:04:43,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 232 states, 232 states have (on average 5.556034482758621) internal successors, (1289), 231 states have internal predecessors, (1289), 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) [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:04:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:04:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:04:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:04:44,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 19:04:44,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:04:44,630 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:04:44,630 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:04:44,631 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #5 [2025-01-23 19:04:44,631 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:04:44,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-23 19:04:44,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 19:04:44,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-23 19:04:44,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-23 19:04:44,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-23 19:04:44,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:44,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-01-23 19:04:44,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:04:44,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:04:46,683 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:04:46,683 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:04:46,683 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:04:46,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:04:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash -535222653, now seen corresponding path program 1 times [2025-01-23 19:04:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:04:46,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067906596] [2025-01-23 19:04:46,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:04:46,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:46,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-01-23 19:04:48,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-01-23 19:04:48,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:04:48,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:04:48,650 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:04:48,651 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:04:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2025-01-23 19:04:48,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-01-23 19:04:48,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-01-23 19:04:48,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-01-23 19:04:48,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2025-01-23 19:04:48,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-01-23 19:04:48,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-01-23 19:04:48,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-01-23 19:04:48,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-01-23 19:04:48,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-01-23 19:04:48,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-23 19:04:48,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-23 19:04:48,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:48,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-23 19:04:48,653 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:48,653 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:04:48,653 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:04:48,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:04:48,654 INFO L85 PathProgramCache]: Analyzing trace with hash 228918221, now seen corresponding path program 12 times [2025-01-23 19:04:48,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:04:48,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116652608] [2025-01-23 19:04:48,654 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:04:48,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:48,706 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-01-23 19:04:52,652 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-01-23 19:04:52,652 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-01-23 19:04:52,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:05:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3680 proven. 1596 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:05:01,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:05:01,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116652608] [2025-01-23 19:05:01,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116652608] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:05:01,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203729248] [2025-01-23 19:05:01,818 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:05:01,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:05:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:05:01,820 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:05:01,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-23 19:05:02,062 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-01-23 19:07:19,782 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-01-23 19:07:19,782 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-01-23 19:07:19,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:19,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 119 conjuncts are in the unsatisfiable core [2025-01-23 19:07:19,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3453 proven. 1823 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:07:30,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3662 proven. 1614 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:07:38,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203729248] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:38,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:38,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 116, 116] total 290 [2025-01-23 19:07:38,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255661024] [2025-01-23 19:07:38,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:38,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 291 states [2025-01-23 19:07:38,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:38,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 291 interpolants. [2025-01-23 19:07:38,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18824, Invalid=65566, Unknown=0, NotChecked=0, Total=84390 [2025-01-23 19:07:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:38,665 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:38,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 291 states, 291 states have (on average 5.319587628865979) internal successors, (1548), 290 states have internal predecessors, (1548), 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) [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:07:38,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:07:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:07:42,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-23 19:07:42,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2025-01-23 19:07:42,838 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:07:42,838 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:42,838 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #6 [2025-01-23 19:07:42,838 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:07:42,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:07:42,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:42,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-23 19:07:42,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:42,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-23 19:07:42,839 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:42,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 19:07:42,839 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:42,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-23 19:07:42,839 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:42,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-01-23 19:07:42,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:42,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-01-23 19:07:42,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:07:42,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:07:44,196 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:44,197 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:44,197 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:44,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash -212457626, now seen corresponding path program 1 times [2025-01-23 19:07:44,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:07:44,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15431834] [2025-01-23 19:07:44,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:44,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 500 statements into 1 equivalence classes. [2025-01-23 19:07:46,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 500 of 500 statements. [2025-01-23 19:07:46,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:46,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:07:46,381 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:07:46,381 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 508 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 515 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-01-23 19:07:46,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 540 [2025-01-23 19:07:46,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-01-23 19:07:46,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-01-23 19:07:46,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-23 19:07:46,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-23 19:07:46,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:46,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-01-23 19:07:46,382 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:46,382 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:07:46,382 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:46,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:46,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2118796115, now seen corresponding path program 13 times [2025-01-23 19:07:46,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:46,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136667565] [2025-01-23 19:07:46,384 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:07:46,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:46,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 562 statements into 1 equivalence classes. [2025-01-23 19:07:46,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 562 of 562 statements. [2025-01-23 19:07:46,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:46,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5553 backedges. 3842 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:56,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:56,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136667565] [2025-01-23 19:07:56,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136667565] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:56,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23907743] [2025-01-23 19:07:56,423 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:07:56,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:56,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:56,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:56,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-23 19:07:56,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 562 statements into 1 equivalence classes. [2025-01-23 19:07:56,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 562 of 562 statements. [2025-01-23 19:07:56,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:56,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:56,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 2505 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-01-23 19:07:56,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:08:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5553 backedges. 3779 proven. 1774 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:08:08,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:08:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5553 backedges. 3842 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:08:17,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23907743] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:08:17,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:08:17,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [122, 121, 121] total 304 [2025-01-23 19:08:17,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079069927] [2025-01-23 19:08:17,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:08:17,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 305 states [2025-01-23 19:08:17,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:08:17,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 305 interpolants. [2025-01-23 19:08:17,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20915, Invalid=71805, Unknown=0, NotChecked=0, Total=92720 [2025-01-23 19:08:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:17,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:08:17,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 305 states, 305 states have (on average 5.049180327868853) internal successors, (1540), 304 states have internal predecessors, (1540), 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) [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:08:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:21,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:08:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:08:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:08:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:08:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:08:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:08:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:08:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:08:21,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-23 19:08:21,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-01-23 19:08:21,848 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:08:21,848 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:08:21,849 INFO L139 ounterexampleChecker]: Examining path program with hash -874662953, occurence #7 [2025-01-23 19:08:21,849 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:08:21,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-23 19:08:21,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-23 19:08:21,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-23 19:08:21,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 19:08:21,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-01-23 19:08:21,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:21,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-01-23 19:08:21,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:08:21,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:08:22,912 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:08:22,912 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:08:22,912 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:08:22,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:08:22,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1684537641, now seen corresponding path program 1 times [2025-01-23 19:08:22,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:08:22,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662930052] [2025-01-23 19:08:22,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:08:22,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:08:22,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 504 statements into 1 equivalence classes. [2025-01-23 19:08:24,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 504 of 504 statements. [2025-01-23 19:08:24,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:08:24,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:08:24,815 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:08:24,816 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:08:24,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 512 [2025-01-23 19:08:24,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2025-01-23 19:08:24,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-01-23 19:08:24,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2025-01-23 19:08:24,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-01-23 19:08:24,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-01-23 19:08:24,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 540 [2025-01-23 19:08:24,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-01-23 19:08:24,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-01-23 19:08:24,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-23 19:08:24,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-01-23 19:08:24,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-01-23 19:08:24,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:24,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-01-23 19:08:24,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:24,818 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:08:24,818 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:08:24,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:08:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1304757869, now seen corresponding path program 14 times [2025-01-23 19:08:24,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:08:24,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261453649] [2025-01-23 19:08:24,819 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:08:24,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:08:24,871 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-01-23 19:08:25,031 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-01-23 19:08:25,031 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:08:25,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:08:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5795 backedges. 1992 proven. 3803 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:08:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:08:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261453649] [2025-01-23 19:08:38,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261453649] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:08:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013232873] [2025-01-23 19:08:38,394 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:08:38,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:08:38,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:08:38,396 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:08:38,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-23 19:08:38,680 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-01-23 19:08:38,910 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-01-23 19:08:38,910 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:08:38,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:08:38,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 120 conjuncts are in the unsatisfiable core [2025-01-23 19:08:38,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:08:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5795 backedges. 162 proven. 3680 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2025-01-23 19:08:46,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:08:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5795 backedges. 136 proven. 523 refuted. 0 times theorem prover too weak. 5136 trivial. 0 not checked. [2025-01-23 19:08:48,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013232873] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:08:48,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:08:48,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [131, 121, 14] total 263 [2025-01-23 19:08:48,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573192913] [2025-01-23 19:08:48,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:08:48,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2025-01-23 19:08:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:08:48,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2025-01-23 19:08:48,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6117, Invalid=62789, Unknown=0, NotChecked=0, Total=68906 [2025-01-23 19:08:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:48,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:08:48,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 4.547528517110266) internal successors, (1196), 263 states have internal predecessors, (1196), 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) [2025-01-23 19:08:48,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:08:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:08:48,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:09:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:09:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-01-23 19:09:11,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-23 19:09:11,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2025-01-23 19:09:11,878 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:09:11,879 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:09:11,879 INFO L139 ounterexampleChecker]: Examining path program with hash -629623741, occurence #1 [2025-01-23 19:09:11,879 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:09:11,879 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:09:11,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:09:11,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1341600466, now seen corresponding path program 15 times [2025-01-23 19:09:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:09:11,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634574807] [2025-01-23 19:09:11,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:09:11,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:09:11,928 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 834 statements into 35 equivalence classes. [2025-01-23 19:09:28,651 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) and asserted 834 of 834 statements. [2025-01-23 19:09:28,651 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2025-01-23 19:09:28,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:10:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11888 backedges. 9935 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:10:07,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:10:07,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634574807] [2025-01-23 19:10:07,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634574807] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:10:07,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839205863] [2025-01-23 19:10:07,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:10:07,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:10:07,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:10:07,630 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:10:07,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-23 19:10:08,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 834 statements into 35 equivalence classes. [2025-01-23 19:12:10,323 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) and asserted 834 of 834 statements. [2025-01-23 19:12:10,324 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2025-01-23 19:12:10,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:12:10,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 3546 conjuncts, 160 conjuncts are in the unsatisfiable core [2025-01-23 19:12:10,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:12:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11888 backedges. 9403 proven. 2323 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:12:32,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:12:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11888 backedges. 9743 proven. 1983 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:12:59,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839205863] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:12:59,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:12:59,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [250, 157, 157] total 562 [2025-01-23 19:12:59,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504513997] [2025-01-23 19:12:59,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:12:59,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 563 states [2025-01-23 19:12:59,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:12:59,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 563 interpolants. [2025-01-23 19:12:59,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54012, Invalid=262394, Unknown=0, NotChecked=0, Total=316406 [2025-01-23 19:12:59,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:12:59,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:12:59,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 563 states, 563 states have (on average 4.2948490230905865) internal successors, (2418), 562 states have internal predecessors, (2418), 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) [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-01-23 19:12:59,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-01-23 19:13:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-01-23 19:13:07,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-23 19:13:07,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-23 19:13:07,593 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:13:07,593 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:13:07,593 INFO L139 ounterexampleChecker]: Examining path program with hash -629623741, occurence #2 [2025-01-23 19:13:07,594 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:13:07,594 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 19:13:07,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-23 19:13:07,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-23 19:13:07,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-23 19:13:07,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 680 [2025-01-23 19:13:07,594 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:07,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 802 [2025-01-23 19:13:07,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:13:07,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:13:09,664 WARN L331 ript$VariableManager]: TermVariable v_~x~0.offset_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:09,664 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:09,665 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:09,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:13:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1595773214, now seen corresponding path program 1 times [2025-01-23 19:13:09,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:13:09,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241471925] [2025-01-23 19:13:09,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:09,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:09,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 803 statements into 1 equivalence classes. [2025-01-23 19:13:17,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 803 of 803 statements. [2025-01-23 19:13:17,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:17,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:13:17,923 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:13:17,923 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:13:17,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 811 [2025-01-23 19:13:17,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 818 [2025-01-23 19:13:17,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 823 [2025-01-23 19:13:17,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 827 [2025-01-23 19:13:17,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-01-23 19:13:17,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 835 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 839 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 843 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 847 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 851 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 855 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 857 [2025-01-23 19:13:17,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:17,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 859 [2025-01-23 19:13:17,924 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:17,924 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:13:17,924 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:13:17,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:13:17,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2109899243, now seen corresponding path program 16 times [2025-01-23 19:13:17,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:13:17,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456164975] [2025-01-23 19:13:17,927 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:13:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:18,005 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 865 statements into 2 equivalence classes. [2025-01-23 19:13:18,114 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 397 of 865 statements. [2025-01-23 19:13:18,114 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:13:18,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14306 backedges. 942 proven. 917 refuted. 0 times theorem prover too weak. 12447 trivial. 0 not checked. [2025-01-23 19:13:23,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:13:23,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456164975] [2025-01-23 19:13:23,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456164975] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:13:23,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289508509] [2025-01-23 19:13:23,019 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:13:23,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:13:23,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:13:23,021 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:13:23,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-23 19:13:23,423 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 865 statements into 2 equivalence classes. [2025-01-23 19:13:23,544 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 397 of 865 statements. [2025-01-23 19:13:23,545 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:13:23,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:23,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 187 conjuncts are in the unsatisfiable core [2025-01-23 19:13:23,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:13:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14306 backedges. 162 proven. 9773 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-01-23 19:13:30,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:13:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14306 backedges. 934 proven. 573 refuted. 0 times theorem prover too weak. 12799 trivial. 0 not checked. [2025-01-23 19:13:31,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289508509] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:13:31,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:13:31,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 188, 17] total 203 [2025-01-23 19:13:31,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112741207] [2025-01-23 19:13:31,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:13:31,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2025-01-23 19:13:31,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:13:31,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2025-01-23 19:13:31,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2927, Invalid=38079, Unknown=0, NotChecked=0, Total=41006 [2025-01-23 19:13:31,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:31,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:13:31,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 4.738916256157635) internal successors, (962), 203 states have internal predecessors, (962), 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) [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2025-01-23 19:13:31,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-01-23 19:13:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-01-23 19:13:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-01-23 19:13:53,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-23 19:13:53,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:13:53,255 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:13:53,255 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:13:53,256 INFO L139 ounterexampleChecker]: Examining path program with hash -629623741, occurence #3 [2025-01-23 19:13:53,256 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:13:53,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:13:53,256 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:53,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 19:13:53,256 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:53,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-23 19:13:53,256 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:53,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-23 19:13:53,256 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:53,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-23 19:13:53,256 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:53,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 696 [2025-01-23 19:13:53,257 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:53,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 842 [2025-01-23 19:13:53,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:13:53,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2025-01-23 19:13:57,337 WARN L331 ript$VariableManager]: TermVariable v_~i2~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:57,338 WARN L331 ript$VariableManager]: TermVariable v_~x~0.base_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:57,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:13:57,338 INFO L85 PathProgramCache]: Analyzing trace with hash 268956707, now seen corresponding path program 1 times [2025-01-23 19:13:57,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:13:57,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726821315] [2025-01-23 19:13:57,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:57,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:57,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 843 statements into 1 equivalence classes. [2025-01-23 19:13:57,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 843 of 843 statements. [2025-01-23 19:13:57,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:57,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:14:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14908 backedges. 10537 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:14:21,714 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:14:21,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726821315] [2025-01-23 19:14:21,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726821315] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:14:21,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1519942836] [2025-01-23 19:14:21,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:14:21,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:14:21,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 843 statements into 1 equivalence classes. [2025-01-23 19:14:22,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 843 of 843 statements. [2025-01-23 19:14:22,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:14:22,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:14:22,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 3734 conjuncts, 194 conjuncts are in the unsatisfiable core [2025-01-23 19:14:22,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:14:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14908 backedges. 10156 proven. 4752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:14:48,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1519942836] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:14:48,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:14:48,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191] total 381 [2025-01-23 19:14:48,823 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 851 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 858 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 863 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 867 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 871 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 875 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 879 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 883 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 887 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 891 [2025-01-23 19:14:48,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 895 [2025-01-23 19:14:48,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 897 [2025-01-23 19:14:48,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:48,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 899 [2025-01-23 19:14:48,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:14:48,825 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:14:48,825 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:14:48,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:14:48,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1931724337, now seen corresponding path program 17 times [2025-01-23 19:14:48,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:14:48,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999913939] [2025-01-23 19:14:48,826 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:14:48,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:14:48,885 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 905 statements into 48 equivalence classes. [2025-01-23 19:14:55,642 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) and asserted 905 of 905 statements. [2025-01-23 19:14:55,642 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2025-01-23 19:14:55,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:15:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 15106 backedges. 10573 proven. 4371 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-23 19:15:20,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:15:20,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999913939] [2025-01-23 19:15:20,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999913939] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:15:20,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520961221] [2025-01-23 19:15:20,637 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:15:20,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:15:20,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:15:20,639 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:15:20,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-23 19:15:21,109 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 905 statements into 48 equivalence classes. Killed by 15