./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 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/popl20-more-buffer-series.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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 22:22:13,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 22:22:13,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 22:22:13,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 22:22:13,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 22:22:13,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 22:22:13,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 22:22:13,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 22:22:13,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 22:22:13,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 22:22:13,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 22:22:13,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 22:22:13,965 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 22:22:13,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 22:22:13,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 22:22:13,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 22:22:13,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 22:22:13,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 22:22:13,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 22:22:13,967 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 22:22:13,968 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 22:22:13,968 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 -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 22:22:14,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 22:22:14,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 22:22:14,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 22:22:14,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 22:22:14,174 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 22:22:14,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-12-17 22:22:15,226 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/845904ee8/00ea1684d5bd45ada2088b018c81d35d/FLAG997d9c2ca [2024-12-17 22:22:15,471 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 22:22:15,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-12-17 22:22:15,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/845904ee8/00ea1684d5bd45ada2088b018c81d35d/FLAG997d9c2ca [2024-12-17 22:22:15,793 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/845904ee8/00ea1684d5bd45ada2088b018c81d35d [2024-12-17 22:22:15,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 22:22:15,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 22:22:15,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 22:22:15,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 22:22:15,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 22:22:15,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:15,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421363e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15, skipping insertion in model container [2024-12-17 22:22:15,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:15,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 22:22:15,945 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/popl20-more-buffer-series.wvr.c[4403,4416] [2024-12-17 22:22:15,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 22:22:15,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 22:22:15,982 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/popl20-more-buffer-series.wvr.c[4403,4416] [2024-12-17 22:22:15,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 22:22:15,994 INFO L204 MainTranslator]: Completed translation [2024-12-17 22:22:15,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15 WrapperNode [2024-12-17 22:22:15,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 22:22:15,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 22:22:15,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 22:22:15,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 22:22:16,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,036 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 319 [2024-12-17 22:22:16,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 22:22:16,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 22:22:16,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 22:22:16,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 22:22:16,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 22:22:16,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 22:22:16,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 22:22:16,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 22:22:16,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (1/1) ... [2024-12-17 22:22:16,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 22:22:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:16,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 22:22:16,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 22:22:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 22:22:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 22:22:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 22:22:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 22:22:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 22:22:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 22:22:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 22:22:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 22:22:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 22:22:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 22:22:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 22:22:16,113 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 22:22:16,201 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 22:22:16,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 22:22:16,529 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 22:22:16,529 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 22:22:16,793 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 22:22:16,794 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 22:22:16,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:22:16 BoogieIcfgContainer [2024-12-17 22:22:16,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 22:22:16,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 22:22:16,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 22:22:16,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 22:22:16,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:22:15" (1/3) ... [2024-12-17 22:22:16,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d4b6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:22:16, skipping insertion in model container [2024-12-17 22:22:16,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:22:15" (2/3) ... [2024-12-17 22:22:16,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d4b6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:22:16, skipping insertion in model container [2024-12-17 22:22:16,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:22:16" (3/3) ... [2024-12-17 22:22:16,800 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-12-17 22:22:16,810 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 22:22:16,812 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-12-17 22:22:16,813 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 22:22:16,862 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 22:22:16,898 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 22:22:16,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 22:22:16,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:16,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 22:22:16,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 22:22:16,963 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 22:22:16,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 22:22:16,980 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;@2d084fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 22:22:16,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 22:22:18,063 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)] === [2024-12-17 22:22:18,064 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:18,064 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #1 [2024-12-17 22:22:18,064 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:18,064 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:18,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:18,067 INFO L85 PathProgramCache]: Analyzing trace with hash -133311991, now seen corresponding path program 1 times [2024-12-17 22:22:18,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:18,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358965828] [2024-12-17 22:22:18,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:18,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 22:22:19,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:19,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358965828] [2024-12-17 22:22:19,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358965828] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:19,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:22:19,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 22:22:19,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690350313] [2024-12-17 22:22:19,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:19,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:22:19,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:19,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:22:19,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 22:22:19,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:19,071 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:19,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:19,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:19,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 22:22:19,177 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)] === [2024-12-17 22:22:19,177 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:19,178 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #2 [2024-12-17 22:22:19,178 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:19,178 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:19,178 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:19,179 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 22:22:19,179 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:19,179 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 22:22:19,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 22:22:19,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 22:22:19,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 22:22:19,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-17 22:22:19,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1304631067, now seen corresponding path program 1 times [2024-12-17 22:22:19,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:19,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449189227] [2024-12-17 22:22:19,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:19,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:19,500 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:19,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449189227] [2024-12-17 22:22:19,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449189227] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:19,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:22:19,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 22:22:19,501 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 65. Constructing proof automaton... [2024-12-17 22:22:19,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:19,502 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 22:22:19,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:22:19,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 22:22:19,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:22:19,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 22:22:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:19,505 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:19,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:19,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:19,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:19,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:19,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 22:22:19,600 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)] === [2024-12-17 22:22:19,600 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:19,600 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #3 [2024-12-17 22:22:19,600 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:19,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:19,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:19,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 22:22:19,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 22:22:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 22:22:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:22:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 22:22:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 22:22:19,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:19,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2095538082, now seen corresponding path program 1 times [2024-12-17 22:22:19,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:19,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278595263] [2024-12-17 22:22:19,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:19,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:19,918 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:19,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278595263] [2024-12-17 22:22:19,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278595263] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:19,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [67479803] [2024-12-17 22:22:19,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:19,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:19,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:22:19,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:20,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [67479803] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:20,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:20,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 22:22:20,090 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:20,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 22:22:20,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:20,115 INFO L85 PathProgramCache]: Analyzing trace with hash -90478336, now seen corresponding path program 1 times [2024-12-17 22:22:20,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:20,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122850309] [2024-12-17 22:22:20,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:20,350 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:20,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122850309] [2024-12-17 22:22:20,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122850309] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:20,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1085166590] [2024-12-17 22:22:20,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:20,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:20,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:22:20,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:20,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1085166590] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:20,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:20,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 22:22:20,496 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:20,496 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 22:22:20,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:20,561 INFO L85 PathProgramCache]: Analyzing trace with hash 75813593, now seen corresponding path program 1 times [2024-12-17 22:22:20,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:20,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488807567] [2024-12-17 22:22:20,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:20,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:20,864 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:20,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488807567] [2024-12-17 22:22:20,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488807567] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:20,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1991702911] [2024-12-17 22:22:20,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:20,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:20,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:22:20,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:21,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1991702911] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:21,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:21,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 22:22:21,002 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:21,002 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2024-12-17 22:22:21,002 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-12-17 22:22:21,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 22:22:21,003 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:21,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 22:22:21,003 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:21,003 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:21,003 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:21,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:21,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1811583564, now seen corresponding path program 1 times [2024-12-17 22:22:21,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:21,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262313511] [2024-12-17 22:22:21,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:21,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:21,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:21,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262313511] [2024-12-17 22:22:21,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262313511] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:21,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224809104] [2024-12-17 22:22:21,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:21,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:21,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:21,449 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) [2024-12-17 22:22:21,450 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 [2024-12-17 22:22:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:21,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:22:21,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:21,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:21,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224809104] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:21,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:21,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-17 22:22:21,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294131542] [2024-12-17 22:22:21,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:21,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 22:22:21,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:21,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 22:22:21,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-17 22:22:21,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:21,765 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:21,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:21,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:21,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:21,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:21,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:22,094 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 [2024-12-17 22:22:22,094 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)] === [2024-12-17 22:22:22,094 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:22,094 INFO L139 ounterexampleChecker]: Examining path program with hash -1412317638, occurence #4 [2024-12-17 22:22:22,094 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:22,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:22,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:22,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 22:22:22,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:22,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 22:22:22,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:22,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 22:22:22,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:22,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:22:22,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:22,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 22:22:22,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:22,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-17 22:22:22,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:22,146 INFO L85 PathProgramCache]: Analyzing trace with hash -508385494, now seen corresponding path program 1 times [2024-12-17 22:22:22,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:22,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430193138] [2024-12-17 22:22:22,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:22,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:22,384 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:22,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430193138] [2024-12-17 22:22:22,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430193138] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:22,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1747739208] [2024-12-17 22:22:22,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:22,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 22:22:22,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1747739208] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:22,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:22,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 22:22:22,552 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:22,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-12-17 22:22:22,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:22,594 INFO L85 PathProgramCache]: Analyzing trace with hash 907420710, now seen corresponding path program 1 times [2024-12-17 22:22:22,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:22,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850396534] [2024-12-17 22:22:22,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:22,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:22,812 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:22,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850396534] [2024-12-17 22:22:22,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850396534] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:22,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [311106880] [2024-12-17 22:22:22,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:22,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 22:22:22,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:22,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [311106880] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:22,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:22,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 22:22:22,973 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:22,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 22:22:23,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash -288022273, now seen corresponding path program 1 times [2024-12-17 22:22:23,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:23,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959757767] [2024-12-17 22:22:23,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:23,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:23,355 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:23,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959757767] [2024-12-17 22:22:23,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959757767] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:23,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1657503228] [2024-12-17 22:22:23,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:23,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 22:22:23,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:22:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1657503228] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:23,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 22:22:23,517 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:23,518 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2024-12-17 22:22:23,518 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2024-12-17 22:22:23,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-12-17 22:22:23,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:23,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-12-17 22:22:23,518 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:23,518 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:23,518 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:23,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:23,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1473639567, now seen corresponding path program 2 times [2024-12-17 22:22:23,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:23,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638423551] [2024-12-17 22:22:23,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:22:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:23,567 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 22:22:23,567 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 22:22:24,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638423551] [2024-12-17 22:22:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638423551] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:24,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:22:24,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-17 22:22:24,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970583662] [2024-12-17 22:22:24,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:24,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 22:22:24,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:24,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 22:22:24,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-12-17 22:22:24,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:24,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:24,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.8) internal successors, (117), 14 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:24,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:24,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:24,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-12-17 22:22:24,608 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)] === [2024-12-17 22:22:24,608 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:24,608 INFO L139 ounterexampleChecker]: Examining path program with hash -1212713450, occurence #1 [2024-12-17 22:22:24,608 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:24,608 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:24,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:24,609 INFO L85 PathProgramCache]: Analyzing trace with hash -144421140, now seen corresponding path program 3 times [2024-12-17 22:22:24,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:24,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383658237] [2024-12-17 22:22:24,609 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:22:24,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:24,676 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:22:24,676 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-17 22:22:24,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:24,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383658237] [2024-12-17 22:22:24,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383658237] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:24,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838385042] [2024-12-17 22:22:24,843 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:22:24,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:24,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:24,845 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) [2024-12-17 22:22:24,847 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 [2024-12-17 22:22:24,950 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:22:24,951 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:24,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:22:24,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-17 22:22:25,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-17 22:22:25,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838385042] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:25,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:25,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-12-17 22:22:25,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059731674] [2024-12-17 22:22:25,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:25,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 22:22:25,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:25,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 22:22:25,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-12-17 22:22:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:25,228 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:25,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:25,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:25,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:25,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:25,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:25,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:25,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:25,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-17 22:22:25,574 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)] === [2024-12-17 22:22:25,574 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:25,574 INFO L139 ounterexampleChecker]: Examining path program with hash -1212713450, occurence #2 [2024-12-17 22:22:25,574 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:25,574 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:25,574 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:25,575 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 22:22:25,575 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:25,575 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:22:25,575 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:25,575 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 22:22:25,575 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:25,575 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:22:25,575 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:25,575 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 22:22:25,575 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:25,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 22:22:25,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:25,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-17 22:22:25,576 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:25,576 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:25,576 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:25,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:25,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1804883694, now seen corresponding path program 4 times [2024-12-17 22:22:25,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:25,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750814835] [2024-12-17 22:22:25,577 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:22:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:25,618 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:22:25,618 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 61 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 22:22:25,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750814835] [2024-12-17 22:22:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750814835] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674759577] [2024-12-17 22:22:25,978 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:22:25,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:25,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:25,979 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) [2024-12-17 22:22:25,981 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 [2024-12-17 22:22:26,123 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:22:26,123 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:26,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-17 22:22:26,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-17 22:22:26,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 22:22:26,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674759577] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:26,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 22:22:26,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2024-12-17 22:22:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895908045] [2024-12-17 22:22:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:26,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:22:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:26,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:22:26,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-17 22:22:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:26,197 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:26,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:26,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:26,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:26,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:26,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:26,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:26,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:27,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:27,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-17 22:22:27,422 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)] === [2024-12-17 22:22:27,422 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:27,422 INFO L139 ounterexampleChecker]: Examining path program with hash -701262434, occurence #1 [2024-12-17 22:22:27,422 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:27,422 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:27,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:27,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1814916803, now seen corresponding path program 5 times [2024-12-17 22:22:27,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:27,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522181978] [2024-12-17 22:22:27,424 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:22:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:27,482 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-17 22:22:27,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-17 22:22:27,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522181978] [2024-12-17 22:22:27,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522181978] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821522682] [2024-12-17 22:22:27,765 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:22:27,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:27,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:27,767 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) [2024-12-17 22:22:27,768 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 [2024-12-17 22:22:27,886 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-17 22:22:27,886 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:27,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 22:22:27,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 22:22:28,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 22:22:28,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821522682] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:28,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:28,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 27 [2024-12-17 22:22:28,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105318745] [2024-12-17 22:22:28,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:28,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-17 22:22:28,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:28,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-17 22:22:28,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-12-17 22:22:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:28,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:28,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.678571428571429) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:29,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:29,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:29,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:29,376 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)] === [2024-12-17 22:22:29,376 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:29,376 INFO L139 ounterexampleChecker]: Examining path program with hash -539357895, occurence #1 [2024-12-17 22:22:29,377 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:29,377 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:29,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:29,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1454874645, now seen corresponding path program 6 times [2024-12-17 22:22:29,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:29,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255108919] [2024-12-17 22:22:29,377 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:22:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:29,432 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 22:22:29,432 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-17 22:22:29,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:29,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255108919] [2024-12-17 22:22:29,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255108919] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:29,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081215146] [2024-12-17 22:22:29,627 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:22:29,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:29,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:29,629 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) [2024-12-17 22:22:29,629 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 [2024-12-17 22:22:29,737 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 22:22:29,737 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:29,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:22:29,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-17 22:22:29,811 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 22:22:29,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081215146] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:29,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 22:22:29,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-12-17 22:22:29,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489726] [2024-12-17 22:22:29,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:29,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 22:22:29,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:29,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:22:29,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-12-17 22:22:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:29,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:29,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:29,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:30,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:30,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:30,241 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)] === [2024-12-17 22:22:30,241 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:30,241 INFO L139 ounterexampleChecker]: Examining path program with hash -539357895, occurence #2 [2024-12-17 22:22:30,241 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:30,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:30,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 22:22:30,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 22:22:30,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:22:30,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 22:22:30,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 22:22:30,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 22:22:30,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:30,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 22:22:30,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:30,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1723542920, now seen corresponding path program 1 times [2024-12-17 22:22:30,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:30,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921741898] [2024-12-17 22:22:30,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:30,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-17 22:22:30,345 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921741898] [2024-12-17 22:22:30,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921741898] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:30,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:22:30,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 22:22:30,346 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 61. Constructing proof automaton... [2024-12-17 22:22:30,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:30,346 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 22:22:30,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 22:22:30,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 22:22:30,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:22:30,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 22:22:30,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:30,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:30,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:30,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:30,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-17 22:22:30,594 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)] === [2024-12-17 22:22:30,594 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:30,594 INFO L139 ounterexampleChecker]: Examining path program with hash 1339580505, occurence #1 [2024-12-17 22:22:30,594 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:30,594 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:30,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash -462895678, now seen corresponding path program 1 times [2024-12-17 22:22:30,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:30,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897363676] [2024-12-17 22:22:30,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:30,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 22:22:30,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:30,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897363676] [2024-12-17 22:22:30,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897363676] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:30,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012711518] [2024-12-17 22:22:30,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:30,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:30,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:30,838 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) [2024-12-17 22:22:30,839 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 [2024-12-17 22:22:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:30,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 22:22:30,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 22:22:31,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 22:22:31,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012711518] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:31,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:31,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2024-12-17 22:22:31,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607121288] [2024-12-17 22:22:31,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:31,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-17 22:22:31,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:31,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-17 22:22:31,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2024-12-17 22:22:31,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:31,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:31,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.935483870967742) internal successors, (153), 30 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:31,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:31,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:31,788 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)] === [2024-12-17 22:22:31,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:31,788 INFO L139 ounterexampleChecker]: Examining path program with hash 1339580505, occurence #2 [2024-12-17 22:22:31,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:31,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:31,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:31,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 22:22:31,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 22:22:31,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:22:31,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 22:22:31,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 22:22:31,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 22:22:31,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-17 22:22:31,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-17 22:22:31,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 22:22:31,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:31,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-17 22:22:31,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:31,789 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:31,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:31,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:31,789 INFO L85 PathProgramCache]: Analyzing trace with hash 740371871, now seen corresponding path program 2 times [2024-12-17 22:22:31,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:31,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098401964] [2024-12-17 22:22:31,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:22:31,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:31,805 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 22:22:31,805 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 22:22:31,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:31,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098401964] [2024-12-17 22:22:31,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098401964] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:31,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:22:31,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 22:22:31,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365271534] [2024-12-17 22:22:31,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:31,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 22:22:31,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:31,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 22:22:31,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 22:22:31,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:31,915 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:31,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:31,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:32,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-17 22:22:32,191 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)] === [2024-12-17 22:22:32,191 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:32,191 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #1 [2024-12-17 22:22:32,191 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:32,191 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:32,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:32,192 INFO L85 PathProgramCache]: Analyzing trace with hash -521136554, now seen corresponding path program 3 times [2024-12-17 22:22:32,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:32,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095611024] [2024-12-17 22:22:32,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:22:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:32,214 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:22:32,214 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-17 22:22:32,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:32,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095611024] [2024-12-17 22:22:32,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095611024] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:32,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734674246] [2024-12-17 22:22:32,394 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:22:32,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:32,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:32,396 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) [2024-12-17 22:22:32,398 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 [2024-12-17 22:22:32,501 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:22:32,501 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:32,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:32,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-17 22:22:32,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-17 22:22:32,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734674246] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:32,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:32,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-12-17 22:22:32,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73163937] [2024-12-17 22:22:32,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:32,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 22:22:32,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:32,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 22:22:32,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-12-17 22:22:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:32,758 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:32,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.090909090909091) internal successors, (156), 21 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:32,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:33,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 22:22:33,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:33,209 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)] === [2024-12-17 22:22:33,209 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:33,209 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #2 [2024-12-17 22:22:33,209 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:33,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 22:22:33,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:22:33,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 22:22:33,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 22:22:33,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 22:22:33,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:33,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 22:22:33,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:33,243 INFO L85 PathProgramCache]: Analyzing trace with hash 870735917, now seen corresponding path program 1 times [2024-12-17 22:22:33,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:33,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658946923] [2024-12-17 22:22:33,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:33,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 22:22:33,439 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:33,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658946923] [2024-12-17 22:22:33,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658946923] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:33,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1536279446] [2024-12-17 22:22:33,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:33,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:33,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:33,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 22:22:33,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1536279446] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:33,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:33,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-12-17 22:22:33,601 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:33,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 22:22:33,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:33,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-12-17 22:22:33,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:33,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-17 22:22:33,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:33,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 22:22:33,602 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:33,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 22:22:33,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:33,603 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:33,603 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:33,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:33,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1133120810, now seen corresponding path program 4 times [2024-12-17 22:22:33,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:33,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540280456] [2024-12-17 22:22:33,603 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:22:33,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:33,626 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:22:33,626 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 22:22:33,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:33,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540280456] [2024-12-17 22:22:33,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540280456] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:33,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365301261] [2024-12-17 22:22:33,884 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:22:33,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:33,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:33,886 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) [2024-12-17 22:22:33,886 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 [2024-12-17 22:22:33,994 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:22:33,995 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:33,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 22:22:33,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-17 22:22:34,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-17 22:22:34,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365301261] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:34,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:34,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 38 [2024-12-17 22:22:34,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231437785] [2024-12-17 22:22:34,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:34,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-12-17 22:22:34,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:34,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-12-17 22:22:34,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1149, Unknown=0, NotChecked=0, Total=1482 [2024-12-17 22:22:34,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:34,554 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:34,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.17948717948718) internal successors, (202), 38 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:34,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 22:22:34,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:34,913 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)] === [2024-12-17 22:22:34,913 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:34,913 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #3 [2024-12-17 22:22:34,913 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:34,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:22:34,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:22:34,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 22:22:34,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 22:22:34,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 22:22:34,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:34,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-17 22:22:34,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:34,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1565065360, now seen corresponding path program 1 times [2024-12-17 22:22:34,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:34,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008001401] [2024-12-17 22:22:34,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:34,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:22:35,148 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:35,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008001401] [2024-12-17 22:22:35,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008001401] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:35,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1845370538] [2024-12-17 22:22:35,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:35,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:35,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:22:35,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1845370538] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:35,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:35,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-12-17 22:22:35,310 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:35,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 22:22:35,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:35,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-17 22:22:35,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:35,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 22:22:35,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:35,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 22:22:35,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:35,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-12-17 22:22:35,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:35,310 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:35,310 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:35,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1632311690, now seen corresponding path program 5 times [2024-12-17 22:22:35,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:35,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191364423] [2024-12-17 22:22:35,311 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:22:35,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:35,344 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 22:22:35,344 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-17 22:22:35,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:35,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191364423] [2024-12-17 22:22:35,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191364423] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:35,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939378421] [2024-12-17 22:22:35,565 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:22:35,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:35,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:35,569 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) [2024-12-17 22:22:35,570 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 [2024-12-17 22:22:35,974 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 22:22:35,975 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:35,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 22:22:35,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:22:36,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:22:36,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939378421] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:36,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:36,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 14] total 32 [2024-12-17 22:22:36,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983275256] [2024-12-17 22:22:36,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:36,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-17 22:22:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:36,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-17 22:22:36,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2024-12-17 22:22:36,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:36,379 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:36,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.787878787878788) internal successors, (191), 32 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:36,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:36,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 22:22:36,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-12-17 22:22:36,836 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)] === [2024-12-17 22:22:36,836 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:36,836 INFO L139 ounterexampleChecker]: Examining path program with hash -1428535196, occurence #4 [2024-12-17 22:22:36,836 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:36,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:36,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:36,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:22:36,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:36,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 22:22:36,836 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:36,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 22:22:36,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:36,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 22:22:36,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:36,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 22:22:36,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:36,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 22:22:36,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:36,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1747818395, now seen corresponding path program 1 times [2024-12-17 22:22:36,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:36,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445829113] [2024-12-17 22:22:36,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:36,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:22:37,073 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:37,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445829113] [2024-12-17 22:22:37,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445829113] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:37,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1688360029] [2024-12-17 22:22:37,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:37,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:22:37,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:22:37,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1688360029] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:37,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:37,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2024-12-17 22:22:37,386 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:37,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-17 22:22:37,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:37,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 22:22:37,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:37,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 22:22:37,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:37,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-12-17 22:22:37,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:37,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 22:22:37,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:37,387 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:37,387 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:37,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:37,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2123788150, now seen corresponding path program 6 times [2024-12-17 22:22:37,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:37,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121323737] [2024-12-17 22:22:37,388 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:22:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:37,455 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 22:22:37,456 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-17 22:22:37,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:37,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121323737] [2024-12-17 22:22:37,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121323737] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:37,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631984500] [2024-12-17 22:22:37,772 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:22:37,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:37,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:37,774 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) [2024-12-17 22:22:37,775 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 [2024-12-17 22:22:37,895 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 22:22:37,895 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:37,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 22:22:37,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-17 22:22:38,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-17 22:22:38,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631984500] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:38,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:38,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 26 [2024-12-17 22:22:38,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773584340] [2024-12-17 22:22:38,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:38,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-17 22:22:38,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:38,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-17 22:22:38,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-12-17 22:22:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:38,304 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:38,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.148148148148148) internal successors, (166), 26 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:39,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-17 22:22:40,089 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,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2024-12-17 22:22:40,090 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)] === [2024-12-17 22:22:40,090 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:40,090 INFO L139 ounterexampleChecker]: Examining path program with hash 556151292, occurence #1 [2024-12-17 22:22:40,090 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:40,090 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:40,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:40,090 INFO L85 PathProgramCache]: Analyzing trace with hash -940073031, now seen corresponding path program 7 times [2024-12-17 22:22:40,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:40,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370537136] [2024-12-17 22:22:40,090 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:22:40,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 99 proven. 138 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2024-12-17 22:22:40,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:40,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370537136] [2024-12-17 22:22:40,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370537136] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:40,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708450679] [2024-12-17 22:22:40,608 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:22:40,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:40,610 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) [2024-12-17 22:22:40,611 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 [2024-12-17 22:22:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:40,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 22:22:40,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 312 proven. 3 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-12-17 22:22:40,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 286 proven. 29 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-12-17 22:22:41,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708450679] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:41,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:41,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-12-17 22:22:41,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616383396] [2024-12-17 22:22:41,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:41,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 22:22:41,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:41,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 22:22:41,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-12-17 22:22:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:41,086 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:41,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.277777777777779) internal successors, (149), 18 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:41,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:41,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:41,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:41,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:41,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-17 22:22:41,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:41,418 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)] === [2024-12-17 22:22:41,418 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:41,418 INFO L139 ounterexampleChecker]: Examining path program with hash 556151292, occurence #2 [2024-12-17 22:22:41,418 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:41,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:41,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:41,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:22:41,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:41,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 22:22:41,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:41,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 22:22:41,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:41,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 22:22:41,419 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:41,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 22:22:41,419 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:41,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2024-12-17 22:22:41,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:41,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1827905164, now seen corresponding path program 1 times [2024-12-17 22:22:41,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:41,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062004913] [2024-12-17 22:22:41,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-17 22:22:41,978 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:41,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062004913] [2024-12-17 22:22:41,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062004913] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:41,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [270783655] [2024-12-17 22:22:41,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:41,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:42,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:42,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-17 22:22:42,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [270783655] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:42,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:42,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-17 22:22:42,360 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:42,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-12-17 22:22:42,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:42,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-12-17 22:22:42,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:42,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1660595102, now seen corresponding path program 1 times [2024-12-17 22:22:42,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:42,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505340441] [2024-12-17 22:22:42,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-12-17 22:22:42,956 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:42,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505340441] [2024-12-17 22:22:42,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505340441] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:42,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [979604767] [2024-12-17 22:22:42,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:43,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:43,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-12-17 22:22:43,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [979604767] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:43,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:43,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-17 22:22:43,379 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:43,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-12-17 22:22:43,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash 337328404, now seen corresponding path program 1 times [2024-12-17 22:22:43,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:43,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198493547] [2024-12-17 22:22:43,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:43,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-12-17 22:22:43,968 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:43,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198493547] [2024-12-17 22:22:43,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198493547] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:43,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [113139444] [2024-12-17 22:22:43,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:43,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:44,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:44,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-12-17 22:22:44,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [113139444] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:44,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:44,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-17 22:22:44,491 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:44,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2024-12-17 22:22:44,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:44,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2049717417, now seen corresponding path program 1 times [2024-12-17 22:22:44,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:44,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24820890] [2024-12-17 22:22:44,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-12-17 22:22:45,182 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:45,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24820890] [2024-12-17 22:22:45,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24820890] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:45,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [908484447] [2024-12-17 22:22:45,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:45,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:45,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 22:22:45,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 352 proven. 6 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-12-17 22:22:45,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [908484447] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:45,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:45,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-17 22:22:45,514 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:45,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-12-17 22:22:45,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:45,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-17 22:22:45,514 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:45,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-12-17 22:22:45,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:45,514 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:45,514 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:45,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:45,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1843142713, now seen corresponding path program 8 times [2024-12-17 22:22:45,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:45,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298198778] [2024-12-17 22:22:45,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:22:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:45,622 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:22:45,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 111 proven. 247 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-12-17 22:22:46,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:46,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298198778] [2024-12-17 22:22:46,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298198778] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:46,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707793690] [2024-12-17 22:22:46,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:22:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:46,112 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) [2024-12-17 22:22:46,114 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 [2024-12-17 22:22:46,363 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:22:46,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:46,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 22:22:46,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 347 proven. 33 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-12-17 22:22:46,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 366 proven. 14 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-12-17 22:22:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707793690] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:47,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:47,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 29 [2024-12-17 22:22:47,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640304558] [2024-12-17 22:22:47,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:47,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 22:22:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:47,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 22:22:47,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-12-17 22:22:47,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:47,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:47,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.344827586206897) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:47,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:47,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-17 22:22:47,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-12-17 22:22:47,599 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)] === [2024-12-17 22:22:47,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:47,600 INFO L139 ounterexampleChecker]: Examining path program with hash 556151292, occurence #3 [2024-12-17 22:22:47,600 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:47,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:22:47,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 22:22:47,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 22:22:47,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 22:22:47,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 22:22:47,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-12-17 22:22:47,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:47,638 INFO L85 PathProgramCache]: Analyzing trace with hash -726556896, now seen corresponding path program 1 times [2024-12-17 22:22:47,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:47,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786560919] [2024-12-17 22:22:47,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:47,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-17 22:22:48,212 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:48,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786560919] [2024-12-17 22:22:48,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786560919] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:48,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1351467208] [2024-12-17 22:22:48,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:48,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 22:22:48,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-17 22:22:48,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1351467208] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:48,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:48,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 22:22:48,589 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:48,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2024-12-17 22:22:48,590 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:48,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-12-17 22:22:48,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:48,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1027314638, now seen corresponding path program 1 times [2024-12-17 22:22:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:48,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648545080] [2024-12-17 22:22:48,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2024-12-17 22:22:49,173 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:49,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648545080] [2024-12-17 22:22:49,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648545080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:49,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1788709027] [2024-12-17 22:22:49,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:49,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:49,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 22:22:49,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2024-12-17 22:22:49,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1788709027] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:49,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:49,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 22:22:49,599 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:49,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-12-17 22:22:49,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:49,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1495938904, now seen corresponding path program 1 times [2024-12-17 22:22:49,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:49,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095967624] [2024-12-17 22:22:49,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:49,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-12-17 22:22:50,349 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:50,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095967624] [2024-12-17 22:22:50,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095967624] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:50,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [238852855] [2024-12-17 22:22:50,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:50,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:50,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 22:22:50,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-12-17 22:22:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [238852855] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:50,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:50,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 22:22:50,773 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:50,773 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-17 22:22:50,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1216406589, now seen corresponding path program 1 times [2024-12-17 22:22:50,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:50,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128640943] [2024-12-17 22:22:50,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:50,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 122 proven. 284 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-12-17 22:22:51,370 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128640943] [2024-12-17 22:22:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128640943] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1259732707] [2024-12-17 22:22:51,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:51,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:51,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 22:22:51,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 396 proven. 10 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-12-17 22:22:51,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1259732707] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:51,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:51,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 22:22:51,746 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:51,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-12-17 22:22:51,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:51,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-17 22:22:51,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:51,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2024-12-17 22:22:51,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:51,747 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:51,747 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:51,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2071482439, now seen corresponding path program 9 times [2024-12-17 22:22:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:51,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552421080] [2024-12-17 22:22:51,747 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:22:51,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:51,784 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:22:51,785 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2024-12-17 22:22:51,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:51,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552421080] [2024-12-17 22:22:51,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552421080] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:22:51,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:22:51,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 22:22:51,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262588511] [2024-12-17 22:22:51,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:22:51,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 22:22:51,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:51,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 22:22:51,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 22:22:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:51,980 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:51,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:51,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:52,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-12-17 22:22:52,188 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)] === [2024-12-17 22:22:52,188 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:52,188 INFO L139 ounterexampleChecker]: Examining path program with hash -260178307, occurence #1 [2024-12-17 22:22:52,188 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:52,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:52,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:52,189 INFO L85 PathProgramCache]: Analyzing trace with hash -32479940, now seen corresponding path program 10 times [2024-12-17 22:22:52,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:52,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278990533] [2024-12-17 22:22:52,189 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:22:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:52,282 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:22:52,282 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 730 proven. 130 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-17 22:22:53,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278990533] [2024-12-17 22:22:53,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278990533] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311908975] [2024-12-17 22:22:53,456 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:22:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:53,459 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) [2024-12-17 22:22:53,461 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 [2024-12-17 22:22:53,741 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:22:53,741 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:53,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:22:53,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 368 proven. 37 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-17 22:22:54,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 395 proven. 10 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-17 22:22:54,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311908975] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:54,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:54,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 13, 13] total 50 [2024-12-17 22:22:54,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595038957] [2024-12-17 22:22:54,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:54,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-12-17 22:22:54,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:54,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-12-17 22:22:54,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=2089, Unknown=0, NotChecked=0, Total=2450 [2024-12-17 22:22:54,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:54,514 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:54,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 8.54) internal successors, (427), 50 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:54,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:22:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:55,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-17 22:22:55,265 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,SelfDestructingSolverStorable52 [2024-12-17 22:22:55,266 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:22:55,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:55,266 INFO L139 ounterexampleChecker]: Examining path program with hash -260178307, occurence #2 [2024-12-17 22:22:55,266 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:55,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 22:22:55,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 22:22:55,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 22:22:55,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 22:22:55,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 22:22:55,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:55,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-12-17 22:22:55,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:55,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1399316739, now seen corresponding path program 1 times [2024-12-17 22:22:55,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:55,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141590952] [2024-12-17 22:22:55,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-17 22:22:55,906 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:55,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141590952] [2024-12-17 22:22:55,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141590952] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:55,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1940174686] [2024-12-17 22:22:55,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:55,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:22:55,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-17 22:22:56,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1940174686] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:56,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:56,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:22:56,314 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:56,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-12-17 22:22:56,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:56,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2024-12-17 22:22:56,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:56,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1792142187, now seen corresponding path program 1 times [2024-12-17 22:22:56,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:56,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731809452] [2024-12-17 22:22:56,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:56,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-12-17 22:22:56,941 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:56,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731809452] [2024-12-17 22:22:56,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731809452] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:56,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [455565572] [2024-12-17 22:22:56,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:56,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:57,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:22:57,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-12-17 22:22:57,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [455565572] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:57,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:57,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:22:57,401 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:57,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-17 22:22:57,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash 243913317, now seen corresponding path program 1 times [2024-12-17 22:22:57,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:57,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622710230] [2024-12-17 22:22:57,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-17 22:22:58,081 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622710230] [2024-12-17 22:22:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622710230] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:58,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [934965173] [2024-12-17 22:22:58,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:58,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:22:58,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-17 22:22:58,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [934965173] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:58,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:58,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:22:58,541 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:58,541 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 282 [2024-12-17 22:22:58,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:58,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1822885190, now seen corresponding path program 1 times [2024-12-17 22:22:58,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:58,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719721943] [2024-12-17 22:22:58,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:58,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-12-17 22:22:59,200 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:59,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719721943] [2024-12-17 22:22:59,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719721943] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:59,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [215666078] [2024-12-17 22:22:59,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:59,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:22:59,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-12-17 22:22:59,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [215666078] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:59,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:59,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:22:59,723 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:59,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-12-17 22:22:59,723 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:59,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2024-12-17 22:22:59,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:59,724 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:59,724 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:59,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:59,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1499065177, now seen corresponding path program 11 times [2024-12-17 22:22:59,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:59,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647365762] [2024-12-17 22:22:59,724 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:22:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:00,373 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-12-17 22:23:00,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 734 proven. 133 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-17 22:23:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647365762] [2024-12-17 22:23:01,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647365762] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574511098] [2024-12-17 22:23:01,438 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:23:01,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:23:01,440 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) [2024-12-17 22:23:01,441 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 [2024-12-17 22:23:27,164 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-12-17 22:23:27,165 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:27,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-17 22:23:27,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 795 proven. 36 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-17 22:23:27,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:23:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 445 proven. 386 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-17 22:23:28,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574511098] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:23:28,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:23:28,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 72 [2024-12-17 22:23:28,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299835024] [2024-12-17 22:23:28,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:23:28,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-12-17 22:23:28,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:23:28,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-12-17 22:23:28,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1013, Invalid=4243, Unknown=0, NotChecked=0, Total=5256 [2024-12-17 22:23:28,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:28,631 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:23:28,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.73972602739726) internal successors, (638), 72 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:28,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:28,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-17 22:23:29,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-12-17 22:23:29,139 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:23:29,139 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:23:29,140 INFO L139 ounterexampleChecker]: Examining path program with hash -260178307, occurence #3 [2024-12-17 22:23:29,140 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:23:29,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:23:29,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 22:23:29,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 22:23:29,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 22:23:29,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 22:23:29,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:29,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-12-17 22:23:29,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:29,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1874660369, now seen corresponding path program 1 times [2024-12-17 22:23:29,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:29,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574680549] [2024-12-17 22:23:29,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:29,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-12-17 22:23:29,785 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574680549] [2024-12-17 22:23:29,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574680549] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [668028409] [2024-12-17 22:23:29,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:29,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:23:29,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-12-17 22:23:30,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [668028409] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:30,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:30,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:23:30,259 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:30,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-12-17 22:23:30,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:30,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2024-12-17 22:23:30,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash -159074431, now seen corresponding path program 1 times [2024-12-17 22:23:30,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:30,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924124731] [2024-12-17 22:23:30,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-12-17 22:23:30,894 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:30,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924124731] [2024-12-17 22:23:30,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924124731] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:30,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1370911382] [2024-12-17 22:23:30,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:30,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:30,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:23:30,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-12-17 22:23:31,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1370911382] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:31,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:31,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:23:31,329 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:31,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-12-17 22:23:31,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:31,362 INFO L85 PathProgramCache]: Analyzing trace with hash 38140817, now seen corresponding path program 1 times [2024-12-17 22:23:31,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:31,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478704106] [2024-12-17 22:23:31,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:31,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-12-17 22:23:32,020 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:32,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478704106] [2024-12-17 22:23:32,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478704106] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:32,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1301510909] [2024-12-17 22:23:32,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:32,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:32,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:23:32,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-12-17 22:23:32,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1301510909] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:32,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:32,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:23:32,462 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:32,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-17 22:23:32,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:32,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2001773594, now seen corresponding path program 1 times [2024-12-17 22:23:32,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:32,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984756039] [2024-12-17 22:23:32,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:32,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 148 proven. 351 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-17 22:23:33,120 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:33,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984756039] [2024-12-17 22:23:33,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984756039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:33,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [817821621] [2024-12-17 22:23:33,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:33,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:33,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:23:33,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 484 proven. 15 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-17 22:23:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [817821621] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:33,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:33,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:23:33,573 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:33,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2024-12-17 22:23:33,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:33,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2024-12-17 22:23:33,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:33,573 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:23:33,574 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:23:33,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:33,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1602315385, now seen corresponding path program 12 times [2024-12-17 22:23:33,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:23:33,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041877887] [2024-12-17 22:23:33,574 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:23:33,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:33,937 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:23:33,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 134 proven. 10 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2024-12-17 22:23:34,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:34,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041877887] [2024-12-17 22:23:34,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041877887] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:34,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900572860] [2024-12-17 22:23:34,408 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:23:34,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:34,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:23:34,410 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) [2024-12-17 22:23:34,411 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 [2024-12-17 22:23:34,698 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:23:34,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:34,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:23:34,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 134 proven. 11 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2024-12-17 22:23:34,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:23:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 134 proven. 11 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2024-12-17 22:23:35,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900572860] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:23:35,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:23:35,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 13] total 27 [2024-12-17 22:23:35,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656507874] [2024-12-17 22:23:35,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:23:35,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-17 22:23:35,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:23:35,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-17 22:23:35,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-12-17 22:23:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:35,159 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:23:35,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:35,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:38,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-17 22:23:39,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-12-17 22:23:39,086 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:23:39,086 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:23:39,087 INFO L139 ounterexampleChecker]: Examining path program with hash 1114275017, occurence #1 [2024-12-17 22:23:39,087 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:23:39,087 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:23:39,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:39,087 INFO L85 PathProgramCache]: Analyzing trace with hash 687738493, now seen corresponding path program 13 times [2024-12-17 22:23:39,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:23:39,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040892056] [2024-12-17 22:23:39,087 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:23:39,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 21 proven. 260 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-12-17 22:23:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040892056] [2024-12-17 22:23:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040892056] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812757718] [2024-12-17 22:23:39,914 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:23:39,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:23:39,915 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:23:39,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-17 22:23:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:40,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:23:40,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 535 proven. 15 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2024-12-17 22:23:40,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:23:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 494 proven. 56 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2024-12-17 22:23:40,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812757718] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:23:40,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:23:40,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2024-12-17 22:23:40,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023483600] [2024-12-17 22:23:40,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:23:40,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-17 22:23:40,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:23:40,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-17 22:23:40,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2024-12-17 22:23:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:40,764 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:23:40,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.444444444444445) internal successors, (268), 36 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:40,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:40,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:23:40,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-17 22:23:41,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:41,189 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:23:41,189 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:23:41,189 INFO L139 ounterexampleChecker]: Examining path program with hash 1114275017, occurence #2 [2024-12-17 22:23:41,189 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:23:41,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:23:41,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:41,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:23:41,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:41,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 22:23:41,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:41,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 22:23:41,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:41,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 22:23:41,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:41,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 22:23:41,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:41,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-12-17 22:23:41,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash 895582039, now seen corresponding path program 1 times [2024-12-17 22:23:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:41,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824982117] [2024-12-17 22:23:41,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 48 proven. 363 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-17 22:23:41,883 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:41,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824982117] [2024-12-17 22:23:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824982117] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:41,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1822590606] [2024-12-17 22:23:41,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:41,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 22:23:41,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 390 proven. 21 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-17 22:23:42,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1822590606] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:42,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:42,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 22:23:42,314 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:42,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 276 [2024-12-17 22:23:42,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:42,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1105421323, now seen corresponding path program 1 times [2024-12-17 22:23:42,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:42,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843191081] [2024-12-17 22:23:42,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:42,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 42 proven. 368 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-12-17 22:23:43,060 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:43,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843191081] [2024-12-17 22:23:43,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843191081] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:43,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1888991558] [2024-12-17 22:23:43,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:43,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:43,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 22:23:43,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 389 proven. 21 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-12-17 22:23:43,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1888991558] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:43,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:43,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 22:23:43,536 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:43,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 324 [2024-12-17 22:23:43,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash 234533696, now seen corresponding path program 1 times [2024-12-17 22:23:43,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:43,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107574601] [2024-12-17 22:23:43,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:43,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2024-12-17 22:23:44,427 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:44,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107574601] [2024-12-17 22:23:44,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107574601] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:44,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [992029619] [2024-12-17 22:23:44,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:44,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:23:44,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 298 proven. 24 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2024-12-17 22:23:44,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [992029619] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:44,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:44,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 22:23:44,938 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:44,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2024-12-17 22:23:44,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:44,971 INFO L85 PathProgramCache]: Analyzing trace with hash -411881500, now seen corresponding path program 1 times [2024-12-17 22:23:44,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:44,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180275691] [2024-12-17 22:23:44,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-17 22:23:45,874 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:45,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180275691] [2024-12-17 22:23:45,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180275691] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:45,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [625160527] [2024-12-17 22:23:45,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:45,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:23:45,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 298 proven. 24 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-17 22:23:46,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [625160527] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:46,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:46,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 22:23:46,380 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:46,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2024-12-17 22:23:46,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:46,394 INFO L85 PathProgramCache]: Analyzing trace with hash -681808455, now seen corresponding path program 1 times [2024-12-17 22:23:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:46,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531415675] [2024-12-17 22:23:46,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:46,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-17 22:23:47,425 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531415675] [2024-12-17 22:23:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531415675] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2132931820] [2024-12-17 22:23:47,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:47,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:23:47,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 298 proven. 24 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-17 22:23:48,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2132931820] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:48,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:48,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 22:23:48,065 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:48,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-12-17 22:23:48,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:48,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 340 [2024-12-17 22:23:48,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:48,065 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:23:48,065 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:23:48,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash 620308643, now seen corresponding path program 14 times [2024-12-17 22:23:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:23:48,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796731292] [2024-12-17 22:23:48,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:23:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:48,224 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:23:48,224 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 21 proven. 301 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-12-17 22:23:49,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:49,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796731292] [2024-12-17 22:23:49,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796731292] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:49,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090677695] [2024-12-17 22:23:49,056 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:23:49,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:23:49,057 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:23:49,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-17 22:23:49,469 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:23:49,469 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:49,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 22:23:49,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 589 proven. 70 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-12-17 22:23:49,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:23:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 593 proven. 66 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-12-17 22:23:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090677695] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:23:50,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:23:50,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 47 [2024-12-17 22:23:50,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289782088] [2024-12-17 22:23:50,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:23:50,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-12-17 22:23:50,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:23:50,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-12-17 22:23:50,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=524, Invalid=1638, Unknown=0, NotChecked=0, Total=2162 [2024-12-17 22:23:50,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:50,373 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:23:50,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 7.574468085106383) internal successors, (356), 47 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:23:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:50,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:23:50,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:23:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:23:50,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-17 22:23:51,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-12-17 22:23:51,082 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:23:51,082 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:23:51,082 INFO L139 ounterexampleChecker]: Examining path program with hash 1114275017, occurence #3 [2024-12-17 22:23:51,082 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:23:51,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:23:51,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:51,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:23:51,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:51,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 22:23:51,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:51,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 22:23:51,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:51,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 22:23:51,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:51,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-17 22:23:51,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:51,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-12-17 22:23:51,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:51,134 INFO L85 PathProgramCache]: Analyzing trace with hash 166288282, now seen corresponding path program 1 times [2024-12-17 22:23:51,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:51,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309970697] [2024-12-17 22:23:51,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:51,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 63 proven. 375 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-12-17 22:23:51,852 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:51,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309970697] [2024-12-17 22:23:51,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309970697] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:51,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1928139399] [2024-12-17 22:23:51,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:51,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:51,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 22:23:51,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 410 proven. 28 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-12-17 22:23:52,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1928139399] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:52,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:52,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-12-17 22:23:52,371 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:52,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-12-17 22:23:52,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:52,434 INFO L85 PathProgramCache]: Analyzing trace with hash -758993330, now seen corresponding path program 1 times [2024-12-17 22:23:52,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:52,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734122576] [2024-12-17 22:23:52,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:52,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 75 proven. 431 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-17 22:23:53,200 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:53,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734122576] [2024-12-17 22:23:53,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734122576] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:53,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1282300992] [2024-12-17 22:23:53,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:53,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 22:23:53,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 478 proven. 28 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-17 22:23:53,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1282300992] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:53,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:53,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-12-17 22:23:53,762 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:53,762 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-12-17 22:23:53,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2043337091, now seen corresponding path program 1 times [2024-12-17 22:23:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383744421] [2024-12-17 22:23:53,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 24 proven. 436 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2024-12-17 22:23:54,678 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:54,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383744421] [2024-12-17 22:23:54,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383744421] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:54,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1231932225] [2024-12-17 22:23:54,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:54,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:54,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-17 22:23:54,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 408 proven. 52 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2024-12-17 22:23:55,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1231932225] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:55,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:55,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-12-17 22:23:55,239 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:55,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-12-17 22:23:55,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:55,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1990390171, now seen corresponding path program 1 times [2024-12-17 22:23:55,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:55,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95349966] [2024-12-17 22:23:55,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:55,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 24 proven. 436 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-12-17 22:23:56,245 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95349966] [2024-12-17 22:23:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95349966] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [378082826] [2024-12-17 22:23:56,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:56,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:56,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-17 22:23:56,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 408 proven. 52 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-12-17 22:23:56,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [378082826] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:56,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:56,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-12-17 22:23:56,810 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:56,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-12-17 22:23:56,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1503801584, now seen corresponding path program 1 times [2024-12-17 22:23:56,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:56,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807473566] [2024-12-17 22:23:56,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:56,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 24 proven. 436 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-12-17 22:23:57,812 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807473566] [2024-12-17 22:23:57,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807473566] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1814149409] [2024-12-17 22:23:57,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:57,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 1469 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-17 22:23:57,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 408 proven. 52 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-12-17 22:23:58,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1814149409] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:58,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:58,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-12-17 22:23:58,365 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:58,365 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2024-12-17 22:23:58,365 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:58,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2024-12-17 22:23:58,366 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:58,366 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:23:58,366 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:23:58,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:58,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1470016707, now seen corresponding path program 15 times [2024-12-17 22:23:58,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:23:58,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807050483] [2024-12-17 22:23:58,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:23:58,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:58,406 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:23:58,406 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2024-12-17 22:23:58,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:58,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807050483] [2024-12-17 22:23:58,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807050483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:23:58,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:23:58,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 22:23:58,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939936473] [2024-12-17 22:23:58,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:23:58,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 22:23:58,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:23:58,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:23:58,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-17 22:23:58,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:58,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:23:58,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:23:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:23:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:23:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:59,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2024-12-17 22:23:59,124 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:23:59,124 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:23:59,124 INFO L139 ounterexampleChecker]: Examining path program with hash 1422518764, occurence #1 [2024-12-17 22:23:59,124 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:23:59,124 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:23:59,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:59,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2088457815, now seen corresponding path program 16 times [2024-12-17 22:23:59,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:23:59,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023630254] [2024-12-17 22:23:59,124 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:23:59,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:59,296 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:23:59,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:24:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 774 proven. 236 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2024-12-17 22:24:00,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:24:00,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023630254] [2024-12-17 22:24:00,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023630254] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:00,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464480849] [2024-12-17 22:24:00,774 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:24:00,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:24:00,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:24:00,776 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:24:00,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-17 22:24:01,243 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:24:01,243 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:24:01,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 1851 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 22:24:01,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:24:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 665 proven. 90 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-12-17 22:24:01,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:24:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 668 proven. 87 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-12-17 22:24:02,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464480849] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:24:02,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:24:02,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 19] total 62 [2024-12-17 22:24:02,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99048252] [2024-12-17 22:24:02,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:24:02,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-17 22:24:02,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:24:02,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-17 22:24:02,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=2945, Unknown=0, NotChecked=0, Total=3782 [2024-12-17 22:24:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:24:02,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:24:02,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 8.387096774193548) internal successors, (520), 62 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:24:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:24:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:24:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:24:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:24:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:24:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:24:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:24:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:24:03,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-12-17 22:24:03,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2024-12-17 22:24:03,204 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:24:03,204 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:24:03,205 INFO L139 ounterexampleChecker]: Examining path program with hash 1422518764, occurence #2 [2024-12-17 22:24:03,205 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:24:03,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:24:03,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 22:24:03,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 22:24:03,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 22:24:03,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 22:24:03,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:24:03,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-12-17 22:24:03,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:24:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash -966982537, now seen corresponding path program 1 times [2024-12-17 22:24:03,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:24:03,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944826863] [2024-12-17 22:24:03,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:03,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 110 proven. 423 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-12-17 22:24:04,012 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:24:04,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944826863] [2024-12-17 22:24:04,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944826863] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:04,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1455575336] [2024-12-17 22:24:04,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:04,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 22:24:04,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:24:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 497 proven. 36 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-12-17 22:24:04,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1455575336] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:04,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:24:04,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:24:04,632 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:24:04,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-12-17 22:24:04,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:24:04,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1573693739, now seen corresponding path program 1 times [2024-12-17 22:24:04,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:24:04,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762155031] [2024-12-17 22:24:04,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:04,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 90 proven. 444 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-12-17 22:24:05,650 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:24:05,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762155031] [2024-12-17 22:24:05,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762155031] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:05,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2052551255] [2024-12-17 22:24:05,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:05,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 22:24:05,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:24:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 498 proven. 36 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-12-17 22:24:06,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2052551255] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:06,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:24:06,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:24:06,247 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:24:06,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-12-17 22:24:06,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:24:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1724149056, now seen corresponding path program 1 times [2024-12-17 22:24:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:24:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711185535] [2024-12-17 22:24:06,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-12-17 22:24:07,259 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:24:07,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711185535] [2024-12-17 22:24:07,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711185535] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:07,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2102865471] [2024-12-17 22:24:07,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:07,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:24:07,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:24:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-12-17 22:24:07,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2102865471] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:07,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:24:07,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:24:07,916 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:24:07,916 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 328 is hopeless, skipping. [2024-12-17 22:24:07,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2024-12-17 22:24:07,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:07,916 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 332 is hopeless, skipping. [2024-12-17 22:24:07,916 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 345 is hopeless, skipping. [2024-12-17 22:24:07,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 346 [2024-12-17 22:24:07,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:07,916 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 349 is hopeless, skipping. [2024-12-17 22:24:07,916 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 362 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 363 [2024-12-17 22:24:07,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 366 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 379 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 380 [2024-12-17 22:24:07,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 383 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 396 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2024-12-17 22:24:07,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 400 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 413 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 414 [2024-12-17 22:24:07,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:07,917 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 417 is hopeless, skipping. [2024-12-17 22:24:07,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2024-12-17 22:24:07,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:24:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1260744932, now seen corresponding path program 1 times [2024-12-17 22:24:07,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:24:07,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342368820] [2024-12-17 22:24:07,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-17 22:24:09,278 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:24:09,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342368820] [2024-12-17 22:24:09,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342368820] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1700739866] [2024-12-17 22:24:09,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:09,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:09,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:24:09,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:24:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-17 22:24:09,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1700739866] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:09,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:24:09,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:24:09,960 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:24:09,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 424 [2024-12-17 22:24:09,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:24:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash 394331833, now seen corresponding path program 1 times [2024-12-17 22:24:09,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:24:09,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995925080] [2024-12-17 22:24:09,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:09,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2024-12-17 22:24:11,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:24:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995925080] [2024-12-17 22:24:11,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995925080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [624110971] [2024-12-17 22:24:11,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:24:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:24:11,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:24:11,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:24:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2024-12-17 22:24:12,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [624110971] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:12,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:24:12,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:24:12,252 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:24:12,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2024-12-17 22:24:12,252 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:24:12,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2024-12-17 22:24:12,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:24:12,252 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:24:12,252 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:24:12,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:24:12,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1630501187, now seen corresponding path program 17 times [2024-12-17 22:24:12,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:24:12,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314934159] [2024-12-17 22:24:12,253 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:24:12,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:24:13,479 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-12-17 22:24:13,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:24:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1401 proven. 358 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-17 22:24:16,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:24:16,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314934159] [2024-12-17 22:24:16,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314934159] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:24:16,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090598203] [2024-12-17 22:24:16,343 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:24:16,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:24:16,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:24:16,345 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:24:16,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-17 22:31:18,273 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-12-17 22:31:18,273 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:31:18,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-17 22:31:18,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 462 proven. 301 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-12-17 22:31:19,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:31:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 208 proven. 555 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-12-17 22:31:20,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090598203] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:31:20,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:31:20,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 31, 31] total 107 [2024-12-17 22:31:20,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281889620] [2024-12-17 22:31:20,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:31:20,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-12-17 22:31:20,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:31:20,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-12-17 22:31:20,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2026, Invalid=9530, Unknown=0, NotChecked=0, Total=11556 [2024-12-17 22:31:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:20,310 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:31:20,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.333333333333333) internal successors, (576), 107 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:20,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:20,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-17 22:31:21,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable104,SelfDestructingSolverStorable99,SelfDestructingSolverStorable105,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2024-12-17 22:31:21,038 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:31:21,038 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:31:21,038 INFO L139 ounterexampleChecker]: Examining path program with hash 1422518764, occurence #3 [2024-12-17 22:31:21,038 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:31:21,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:31:21,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:21,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:31:21,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:21,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 22:31:21,038 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:21,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 22:31:21,038 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:21,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 22:31:21,038 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:21,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 22:31:21,039 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:21,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2024-12-17 22:31:21,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:21,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1774984393, now seen corresponding path program 1 times [2024-12-17 22:31:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:21,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950348765] [2024-12-17 22:31:21,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:21,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 110 proven. 423 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-17 22:31:21,875 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:21,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950348765] [2024-12-17 22:31:21,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950348765] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:21,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1476186200] [2024-12-17 22:31:21,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:21,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:21,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 22:31:21,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 497 proven. 36 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-17 22:31:22,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1476186200] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:22,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:22,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:31:22,432 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:22,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2024-12-17 22:31:22,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:22,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2078807939, now seen corresponding path program 1 times [2024-12-17 22:31:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:22,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077369902] [2024-12-17 22:31:22,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 90 proven. 444 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-12-17 22:31:23,305 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077369902] [2024-12-17 22:31:23,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077369902] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [548018299] [2024-12-17 22:31:23,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:23,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:23,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 22:31:23,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 498 proven. 36 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-12-17 22:31:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [548018299] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:23,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:23,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:31:23,874 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:23,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-12-17 22:31:23,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:23,887 INFO L85 PathProgramCache]: Analyzing trace with hash -486887060, now seen corresponding path program 1 times [2024-12-17 22:31:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:23,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153225541] [2024-12-17 22:31:23,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-17 22:31:24,881 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:24,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153225541] [2024-12-17 22:31:24,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153225541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:24,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1562729293] [2024-12-17 22:31:24,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:24,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:31:24,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-17 22:31:25,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1562729293] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:25,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:25,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:31:25,469 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 329 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-12-17 22:31:25,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 333 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 346 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 347 [2024-12-17 22:31:25,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 350 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 363 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-12-17 22:31:25,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 367 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 380 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2024-12-17 22:31:25,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 384 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 397 is hopeless, skipping. [2024-12-17 22:31:25,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-12-17 22:31:25,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:25,470 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 401 is hopeless, skipping. [2024-12-17 22:31:25,470 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 414 is hopeless, skipping. [2024-12-17 22:31:25,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 415 [2024-12-17 22:31:25,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:25,470 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 418 is hopeless, skipping. [2024-12-17 22:31:25,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2024-12-17 22:31:25,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:25,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1106287158, now seen corresponding path program 1 times [2024-12-17 22:31:25,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:25,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099299662] [2024-12-17 22:31:25,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:25,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2024-12-17 22:31:26,843 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:26,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099299662] [2024-12-17 22:31:26,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099299662] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:26,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1803699701] [2024-12-17 22:31:26,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:27,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:31:27,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2024-12-17 22:31:27,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1803699701] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:27,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:27,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:31:27,485 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:27,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-12-17 22:31:27,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:27,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2010715317, now seen corresponding path program 1 times [2024-12-17 22:31:27,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:27,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590589674] [2024-12-17 22:31:27,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 102 proven. 496 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2024-12-17 22:31:28,849 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:28,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590589674] [2024-12-17 22:31:28,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590589674] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:28,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1333127723] [2024-12-17 22:31:28,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:28,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:29,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:31:29,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 528 proven. 70 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2024-12-17 22:31:29,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1333127723] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:29,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:29,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:31:29,487 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:29,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 430 [2024-12-17 22:31:29,487 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:29,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 434 [2024-12-17 22:31:29,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:29,487 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:31:29,487 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:31:29,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -405809658, now seen corresponding path program 18 times [2024-12-17 22:31:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:31:29,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650498220] [2024-12-17 22:31:29,487 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:31:29,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:29,597 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:31:29,598 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:31:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2024-12-17 22:31:29,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:31:29,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650498220] [2024-12-17 22:31:29,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650498220] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:31:29,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:31:29,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 22:31:29,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797387414] [2024-12-17 22:31:29,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:31:29,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 22:31:29,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:31:29,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 22:31:29,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 22:31:29,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:29,853 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:31:29,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:29,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:31,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:31,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:31,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable115,SelfDestructingSolverStorable116,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable111,SelfDestructingSolverStorable112,SelfDestructingSolverStorable113,SelfDestructingSolverStorable114 [2024-12-17 22:31:31,899 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:31:31,899 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:31:31,899 INFO L139 ounterexampleChecker]: Examining path program with hash 1302617126, occurence #1 [2024-12-17 22:31:31,899 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:31:31,899 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:31:31,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:31,900 INFO L85 PathProgramCache]: Analyzing trace with hash -203513585, now seen corresponding path program 19 times [2024-12-17 22:31:31,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:31:31,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063777835] [2024-12-17 22:31:31,900 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:31:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 65 proven. 542 refuted. 0 times theorem prover too weak. 2305 trivial. 0 not checked. [2024-12-17 22:31:34,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:31:34,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063777835] [2024-12-17 22:31:34,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063777835] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:34,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295757933] [2024-12-17 22:31:34,190 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:31:34,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:31:34,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:31:34,192 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:31:34,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-17 22:31:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:34,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:31:34,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 1202 proven. 36 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-12-17 22:31:35,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:31:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 1123 proven. 115 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2024-12-17 22:31:35,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295757933] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:31:35,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:31:35,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 54 [2024-12-17 22:31:35,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728763538] [2024-12-17 22:31:35,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:31:35,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-12-17 22:31:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:31:35,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-12-17 22:31:35,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2298, Unknown=0, NotChecked=0, Total=2862 [2024-12-17 22:31:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:35,770 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:31:35,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.111111111111111) internal successors, (384), 54 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:35,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:36,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-17 22:31:36,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2024-12-17 22:31:36,380 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:31:36,380 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:31:36,380 INFO L139 ounterexampleChecker]: Examining path program with hash 1302617126, occurence #2 [2024-12-17 22:31:36,381 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:31:36,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:31:36,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 22:31:36,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 22:31:36,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 22:31:36,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 22:31:36,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:36,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-12-17 22:31:36,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:36,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1702739463, now seen corresponding path program 1 times [2024-12-17 22:31:36,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:36,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213941667] [2024-12-17 22:31:36,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:36,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 150 proven. 711 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-12-17 22:31:37,554 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:37,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213941667] [2024-12-17 22:31:37,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213941667] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:37,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [412535840] [2024-12-17 22:31:37,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:37,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:37,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 22:31:37,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 795 proven. 66 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2024-12-17 22:31:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [412535840] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:38,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:38,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-12-17 22:31:38,275 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:38,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2024-12-17 22:31:38,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:38,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1880963540, now seen corresponding path program 1 times [2024-12-17 22:31:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051412454] [2024-12-17 22:31:38,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 120 proven. 757 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-12-17 22:31:39,478 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:39,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051412454] [2024-12-17 22:31:39,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051412454] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:39,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1034670241] [2024-12-17 22:31:39,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:39,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:39,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 22:31:39,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 798 proven. 79 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-12-17 22:31:40,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1034670241] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:40,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:40,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-12-17 22:31:40,180 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:40,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2024-12-17 22:31:40,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1860578404, now seen corresponding path program 1 times [2024-12-17 22:31:40,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432120804] [2024-12-17 22:31:40,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 1758 trivial. 0 not checked. [2024-12-17 22:31:40,749 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432120804] [2024-12-17 22:31:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432120804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:31:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:31:40,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 22:31:40,749 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 422. Constructing proof automaton... [2024-12-17 22:31:40,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:31:40,750 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 22:31:40,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 22:31:40,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 22:31:40,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:31:40,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-17 22:31:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:40,750 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:31:40,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:41,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,SelfDestructingSolverStorable121,SelfDestructingSolverStorable119,SelfDestructingSolverStorable118,SelfDestructingSolverStorable122 [2024-12-17 22:31:41,809 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:31:41,809 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:31:41,809 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #1 [2024-12-17 22:31:41,809 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:31:41,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:31:41,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash -284017590, now seen corresponding path program 20 times [2024-12-17 22:31:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:31:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33434055] [2024-12-17 22:31:41,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:31:41,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:42,177 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:31:42,177 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:31:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3874 backedges. 483 proven. 1346 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2024-12-17 22:31:44,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:31:44,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33434055] [2024-12-17 22:31:44,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33434055] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:44,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742776967] [2024-12-17 22:31:44,232 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:31:44,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:31:44,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:31:44,233 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:31:44,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-17 22:31:44,859 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:31:44,859 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:31:44,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-17 22:31:44,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3874 backedges. 1619 proven. 113 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2024-12-17 22:31:45,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:31:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3874 backedges. 1682 proven. 50 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2024-12-17 22:31:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742776967] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:31:46,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:31:46,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 65 [2024-12-17 22:31:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390377668] [2024-12-17 22:31:46,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:31:46,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-12-17 22:31:46,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:31:46,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-12-17 22:31:46,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=3200, Unknown=0, NotChecked=0, Total=4160 [2024-12-17 22:31:46,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:46,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:31:46,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.492307692307692) internal successors, (487), 65 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:46,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:31:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:31:47,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-17 22:31:47,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2024-12-17 22:31:47,472 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:31:47,472 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:31:47,472 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #2 [2024-12-17 22:31:47,472 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:31:47,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:31:47,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:47,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:31:47,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:47,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 22:31:47,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:47,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 22:31:47,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:47,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-17 22:31:47,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:47,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 22:31:47,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:47,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2024-12-17 22:31:47,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash 386232256, now seen corresponding path program 1 times [2024-12-17 22:31:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:47,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904641869] [2024-12-17 22:31:47,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:47,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 222 proven. 754 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-12-17 22:31:48,687 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:48,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904641869] [2024-12-17 22:31:48,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904641869] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:48,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2139972127] [2024-12-17 22:31:48,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:48,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:48,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-17 22:31:48,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 897 proven. 79 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-12-17 22:31:49,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2139972127] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:49,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:49,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-12-17 22:31:49,423 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:49,423 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 429 is hopeless, skipping. [2024-12-17 22:31:49,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2024-12-17 22:31:49,423 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:49,423 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 447 is hopeless, skipping. [2024-12-17 22:31:49,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2024-12-17 22:31:49,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash -888768885, now seen corresponding path program 1 times [2024-12-17 22:31:49,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:31:49,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526623596] [2024-12-17 22:31:49,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3350 backedges. 1527 proven. 903 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-12-17 22:31:51,533 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:31:51,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526623596] [2024-12-17 22:31:51,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526623596] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:51,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1568019912] [2024-12-17 22:31:51,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:31:51,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:31:51,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-17 22:31:51,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:31:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3350 backedges. 2300 proven. 130 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-12-17 22:31:52,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1568019912] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:52,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:31:52,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-12-17 22:31:52,497 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:31:52,497 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 625 is hopeless, skipping. [2024-12-17 22:31:52,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 713 [2024-12-17 22:31:52,498 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:31:52,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 714 [2024-12-17 22:31:52,498 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:31:52,498 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:31:52,498 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:31:52,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:31:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1433572918, now seen corresponding path program 21 times [2024-12-17 22:31:52,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:31:52,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008625050] [2024-12-17 22:31:52,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:31:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:31:53,179 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 22:31:53,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:31:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 284 proven. 1342 refuted. 0 times theorem prover too weak. 2258 trivial. 0 not checked. [2024-12-17 22:31:54,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:31:54,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008625050] [2024-12-17 22:31:54,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008625050] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:31:54,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264785707] [2024-12-17 22:31:54,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:31:54,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:31:54,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:31:54,606 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:31:54,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-17 22:32:30,924 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 22:32:30,924 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:32:30,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-17 22:32:30,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:32:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 296 proven. 55 refuted. 0 times theorem prover too weak. 3533 trivial. 0 not checked. [2024-12-17 22:32:31,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:32:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 110 proven. 241 refuted. 0 times theorem prover too weak. 3533 trivial. 0 not checked. [2024-12-17 22:32:32,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264785707] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:32:32,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:32:32,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 25] total 80 [2024-12-17 22:32:32,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203183635] [2024-12-17 22:32:32,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:32:32,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-12-17 22:32:32,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:32:32,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-12-17 22:32:32,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=5198, Unknown=0, NotChecked=0, Total=6320 [2024-12-17 22:32:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:32:32,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:32:32,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.475) internal successors, (518), 80 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:32:32,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:32:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:32:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:32:33,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-17 22:32:33,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,SelfDestructingSolverStorable127,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128,SelfDestructingSolverStorable124,SelfDestructingSolverStorable125 [2024-12-17 22:32:33,886 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:32:33,886 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:32:33,887 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #3 [2024-12-17 22:32:33,887 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:32:33,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:32:33,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 22:32:33,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 22:32:33,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 22:32:33,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 22:32:33,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:32:33,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-12-17 22:32:33,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:32:33,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1823096890, now seen corresponding path program 1 times [2024-12-17 22:32:33,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:32:33,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908852338] [2024-12-17 22:32:33,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:32:33,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:32:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:32:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 345 proven. 780 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-17 22:32:35,230 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:32:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908852338] [2024-12-17 22:32:35,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908852338] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:32:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [524881370] [2024-12-17 22:32:35,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:32:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:32:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:32:35,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:32:35,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:32:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 1019 proven. 106 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-17 22:32:36,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [524881370] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:32:36,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:32:36,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:32:36,107 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:32:36,107 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 431 is hopeless, skipping. [2024-12-17 22:32:36,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2024-12-17 22:32:36,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:32:36,107 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 449 is hopeless, skipping. [2024-12-17 22:32:36,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-12-17 22:32:36,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:32:36,134 INFO L85 PathProgramCache]: Analyzing trace with hash 903358097, now seen corresponding path program 1 times [2024-12-17 22:32:36,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:32:36,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827520598] [2024-12-17 22:32:36,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:32:36,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:32:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:32:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3373 backedges. 1691 proven. 958 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-12-17 22:32:38,295 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:32:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827520598] [2024-12-17 22:32:38,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827520598] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:32:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [672548443] [2024-12-17 22:32:38,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:32:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:32:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:32:38,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:32:38,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:32:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3373 backedges. 2468 proven. 181 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-12-17 22:32:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [672548443] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:32:39,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:32:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:32:39,351 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:32:39,351 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 627 is hopeless, skipping. [2024-12-17 22:32:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 715 [2024-12-17 22:32:39,351 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:32:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 716 [2024-12-17 22:32:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:32:39,351 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:32:39,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:32:39,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:32:39,352 INFO L85 PathProgramCache]: Analyzing trace with hash 668842442, now seen corresponding path program 22 times [2024-12-17 22:32:39,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:32:39,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652687980] [2024-12-17 22:32:39,352 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:32:39,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:32:39,725 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:32:39,725 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:32:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 1901 proven. 1978 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 22:32:57,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:32:57,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652687980] [2024-12-17 22:32:57,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652687980] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:32:57,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033693082] [2024-12-17 22:32:57,041 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:32:57,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:32:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:32:57,043 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:32:57,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-17 22:32:57,751 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:32:57,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:32:57,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:32:57,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:32:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 2195 proven. 78 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2024-12-17 22:32:59,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:33:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 2040 proven. 233 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2024-12-17 22:33:01,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033693082] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:33:01,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:33:01,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 28, 28] total 201 [2024-12-17 22:33:01,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951334560] [2024-12-17 22:33:01,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:33:01,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2024-12-17 22:33:01,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:33:01,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2024-12-17 22:33:01,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3715, Invalid=36485, Unknown=0, NotChecked=0, Total=40200 [2024-12-17 22:33:01,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:33:01,538 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:33:01,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 5.45771144278607) internal successors, (1097), 201 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:33:01,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:33:01,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:33:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 22:33:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:33:02,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-17 22:33:02,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable131,SelfDestructingSolverStorable132,SelfDestructingSolverStorable129,SelfDestructingSolverStorable133 [2024-12-17 22:33:02,644 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:33:02,644 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:33:02,644 INFO L139 ounterexampleChecker]: Examining path program with hash -977186854, occurence #4 [2024-12-17 22:33:02,645 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:33:02,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 22:33:02,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 22:33:02,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-17 22:33:02,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 22:33:02,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 22:33:02,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:33:02,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 335 [2024-12-17 22:33:02,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:33:02,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1172454543, now seen corresponding path program 1 times [2024-12-17 22:33:02,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:33:02,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735143208] [2024-12-17 22:33:02,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:33:02,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:33:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:33:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 449 proven. 762 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-12-17 22:33:04,151 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:33:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735143208] [2024-12-17 22:33:04,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735143208] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:33:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1108472881] [2024-12-17 22:33:04,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:33:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:33:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:33:04,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-17 22:33:04,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:33:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 1089 proven. 122 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-12-17 22:33:05,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1108472881] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:33:05,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:33:05,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2024-12-17 22:33:05,087 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:33:05,087 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 433 is hopeless, skipping. [2024-12-17 22:33:05,087 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2024-12-17 22:33:05,087 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:33:05,087 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 451 is hopeless, skipping. [2024-12-17 22:33:05,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2024-12-17 22:33:05,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:33:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2005553996, now seen corresponding path program 1 times [2024-12-17 22:33:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:33:05,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364513620] [2024-12-17 22:33:05,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:33:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:33:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:33:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 1729 proven. 968 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2024-12-17 22:33:07,469 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:33:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364513620] [2024-12-17 22:33:07,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364513620] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:33:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1493113996] [2024-12-17 22:33:07,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:33:07,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:33:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:33:07,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-17 22:33:07,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:33:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 2499 proven. 198 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2024-12-17 22:33:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1493113996] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:33:08,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:33:08,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2024-12-17 22:33:08,612 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:33:08,612 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 629 is hopeless, skipping. [2024-12-17 22:33:08,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2024-12-17 22:33:08,612 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:33:08,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 718 [2024-12-17 22:33:08,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:33:08,613 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:33:08,613 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:33:08,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:33:08,613 INFO L85 PathProgramCache]: Analyzing trace with hash -411261299, now seen corresponding path program 23 times [2024-12-17 22:33:08,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:33:08,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365329826] [2024-12-17 22:33:08,613 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:33:08,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:33:13,847 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-17 22:33:13,848 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:33:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3936 backedges. 3376 proven. 355 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-12-17 22:33:19,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:33:19,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365329826] [2024-12-17 22:33:19,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365329826] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:33:19,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224471588] [2024-12-17 22:33:19,557 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:33:19,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:33:19,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:33:19,559 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:33:19,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process Killed by 15